Answer:
Explanation:
Here, we want to give a reason for why one of the reactions might not occur
Generally, a metal that is above another in the electrochemical series will displace it from its salt
Now, Aluminum is higher than copper, thus, it would displace it (from CuCl2, a reaction will occur). However, Aluminum is lower than magnesium. Thus, it will not displace it from its salt (MgCl2 and no reaction will occur)
Iodine-131 (I-131) is used in the treatment of thyroid cancer. It undergoes beta decay and has a half-life of 8 days.
If we start with 115 grams of I-131, how much will we have after 40 hours?
Iodine-131 (I-131) is used in the treatment of thyroid cancer it undergoes beta decay and has a half-life of 8 days if we start with 115 grams of I-131 then we have after 40 hours is 0.058g
Iodine-131 is the radioactive isotope of iodine with the atomic mass 131 and it is used for the treatment of thyroid cancer
Here given data is
half-life = 8 days
15 grams of I-131
We have to calculate after 40 hours = ?
So, m = M/2ⁿ
Then m = 15 grams/2⁸
m = 15 grams/256
m = 0.058g
Therefore If we start with 115 grams of I-131 then 0.058g will we have after 40 hours
Know more about Iodine-131
https://brainly.com/question/14470440
#SPJ1
What is the difference between pcr and sanger sequencing with regard to the materials needed to perform these reactions?.
Sanger sequencing requires dideoxynucleotides, although PCR does not.
What is DNA sequencing?
A DNA molecule's exact nucleotide or base sequence can be found using a general laboratory procedure known as DNA sequencing. The bases' order encodes the biological information that cells utilize to grow and function (commonly referred to by the initial letters of their chemical names: A, T, C, and G).
Polymerase chain reaction (abbreviated PCR) is a laboratory technique for rapidly producing (amplifying) millions to billions of copies of a specific segment of DNA, which can then be studied in greater detail. PCR involves using short synthetic DNA fragments called primers to select a segment of the genome to be amplified, and then multiple rounds of DNA synthesis to amplify that segment.Sanger sequencing is a technique for DNA analysis that uses electrophoresis and is based on DNA polymerase's haphazard incorporation of chain-terminating dideoxynucleotides during in vitro DNA replication. It was the most extensively used sequencing technique for over 40 years after Frederick Sanger and colleagues initially developed it in 1977. In 1986, Applied Biosystems launched the first commercialization of it. For large-scale, automated genome analysis, next-generation sequencing techniques have lately displaced greater volume Sanger sequencing. For smaller-scale initiatives and the verification of deep sequencing results, the Sanger method is still widely used.Hence, Sanger sequencing requires dideoxynucleotides, although PCR does not.
To know more about Sanger sequencing from the given link
https://brainly.com/question/26225212
#SPJ4
Atomic Structure Online Practice
Complete this assessment to review what you've learned. It will not count toward your grade.
The element phosphorous (P) has an atomic number of 15 and an atomic mass of 31. How many neutrons are in an atom of
phosphorous (P)? (1 point)
O 15
O 16
O 31
O 46
The correct answer is 16 that is the element Phosphorous has 16 neutrons.
The neutron is known as a subatomic particle that is slightly heavier than a proton and has a neutral charge (one that is neither positive nor negative). Atomic nuclei consist of both protons as well as neutrons.
Protons and neutrons both are referred to as "nucleons" because of how similarly they function inside the nucleus and because they both have masses that are about equal to one atomic mass unit.
Nuclear physics explains their interactions and characteristics. Each proton and neutron is made up of three quarks, hence they are not fundamental particles.
The arrangement of electrons around an atom's heavy nucleus mostlydetermines its chemical characteristics. The atomic number, or we can say number of protons, which determines the charge of the nucleus, determines the electron configuration.
To know more about 'Phosphorus' related questions
visit- https://brainly.com/question/4622631
#SPJ9
Firework Spectacular - Newton’s Law
Use your knowledge of Newton’s Laws to complete the calculations.
Newton’s Law .Use your knowledge of Newton’s Laws to complete the calculations. 1) F = 0.98 N 2) F = 3.9 N 3) F = 6.86 N 4) F = 10.78 N 5) F = 24.5 N 6) F = 49 N 7) F = 80.36 N.
Newton's law : F = ma
where, F = force
m = mass
a = acceleration due to gravity = 9.8 m/s²
1) mass = 0.10 kg ,
F = ma
F = 0.10 kg × 9.8 m/s²
F = 0.98 N
2) mass = 0.40 kg
F = ma
F = 0.40 kg × 9.8 m/s²
F = 3.9 N
3) mass = 0.70 kg
F = ma
F = 0.70 kg × 9.8 m/s²
F = 6.86 N
4) mass = 1.1 kg
F = ma
F = 1.1 kg × 9.8 m/s²
F = 10.78 N
5) mass = 2.5 kg
F = ma
F = 2.5 kg × 9.8 m/s²
F = 24.5 N
6) mass = 5.0 kg
F = ma
F = 5.0 kg × 9.8 m/s²
F = 49 N
7) mass = 8.2 kg
F = ma
F = 8.2 kg × 9.8 m/s²
F = 80.36 N
Thus, Newton’s Law .Use your knowledge of Newton’s Laws to complete the calculations. 1) F = 0.98 N 2) F = 3.9 N 3) F = 6.86 N 4) F = 10.78 N 5) F = 24.5 N 6) F = 49 N 7) F = 80.36 N.
To learn more about Newton's law here
https://brainly.com/question/13447525
#SPJ1
Complete reaction carbon-13 + alpha = oxygen-16 + x0123456789abcdefghij edited question
This is a perfect answer
ω
[tex]\text{y = ax + b}[/tex]A 17. 5 ml portion of a 0. 5010 m na2co3 solution is added to 46. 0 ml of 1. 1250 m nacl. What is the concentration of sodium ion in the final solution?.
The concentration of sodium ions in the final solution is 0.94 M.
Concentration is the abundance of a constituent divided by way of the overall volume of an aggregate. several sorts of mathematical descriptions may be outstanding: mass concentration, molar concentration, variety concentration, and extent awareness.
Calculation:-
C₁ = 0.5010
V₁ = 17.5 ml = 0.0175 L
C₂ = 1.1250
V₂ = 46 ml = 0.046 L
C₁V₁ + C₂V₂ = C × total volume
0.5010 × 0.0175 + 1.1250 × 0.046 = C × 0.0635 L
C = 0.0077 + 0.052 / 0.0635 L
= 0.94 M
The concentration of a substance is the quantity of solute found in a given amount of solution. Concentrations are normally expressed in terms of molarity, defined because of the variety of moles of solute in 1 L of solution.
The Concentration of an answer is a measure of the quantity of solute that has been dissolved in a given amount of solvent or answer. A concentrated answer is one that has a rather huge quantity of dissolved solute.
Learn more about concentration here:-https://brainly.com/question/26255204
#SPJ4
how to predict melting points
The melting point of a substance can be predicted by comparing the relative strength of their intermolecular forces.
What is Melting point?This is referred to as the temperature in which a substance changes state from solid to liquid and an example is the temperature in which ice turns to liquid water. Temperature on the other hand is the degree of hotness or coldness of a substance or body.
Intermolecular forces are the forces which mediates interaction between molecules and studies has shown that the stronger the intermolecular bonds the greater the melting temperature of the substance and vice versa thereby making ways to predict it.
Read more about Melting point here https://brainly.com/question/25074953
#SPJ1
a 20.0 ml solution of naoh is neutralized with 24.2 ml of 0.200 m hbr. what is the concentration of the original naoh solution?
Answer:The concentration of the original NAOH solution is 0.242 M.
Explanation:
We know that for neutralization reaction the no. of mole of H+ ions from the acid must be equal to that of those of OH- ions released from base.
Since both HBR and NAOH are monobasic and monoacidic respectively we can use the formula
No. of milimoles of H+ = No. of milimoles of OH- ( Note – as both the volumes are given in ml so take milimoles)
Or; MV(HBR)=MV(NAOH)
24.2x0.2=20xM(NAOH)
Or; Molarity =0.242M.
Learn more about concentration here https://brainly.com/question/10725862
#SPJ4
What happens when the seafloor spreads?
(A) Old crust moves closer together.
(B) New crust forms near the continental slope.
(C) New crust moves away from the mid-ocean rift.
(D) Basalt cools to form a new crust near the mid-ocean rift.
hurry im on a TEST!!!!
When the seafloor spreads Basalt cools to form a new crust near the mid ocean rift.
Seafloor spreads means the separation of seafloor. Tectonic plate and the large plate of the lithosphere will split apart from the each other. This process occurs at the mid ocean ridges and . seafloor spreading leads to dangerous things like rising sea level and earthquake . the cause for the seafloor spreading is ocean floors ruggedness. hot magma cooled to form igneous rock. this Basalt (the rock ) cools to form a new crust near the mid ocean rift.
Thus, When the seafloor spreads Basalt cools to form a new crust near the mid ocean rift.
To learn more about seafloor spread here
https://brainly.com/question/13732004
#SPJ1
Objective: Quantify titration equivalence points. Apply the concepts of mole and stoichiometry.
Represent solutes and reactions in aqueous solutions.
Question: In our Analysis of Antacid lab, we started with a known concentration and volume of
hydrochloric acid that was partially neutralized by the active ingredient of an antacid tablet according to
the following equation:
2 HCI (aq) + CaCO, (s)→ CaCl₂ (aq) + CO₂ (g) + H₂O (1)
The remaining acid was then titrated with a known concentration of NaOH.
Use this student's lab data to calculate the moles of acid neutralized by the antacid tablet and the
mass of the active ingredient required:
Concentration of HCI
Volume of HCI added
Mass of antacid tablet.
Concentration of NaOH
Volume of NaOH
1.0755 M
25.00 mL
1.503 g
1.0031 M
16.80 mL
Include definitions, explanations, discussion of your problem-solving process.
The number of moles of moles of acid neutralized by the antacid tablet and the mass of the active ingredient required are,0.252055 moles and 25.2 g respectively.
First, we need to calculate the moles of HCI that were added. This is simple to do, we just need to use the formula
moles=MxV
where M is the molarity (concentration) of the acid and V is the volume in liters. Since we have the concentration in molarity and the volume in mL, we need to convert the volume to liters. We can do this by dividing the volume in mL by 1000. This gives us the following equation:
moles=Mx(V/1000)
Plugging in our values, we get
moles=(1.0755)x(25.00/1000)
moles=0.26889
Now that we know the moles of HCI that were added, we can calculate the moles of acid that were neutralized by the antacid tablet. To do this, we need to use the balanced chemical equation for the reaction.
2HCI (aq) + CaCO₃ (s)→ CaCl₂ (aq) + CO₂ (g) + H₂O (l)
We can see from the equation that for every mole of HCI that is neutralized, one mole of CaCO₃ is used up. This means that the number of moles of HCI that were neutralized is equal to the number of moles of CaCO₃ that were used up.
Since we know the number of moles of HCI that were added (from the previous calculation), we can just subtract this from the number of moles of HCI that were left after the reaction (which is equal to the number of moles of NaOH that were used in the titration).
To calculate the number of moles of NaOH that were used, we just need to use the formula
moles=MxV
where M is the molarity (concentration) of the NaOH and V is the volume in liters. Since we have the concentration in molarity and the volume in mL, we need to convert the volume to liters. We can do this by dividing the volume in mL by 1000. This gives us the following equation: moles=Mx(V/1000)
Plugging in our values, we get
moles=(1.0031)x(16.80/1000)
moles=0.0168352
Now that we know the number of moles of HCI that were added and the number of moles of NaOH that were used, we can calculate the number of moles of HCI that were neutralized by the antacid tablet.
We do this by subtracting the number of moles of NaOH from the number of moles of HCI. This gives us the following equation:
moles of HCI neutralized= moles HCI added− moles NaOH used
Plugging in our values, we get
moles HCI neutralized= (0.26889)−(0.0168352)
moles HCI neutralized= 0.252055
This means that the antacid tablet neutralized 0.252055 moles of HCI.
Now that we know the number of moles of HCI that were neutralized, we can calculate the mass of the active ingredient required.
To do this, we need to use the balanced chemical equation for the reaction.
2 HCI (aq) + CaCO₃, (s)→ CaCl₂ (aq) + CO₂ (g) + H₂O (l)
We can see from the equation that for every mole of HCI that is neutralized, one mole of CaCO₂ is used up.
This means that the mass of the active ingredient required is equal to the number of moles of HCI that were neutralized multiplied by the molar mass of CaCO₃.
The molar mass of CaCO₃ is 100.09 g/mol. This gives us the following equation:
mass = moles x molar mass
where mass is the mass of the active ingredient required, moles is the number of moles of HCI that were neutralized, and molar mass is the molar mass of CaCO₃. Plugging in our values, we get
mass=(0.252055)x(100.09)
mass=25.2 g
This means that the active ingredient in the antacid tablet must have a mass of at least 25.2 g in order to completely neutralize the acid.
To know more about neutralization, click below:
https://brainly.com/question/23008798
#SPJ1
Which of the following is the best description of an oxidation process?Question 3 options:A) Oxidation is the non-spontaneous loss of electronsB) Oxidation is the spontaneous loss of electronsC) Oxidation is the gain of electronsD) Oxidation is the loss of electrons
INFORMATION:
We have the next options:
A) Oxidation is the non-spontaneous loss of electrons
B) Oxidation is the spontaneous loss of electrons
C) Oxidation is the gain of electrons
D) Oxidation is the loss of electrons
And we must select the one that best describes an oxidation process
STEP BY STEP EXPLANATION:
Oxidation process consists in the loss of electrons during a reaction.
An older meaning of oxidation was when oxygen was added to a compound. This was because oxygen gas (O2) was the first known oxidizing agent. While the addition of oxygen to a compound typically meets the criteria of electron loss and an increase in the oxidation state, the definition of oxidation was expanded to include other types of chemical reactions.
Finally, knowing that, we can state that, in general, Oxidation is the loss of electrons.
ANSWER:
D) Oxidation is the loss of electrons
(LAB 9: SPECTROSCOPY: ABSORPTION & EMISSION)What is the difference between absorption and emission? Transmission and reflection?
Answer:
• Absorption changes the state of a particle from its original state to a higher state.
• Emission makes a particle go from a high energy state to a lower one.
,• In the Transmission the wave passes from one medium to another.
,• In the Reflection the wave changes direction when it collides with a different medium.
Explanation:
- Difference between absorption and emission:
Absorption and emission are related to electromagnetic radiation. The difference is that the Absorption of electromagnetic radiation changes the state of a particle (for example, an atom), from its original state to a higher state. While the Emission of electromagnetic radiation makes a particle with high energy content go from a high energy state to a lower one, in this case, the particle releases energy in the form of a photon.
- Difference between transmission and reflection:
Transmission and reflection are ways in which a wave moves. The difference is that in the Transmission the wave passes from one medium to another and in the Reflection the wave changes direction when it collides with a different medium.
ionic bond formation by correctly pairing these terms: cation, anion, electron gain, and electron loss.
Answer:
cation - electron loss hence positive charge
anion - electron gain hence negative charge
The given terms are correctly paired thus: anion is to electron gain while cation is to electron loss.
What is ionic bond formation?Ionic bond formation is defined as the formation of an ionic bond during a chemical reaction whereby an atom losses electrons while another gains electrons through transfer of these electrons.
For example in the formation of the compound NaCl. Sodium is the element that donates an electron from its outermost shell to chloride. Therefore, the sodium atom is the cation.
Also the chloride element would accept electron from the sodium, therefore, it is called the anion.
Learn more about ionic bond here:
https://brainly.com/question/28894350
#SPJ1
Based on the model, can hydrogen be used to make oxygen? and how do you know?
Answer:
can hydrogen be used to make oxygen? and how do you know?
Explanation: yes because H1 is water
Answer:
see the answer
Explanation:
Yes hydrogen can be used to make oxygen
because H1 is water
Which elements are gases at STP
What’s the concentration of a sample of wine that contains 15 mL of ethyl alcohol in 200 mL of wine?
The concentration of a sample of wine that contains 15 mL of ethyl alcohol in 200 mL of wine is 7.5 % v/v.
given that :
volume of solute = 15 mL
volume of solution = 200 mL
percent volume (v/v)% = (volume of solute/ volume of solution) × 100 %
percent volume (v/v)% = (15 mL / 200 mL ) × 100 %
percent volume (v/v)% = 0.075 × 100 %
percent volume (v/v)% = 7.5 % v/v.
Thus, The concentration of a sample of wine that contains 15 mL of ethyl alcohol in 200 mL of wine is 7.5 % v/v.
To learn more about concentration here
https://brainly.com/question/13872928
#SPJ1
Electrolysis is performed upon molten MgCl2. platinum electrodes are used. (a) write the cathode and anode half reactions
Electrolysis occur when an electric current is passed through a liquid or solution thereby causing the decomposition of chemicals.
For magnesium chloride, it will be heated to be able to conduct electricity. When molten, the MgCl2 will decomposes into Mg2+ and 2Cl- ions. During electrolysis, the elements are separated according to the equations;
[tex]\begin{gathered} Mg^{2+}+2e^-\rightarrow Mg(s) \\ 2Cl^-\rightarrow Cl_2(g) \end{gathered}[/tex]According to the half reactions, the Mg2+ is reduced at the cathode (-) and the Cl- is oxidized at the anode (+). Reduction at the cathode shows that magnesium gains two electrons to form a magnesium solid while the chlorine ion looses two electrons at the anode
Because Earth’s axis is ____________________, the hemispheres receive different amounts of solar energy at different times.
Answer:
Pretty sure its Tilted
Explanation:
Answer: Tilted
Explanation:
List three things that use light energy, and explain how they use it.
Answer:
Pick from many options. Suggested are:
Plant metabolism for storing light energy as carbohydrates
Heating and drying
Electricity
Explanation:
There are many choices:
Light energy is used for:
Plant metabolism: the sun's light energy is absorbed by the chlorphyll where it eventually gets stored as carbohydrates and other plant biological building blocks.ElectricitySolar panels convert light energy into electricityInformation. Light transmits information that is used used for seeing and for communicating with sattelites and the KlingonsHeatingSunbathingDrying. Foods are died in the sun to drive off water.can oxidation reaction be useful in terms of energy
Answer:Oxidation-reduction (redox) reactions are important because they are the principal sources of energy on this planet, both natural or biological and artificial. Oxidation of molecules by removal of hydrogen or combination with oxygen normally liberates large quantities of energy.
thu: yes
Look around the room and find something. What are its
properties?
Look around the room and find something properties are size shape and texture
Object around us are all kind of object and thus identifying them is important and all these differ from one another by some properties and every object we use is made to fulfil some purpose for us and object have properties that can observed and described are size and shape and texture and every object posses a different kind of texture and object of the same shape are classified into one group and object having the same shape are therefore classified into one object cluster
Know more about properties
https://brainly.com/question/16511841
#SPJ1
what is the molarity of a solution prepared from 34.5 grams of nacl in 250.0 milliliters of solution?
The molarity of the given solution will be 2.356 moles/ litre
We knw that molarity can be calculated using the formula,
Molarity= No of moles of solutes / Volume of solution in Litres
Molarity= (mass/molar mass)/ Volume of solution in Litres
We divide the number of moles of solute by the total volume of liters of solution to determine the molarity of a solution.
When the solute's volume is specified in grams, we must first determine how many moles there are of the solute.
By dividing by the solute's molecular mass, we may compute the number of moles of solute. The result is molarity when it is divided by total volume.
By determining the number of moles of solute using the same method as previously, the volume of a specific mass in a given gram of solution can also be computed. then divided by the specified molarity to determine the solution's total volume.
Given,
Mass (m)= 34.5 g
Molar mass of NaCl= 35.5 + 23= 58.5
Volume of solution= 250 mL= 0.25 L
M= (34.5/ 58.5)/ 0.25
M= 2.356 moles/ Litre
So, the molarity of the solution having mass 34.5 g of solute and 250mL volume will be 2.356 moles/ litres.
To know more about molarity, please refer:
https://brainly.com/question/14469428
#SPJ1
An acid and base will combine to form a new substance with new properties in a??
Salt.
Acids and bases, when brought together, form salt and water through a process known as neutralization process. Since NaCl, the salt, is of majority use in the body, the answer to this question is salt.
if the valence atomic orbitals of an atom are sp3 hybridized, how many unhybridized p orbitals remain in the valence shell?
It is to be noted that there are no p orbitals accessible for multiple bonding in an sp3 hybrid. The two unhybridized p orbitals are accessible for multiple bonding in sp hybridization.
What is an Unhybridized P Orbital?Bonds are formed using unhybridized p atomic orbitals. Two unhybridized p atomic orbitals from distinct atoms overlap side by side, resulting in a shared electron pair filling the area above and below the connecting line between the atoms (the internuclear axis).
An atom will contain the same amount of hybridized orbitals as electron density areas. There can be a total of four hybridized sp3 orbitals, thus take the number of regions of electron density and divide that by four to get the number of unhybridized p orbitals.
An atomic orbital is a function in atomic theory and quantum mechanics that describes the position and wave-like behavior of an electron in an atom. This formula may be used to determine the likelihood of locating any atom's electron in any given location surrounding the nucleus.
Learn more about Atomic Orbitals:
https://brainly.com/question/28240666
#SPJ1
How do the four properties of liquids relate to the polarity of a molecule?Include the following terms in your answer: bonds, polar, non-polar, adhesion, cohesion,surface tension, capillary rise. This summary should be several sentences long. Needs to be a short summary including those words. Please HELP!
Answer
In summary
A number of properties of liquids, such as cohesion and adhesion, are influenced by the intermolecular forces within the liquid itself. Cohesion are various intermolecular forces that hold solids and liquids together while adhesion is the ability of a liquids to stick to an unlike substance. The rise or fall of a liquid in a capillary tube is governed by the balance of cohesive and adhesive forces. Lastly, surface tension is a fundamental property of the surface of liquid, it is responsible for the curvature of the surfaces of liquids dues to the polarity that exists in the liquid molecules.
Explanation
Liquids flow because the intermolecular forces between molecules are weak enough to allow the molecules to move around relative to one another. The forces are attractive when a negative charge interacts with a nearby positive charge and repulsive when the neighboring charges are the same, either both positive or both negative. Molecules are held together by polar covalent bonds – which means that the electrons are not evenly distributed between the bonded atoms. This uneven distribution in the covalent bonds of the molecules results in a partial charge.
The liquid molecules don’t interact particularly strongly with each other because the intermolecular forces are weak. The primary intermolecular forces – are London dispersion forces, which for small molecules are the weakest types of intermolecular forces. These weak forces lead to low cohesion. The molecules don’t interact strongly with each other, so they can slide right past one another.
Adhesion is the tendency of a compound to interact with another compound. (Remember that, in contrast, cohesion is the tendency of a compound to interact with itself.) Adhesion helps explain how liquids interact with their containers and with other liquids. One example of an interaction with high adhesion is that between water and glass. Both water and glass are held together by polar bonds. Therefore, the two materials can also form favorable polar interactions with each other, leading to high adhesion.
when a chemical reaction results in a substance feeling cold, is the substance taking heat from your hand or giving heat to your hand?
When a chemical reaction results in a substance feeling cold, it is taking heat from the hand indicating it is as endothermic reaction.
"Heat is absorbed when chemical bonds are broken and released when chemical bonds are created.
Any chemical process that takes heat from its surroundings is said to be endothermic. The reaction's activation energy comes from the energy that was absorbed. This kind of reaction is characterized by its icy sensation. This may involve absorbing heat from your fingertips or the container they are in. As a result, the container and your fingers will both feel chilly.
1. Heat energy absorption is linked to these reactions.
2. The reactants' enthalpy is higher than the products' enthalpy.
3. The reaction's enthalpy is positive.
To know more about endothermic reaction visit the link:
https://brainly.com/question/23184814?referrer=searchResults
#SPJ4
. In the reaction H₂ + I₂ --> 2HI, the iodine undergoes ______________________ (1 pt)
*
1 point
oxidation
reduction
no change in oxidation number
In the reaction H₂ + I₂ --> 2HI, the iodine undergoes reduction.
The balanced reaction as:
H₂ + I₂ --> 2HI
The oxidation state of hydrogen is increases from 0 to + 1
The oxidation state of iodine is decreases from 0 to -1
The increase in oxidation number is called oxidation. The decrease in oxidation number is called as reduction . the loss of electrons is called as oxidation and the gain of electron is called as reduction
oxidation = hydrogen , reducing agent = hydrogen
reduction = oxygen , oxidizing agent = oxygen
Thus, In the reaction H₂ + I₂ --> 2HI, the iodine undergoes reduction.
To learn more about reduction here
https://brainly.com/question/28813812
#SPJ1
The particles in which type of substance can be separated by physical
means?
A. Compound
B. Element
C. Mixture
D. Molecule
Answer:
Mixture
Explanation:
Mixture are simply a physical combination of two or more substances. they can be separated based only by physical means, or by undergoing physical changes.
31.The following equation represents which of the following types of reaction?4 H3PO4 ---> P4 + 5 O2 + 6 H2OSelect one:a. Decomposition.b. Double replacement.c. Single replacement.d. Synthesis.
Answer
A. Decomposition.
Explanation
A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down into two or more products.
What happened to the pressure as we traveled down?
What rocks make up most of the Earth’s crust?
Oceanic-______________________________________________________
Continental-__________________________________________________
Why do you think the ocean crust contains rocks that are denser than the rocks found on land?
What makes up the lithosphere?
The plates of the lithosphere move slowly because they float on top of the asthenosphere. Describe how the molten material in the mantle causes this movement of the lithospheric plates.
As we move to the interior of the Earth the pressure rises steadily.
The pressure increases deeper into the Earth's interior, from the lithosphere, the mantle, and the inner and outer core.
The high pressure present in the interior also affects the composition of the inner core which is solid.
The oceanic crust is made of Basaltic rocks, making the oceanic crust a bit denser than the continental crust.
The continental crust is considerably thicker in comparison to the oceanic crust. Still, it is made up mostly of various types of granite, which causes it to be a bit lighter than the oceanic crust.
Another reason for this disparity is the difference in the composition of magma that creates the continental and oceanic crust. The magma responsible for the creation of oceanic crust is richer in Mg and Ca while it lacks Al and Si, continental crust on the other hand is composed of magma which has higher concentrations of Al and Si.
The lithosphere extends from the topmost rocky exterior of the Earth's surface to the top part of the upper mantle.
The tectonic plates of the Lithosphere move at a very very slow pace so much so that they move about a few centimeters in a year. The reason behind this is that these are very heavy solid plates, solids have high viscosity and thus they are very hard to move. Along with this the plates also face resistance from the upper mantle.
Learn more about Lithosphere and crust at:
brainly.com/question/5071023