Answer:
If a species cannot adapt to the changes in their ecosystem, they may move to another location. If they will not move, the species may become threatened, endangered or extinct.
Explanation:
The way the question is worded, it sounds like there are options for you to chose from that you are not showing. I could help you out more if I actually knew the options.
Extinction is likely if conditions change faster than a species can evolve, and if members of that species lack the traits required to survive in the new environment.
What is an extinction ?The death of all members of a species of plants, animals, or other organisms is referred to as extinction.
The primary cause of higher extinction rates is habitat loss. Other causes include habitat changes, commercial overexploitation of wildlife, the introduction of harmful nonnative species, pollution, and disease spread.
If a species is unable to adapt to changes in its ecosystem, it may relocate. The species may become threatened, endangered, or extinct if they do not move.
Thus, Extinction is likely if environmental conditions change faster than a species can evolve and members of that species lack the traits needed to survive in the new environment.
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Please help me I need help.
Hydrogen gas reacts with oxygen gas to form water. At STP, how many liters of hydrogen gas react with 32.4 liter of oxygen gas? (H2 + O2 -> H2O)
Answer:
I think its 1.2L? i may be wrong
Explanation:
Recall old Avogadro's hypothesis...........
Equal volumes of gases contain AN EQUAL NUMBER of PARTICLES
And thus if there are
2.4
⋅
L
of dihydrogen, stoichiometric equivalence requires
1.2
⋅
L
of dioxygen. How many litres of water g
(reporting links) giving brainly
Which of the following are indicators of a healthy water source?
A.high nitrates, high pH, and low temperatures
B.low temperature, high dissolved oxygen, and neutral pH
C.low pH, high nitrates, and low dissolved oxygen
D.high turbidity, high dissolved oxygen, and high temperature
Answer:
B.
Explanation:
B. low temperature, high dissolved oxygen, and neutral pH
Hope this Helps.
Name the sub atomic particles in part Z of a boron atom give the relative charges of these sub atomic particles
Answer:
Neutrons and protons
Explanation:
There are three fundamental subatomic particles, these are;neutrons protons and electrons.
Ernest Rutherford successfully showed that every atom does possess a central core that contain positively charged particles (protons) called the nucleus. Chadwick later discovered the existence of neutrons.
Both protons and neutrons are found in the nucleus. Z represents the nucleus of the boron atom and houses the neutrons and protons of the boron atom.
How many moles of SO3 are in 2.4 *10^23 cules?
Answer:
0.4 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\[/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
We have
[tex]n = \frac{2.4 {10}^{23} }{6.02 \times {10}^{23} } = \frac{2.4}{6.02} \\ = 0.3986...[/tex]
We have the final answer as
0.4 molesHope this helps you
How many grams of sugar (C12H22011) is needed to make a 1.3 L solution that is 0.13 M?
2C2H6 + 8O2 = 4CO2 + 6H2O
My teacher wants to know how many moles are required, how many moles oaf carbon dioxide are produced and how many moles of water are produced. Can somebody please help me?
Answer:
4 moles of carbon
6 moles of water
Explanation:
I think as there no data given u have to is the numbers infront of the equation e.g 4CO2 so 4.
hope this helps :)
Can magic 8 ball wash with water?
The chemical name for MgCl3
Answer:
The chemical name is magnesium chloride
Answer:
Magnesium chloride
Please mark as brainliest if answer is right
Have a great day, be safe and healthy
Thank u
XD
Nearly ¾ of the world's surface is covered with water so most of the earth's living things live in the
Answer:
ocean
Explanation:
aavssdbvsvasgvesvdbvsvdbvv
Answer:
oceans/lakes/ponds/rivers/creeks/seas
Explanation:
atoms of which of elements will form covalent bonds in a compound
A. C and O
B. Na and F
C. Co and Fe
D. Li and Al
Look at the chemical equation.
HI (aq) + LiOH (aq) → LiI (aq) + H2O (l)
a) What is the total ionic equation?
b) What is the net ionic equation?
c) What is/are the spectator ion(s)?
d) What is the salt that is formed?
Answer:
See explanation
Explanation:
a) The total ionic equation shows all the ions involved in the equation as follows;
H^+(aq) + I^-(aq) + Li^+(aq) + OH^-(aq) ----> Li^+(aq) + I^-(aq) + H2O(l)
b) The net ionic equation only involves the ions that truly participated in the reaction.
H^+(aq) + OH^-(aq) ----> H2O(l)
c) The spectator ions appear on both sides of the reaction equation. They are; I^- and Li^+.
d) The salt formed is LiI (lithium iodide)
HURRY PLEASE
What volume is occupied by 3.12 moles of a gas when the pressure is 88.4 kPa at a temperature of 19℃?
Answer:
The Combined Gas Law shows that the pressure of a gas is inversely proportional to volume and directly proportional to temperature. Avogadro's Law shows that volume or pressure is directly proportional to the number of moles of gas. Putting these together leaves us with the following equation:
P1×V1T1×n1=P2×V2T2×n2(11.9.1)
As with the other gas laws, we can also say that (P×V)(T×n) is equal to a constant. The constant can be evaluated provided that the gas being described is considered to be ideal.
The Ideal Gas Law is a single equation which relates the pressure, volume, temperature, and number of moles of an ideal gas. If we substitute in the variable R for the constant, the equation becomes:
P×VT×n=R(11.9.2)
The Ideal Gas Law is conveniently rearranged to look this way, with the multiplication signs omitted:
PV=nRT(11.9.3)
The variable R in the equation is called the ideal gas constant.
Explanation:
a compound formed when atoms of two or more different elements share electrons
a compound formed when atoms of two or more different elements share electrons
This statement is true.
The shape of the methane molecule(ch4) is called
Answer:
Tetrahedral
Explanation:
The individuality of an organism is
determined by the organism's
A) amino acids
B) DNA nucleotide sequence
C) nitrogenous bases
D) transfer RNA molecules
____N2 + ____H2 ____NH3
Answer:
N2 + 3H2 + 2NH3
Explanation:
I'm assuming you're balancing the chemical equation
[tex]nitrogen \: reacts \: with \: hydrogen.[/tex]
N2 + 3H2 → 2NH3.
Explanation:-
L.H.S.
N = 2, H = 3×2 = 6.
R.H.S.
N = 2, H = 3×2 = 6.
how many ml of 10.0 m cacl2 do we need to prepare 3.00 l of a 0.500 m cacl2 solution
Answer:
150 mL
Explanation:
From the question given above, the following data were obtained:
Molarity of stock solution (M₁) = 10 M
Volume of diluted solution (V₂) = 3 L
Molarity of diluted solution (M₂) = 0.5 M
Volume of stock solution needed (V₁) =?
The volume of stock solution needed can be obtained as follow:
M₁V₁ = M₂V₂
10 × V₁ = 0.5 × 3
10 × V₁ = 1.5
Divide both side by 10
V₁ = 1.5 / 10
V₁ = 0.15 L
Finally, we shall convert 0.15 L to mL. This can be obtained as follow:
1 L = 1000 mL
Therefore,
0.15 L = 0.15 L × 1000 mL / 1 L
0.15 L = 150 mL
Therefore, the volume of the stock solution needed is 150 mL
Which of these is not an organ in the
digestive system?
A. heart
B. stomach
C. intestine
Answer:
a
Explanation:
organs are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The liver, pancreas, and gallbladder are the solid organs of the digestive system. The small intestine has three parts.
PLESE HELP WILL GIVE BRAINLYESTY
Imagine that you are Andreas Vesalius. Write a short autobiographical statement that talks about who you are, where you’re from, and some of your important contributions.
Answer:
My name is Andreas Vesalius and I'm a 16th-century Flemish anatomist, physician, and author of one of the most influential books on human anatomy, De Humani Corporis Fabrica Libri Septem. I am often referred to as the founder of modern human anatomy. I was born in Brussels, December 31, 1514 which was then part of the Habsburg Netherlands. I was a Flemish doctor who was notable for my contribution to the science of anatomy of the human body. I was the first to perform public dissection on a human corpse, a practice that was unusual in the Middle Ages due to spiritual beliefs.
Explanation:
How many grams are in 0.428 moles of lithium carbonate, Li3PO4?
42.7
49.6
54.8
72.3
help me pass this test my last day of school is may 26 if you don’t mind I have more questions :)
Answer:
equal
Explanation:
bacterial cells.
Which label belongs in the area marked animal?
nucleus
DNA
cell wall
ribosomes
Answer:
I believe it would be (nucleus)
an organism that a parasite lives in or on is a
A. prey
B. host
C. consumer
D. prey
Ms. Kastenberg spilled a bottle of paint outside in the sun. Over time, the paint dried. This is because:
A
The paint reflected the energy from the light
B
The light was too strong for the paint
с
The sun removed energy from the paint
D
The paint absorbed the energy from the light
Answer:
I believe that the answer is the paint absorbed the energy from the light
Explanation:
The paint dried because the paint absorbed the energy from the light and the correct option is option D.
What is absorption of light?Light absorption is the process in which light is absorbed by matter and converted into energy. In an atom, electrons vibrate at a specific frequency – this is called the natural frequency.
If a wave of light hits a material in which the electrons are vibrating at the same frequency as the wave of light, the electrons will absorb the energy and convert it into vibrational motion.
This is why objects have different colours – different materials’ electrons will vibrate at different rates, and therefore absorb different frequencies of light.
Therefore, the paint dried because the paint absorbed the energy from the light and the correct option is option D.
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grade 8 chem/ science
Answer:
reactants
Explanation:
have a good day!
What is the number of moles of glucose (C₆H₁₂O₆) in 0.500 L of a 0.40 M solution?
Answer:
0.20 moles
Explanation:
In order to solve this problem it is necessary to keep in mind the definition of molarity:
Molarity = moles / litersIf we input the data given by the problem we're left with:
0.40 M = moles / 0.500 LMeaning that we can proceed to calculate the number of moles:
moles = 0.40 M * 0.500 Lmoles = 0.20 molesThe number of moles of glucose ([tex]C_6H_{12}O_6[/tex]) in 0.500 Liters of a 0.40 M solution is 0.2 moles.
Given the following data:
Molarity of solution = 0.40 MVolume of solution = 0.500 LTo determine the number of moles of glucose ([tex]C_6H_{12}O_6[/tex]) in 0.500 Liters of a 0.40 M solution:
Mathematically, the molarity of a solution is given by the formula:
[tex]Molarity = \frac{number\;of\;moles}{Volume \;in\;liters}[/tex]
Making number of moles the subject of formula, we have:
[tex]Number\;of\;moles = Molarity \times Volume[/tex]
Substituting the given parameters into the formula, we have;
[tex]Number\;of\;moles = 0.40 \times 0.500[/tex]
Number of moles = 0.2 moles.
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Why is Dalton's Gas Law a problem for people who visit high altitudes?
What happens as liquid water boils?
A) The molecules are destroyed.
B) The mass of the molecules decreases.
C) The molecules become separated from each other.
D) The molecules break down into hydrogen and oxygen atoms.
Answer:
C) The molecules become separated from each other.
Explanation:
If some salt were accidently spilled as it was transferred from the balance to the cup would your calculated enthalpy of solution of the salt be too high or too low
Answer:
It would be to low
Explanation:
If some salt were accidently spilled as it was transferred from balance to cup calculated enthalpy of solution of salt be too low as there will be loss in mass which would lead less solubility of salt and hence less enthalpy.
What is solubility?Solubility is defined as the ability of a substance which is basically solute to form a solution with another substance. There is an extent to which a substance is soluble in a particular solvent. This is generally measured as the concentration of a solute present in a saturated solution.
The solubility mainly depends on the composition of solute and solvent ,its pH and presence of other dissolved substance. It is also dependent on temperature and pressure which is maintained.Concept of solubility is not valid for chemical reactions which are irreversible. The dependency of solubility on various factors is due to interactions between the particles, molecule or ions.
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