In a chemical reaction, the very same atoms were present both in the reactants and products, but they are reorganised as a result of the reaction.
How do reactions take place?Opposition against an influence, force, or movement. preference for an antiquated political, social, and policy system, in particular. a response to a certain process, situation, or stimulus. She was shocked by the information. Substances are made up of chemical compounds and chemical constituents.
What does the word "force" mean?Due to forces, an item will either be in rest or moving. Consider a football that is motionless and resting just on ground as an example.
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Los átomos que no poseen _______________ son conocidos como _________________ ________________. Los átomos que poseen carga se denominan ________________, aquellos con carga positiva de llaman_________________ y son aquellos que _________ electrones. Los__________________ son aquellos con carga negativa y son los que ______________ electrones. Para todos los casos el valor de ______ y _________ permanecen iguales y son los que sacamos de la tabla periódica.
Answer:
La respuesta está en la explicación
Explanation:
Los átomos que no poseen ___CARGA____ son conocidos como ____ÁTOMOS____ ____NEUTROS_____. Los átomos que poseen carga se denominan ___IONES____, aquellos con carga positiva de llaman ____PROTONES____ y son aquellos que __PIERDEN__ electrones. Los ______ANIONES____ son aquellos con carga negativa y son los que _____GANAN___ electrones. Para todos los casos el valor de _MASA__ y _NÚMERO ATÓMICO_ permanecen iguales y son los que sacamos de la tabla periódica.
Copper (II) reacts with silver nitrate in a single displacement reaction. How many grams of copper are needed to react with 510 grams of silver nitrate?
explain what conservation of mass is and how to calculate it
Need help. Will pay if needed, or give away points. CHEMISTRY
Answer:
C. So electrons can flow from one electrode to another
Explanation:
An electrochemical cell is any cell in which electricity is produced by reason of a chemical change.
An electrochemical cell consists of two electrodes, these two electrodes are connected using a wire.
Usually, electrons flow from one electrode to another via this wire thereby enabling the electrochemical processes of oxidation and reduction in the cell to proceed effectively.
What are surface currents? What drives them?
Answer:
Surface currents in the ocean are driven by global wind systems that are fueled by energy from the sun. Patterns of surface currents are determined by wind direction, Coriolis forces from the Earth's rotation, and the position of landforms that interact with the currents
how does the human voice work
Answer:
vocla cords
Explanation:
If the graph of y = a x 2 + b x + c does not intersect the x -axis, then what is true about the roots? Both are real roots. Both are real roots. Both are imaginary roots. Both are imaginary roots. One is a real root, and one is irrational. One is a real root, and one is irrational. One is a real root, and one is rational.
Answer:
Both roots are imaginary roots.
Explanation:
Consider these things:
If we try to solve x²+1 = 0, notice that we aren't able to solve the equation in Real Number system because there are no negative outputs for quadratic function.
Remember that quadratic function has range greater or equal to the max-min value.
x-axis plane represents the solutions of that equation. If a graph intersects x-axis plane then it has a solution.
While a graph that doesn't have any intersects on x-plane, it means that the equation for that graph doesn't have real solutions but imaginary solutions.
As you may notice some of parabola graph has one intersect, two intersects or none. One intersect is one solution to the equation — Two intersects are two solutions of the equation and lastly, no intersects mean that no real solutions and remain only imaginary solution.
Energy is added to cool water in a beaker. The energy causes the temperature of the temperature to rise. Which term best describes the energy? (A) Heat energy, (B) Chemical energy, (C) Electrical energy, (D) Potential Energy.
Answer:
(A) Heat energy
Explanation:
Temperature can be defined as a measure of the degree of coldness or hotness of a physical object. It is measured with a thermometer and its units are Celsius (°C), Kelvin (K) and Fahrenheit (°F).
Conduction involves the transfer of electric charge or thermal energy due to the movement of particles. When the conduction relates to electric charge, it is known as electrical conduction while when it relates to thermal energy, it is known as heat conduction.
In the process of heat conduction, thermal energy is usually transferred from fast moving particles to slow moving particles during the collision of these particles. Also, thermal energy is typically transferred between objects that has different degrees of temperature and materials (particles) that are directly in contact with each other but differ in their ability to accept or give up electrons.
Any material or object that allow the conduction (transfer) of electric charge or thermal energy is generally referred to as a conductor. Conductors include metal, steel, aluminum, copper, frying pan, pot, spoon etc.
In this scenario, Energy is added to cool water in a beaker. The energy causes the temperature of the temperature to rise. Thus, the term which best describes the energy is heat energy because the object becomes hotter due to an increase in temperature and heat applied.
Calculate the number of moles of oxygen (O2) in 24.0 g of O2?
Number of moles = mass/ molar mass
it implies that n(O2) = 24.0g / 32
= 0.75 mols
6. What is the atomic number of the element?
7. How many neutrons does this element have?
8. What is the atomic mass of this element?
9. How many electrons does this element have?
Answer:
For O: atomic number = 8 # neutrons = 8
For Al: atomic mass = 27, # electrons = 13
what is chemical bonding
Answer:
In simple terms it is when two chemicals bond with each other
Explanation:
For more detailed explanation here's your answer:-
A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. It has Electrostatic force between the two molecules. It can be either positive or negative ionsZinc reacts with Copper (II) chloride to produce Copper and Zinc chloride. -write chemical formula
Answer:
here's the answer hope it helps
I'm just straight confused by it
Answer:
B
Explanation:
(Usually give an explanation, but doing an exam, so just trust)
20. Calculate the volume of 847 g of SO2 gas at a pressure of 89.4 kPa and 40 °C.
JUST NEED THIS LAST ONE SOMEONE HELP ME ITS DUE SOON
Answer:
243L of SO2
Explanation:
You'll want to use the Ideal Gas Law for this problem.
First, determine your formula. V=nRT/P
Next, determine your factors.
V = ?
n = 847g
R = 0.0821L.atm/mol.k
T = 313k (40+273)
P = 89.4kPa
Now just plug it in!
847g x 313k / 89.4kPa x 0.0821L.atm / mol. K
243L of SO2. Hope this helps!
An organ, such as the eye or the heart, is composed of cells and________.
A. tissues
B. water
Which of the following can be used to measure an object's
speed?
Answer:
distance traveled divided by the time it traveled
Explanation
this is just an equation for how to find speed. you can also just use like a meterstick and a stopwatch
what does Element mean?
A.)The smallest part of matter still retaining chemical properties
B.)Consists of only protons and neutrons
C.)A pure substance, only one type of atom
D.)Two or more atoms held together by chemical bonds
Answer:
C is the answer I believe.
IF YOU DON'T ANSWER IT CORRECTLY OR IN AT LEAST A DECENT WAY< I WILL REPORT!!! I'm giving 30 points for this!!!!
List the different signs that tell you a chemical reaction may have occurred.
Then for each sign, write down TWO examples from day to day life where you have seen these reactions occur. (you should have 10 total; try to come up with examples on your own. although you may have to research the one where a solid is formed.)
Answer:
Color Change.
Production of an odor.
Change of Temperature.
Evolution of a gas (formation of bubbles)
Precipitate (formation of a solid)
Chicken turning color
Explanation:
I have when i have put a mint in the coke and it exploded and then another is when i dyed my water purple for no reason and when i heat water it start do evaporate or bubble and water turning into ice and when you know you cook chicken the chicken is pink then when you season the chicken it turn golden brown and when you put milk and cereal together and if you leave it in to long it get soggy.
The growth of the plants that the animal used for food could not keep up with the needs of the population. There was so little food for the animals, the population declined. How does this relate to overpopulation?
Question options:
This does not relate to overpopulation.
Overpopulation means that there are too many members in the population and that in the end, this will severely hurt their chances for survival.
Overpopulation means that there are too many members in the population and that in the end, this will increase their chances for survival.
Overpopulation means that there are few members in the population and that in the end, this will increase their chances for survival.
Answer:
The number of animals greatly exceeded the carrying capacity, destroying the food sources and causing the population to decline.
ALSO
Overpopulation means that there are too many members in the population and that in the end, this will severely hurt their chances for survival.
Explanation:
The statement relates to overpopulation as overpopulation means that there are too many members in the population and that in the end, this will severely hurt their chances for survival.
What is overpopulation?Overpopulation means an increase in the number of a specific population in a specific place.
Overpopulated species harm other species. It competes for the food and place.
It also decreases the number of species that are its prey.
Thus, the correct option is B.
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Balance Cl2+NaBr=NaCl+Br2
Which correctly lists the 3 types of
radiation from least damaging to most
damaging?
alpha < beta < gamma
alpha < gamma < beta
gamma < beta < alpha
beta < gamma < alpha
Answer:
alpha < beta < gamma.
Explanation:
Electromagnetic waves is a propagating medium used in all communications device to transmit data (messages) from the device of the sender to the device of the receiver.
An electromagnetic spectrum refers to a range of frequency and wavelength that an electromagnetic wave is distributed or extends. The electromagnetic spectrum comprises of gamma rays, visible light, ultraviolet radiation, x-rays, radio waves, and infrared radiation.
Generally, all radioactive elements are capable of emitting radiation. The three (3) types of nuclear radiation from least damaging to most damaging are; alpha, beta and gamma.
This ultimately implies that, alpha particles have the least damaging (penetrative) ability followed by beta particles and lastly, gamma rays.
Which process is represented by the label A?
Answer:
I believe its compaction
Explanation:
Compaction is how sedimentary rock is formedm
Which important historical figure did Berthollet teach and travel with?
Answer:
Napoleon Bonaparte
Explanation:
Napoleon Bonaparte was pleased by Berthollet's accomplishments and hired Berthollet in 1798 for his expedition in Egypt, wherein he founded the Institut d'Egypte. He has become the chief scientist at the Institut de France following his homecoming to Paris, and he set up a private laboratories at his country residence in Arcueil on the outskirts of The capital.
How many moles of NaOH are in a 50.0 g sample of NaOH?
Answer:
The answer should be, 0.01
Explanation:
0.01 = moles of NaOH
[tex] \huge\boxed{ \boxed{\boxed{ \boxed{\mathcal{Answer ࿐ }}}}}[/tex]
[tex] \mathrm{1 \: mole \: of \: NaOH = 40 \: g }[/tex]
[tex] \mathrm{1g = \dfrac{1}{40} \: moles \: of \: NaOH}[/tex]
[tex] \mathrm{50g = \dfrac{1}{40} \times 50}[/tex]
[tex] \mathrm{1.25 \: moles \: of \: \: NaOH}[/tex]
_____________________________
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Which best describes the purpose of a fever?
Answer:
when you have a fever your body is trying to fight off a virus or some other kind of bad Bacteria
Explanation:
I think this because everyone has at least had a fever when they were sick and when you are sick you are likely to have a fever because your body is fighting off a bad bacteria
PLEASE ANSWER!! DUE TONIGHT!! 10 POINTS!!
Find the density of a cube (to the nearest tenth) with a side of 4 cm. and a mass of 1235 grams. (You do not need to include units in your answer.)
Answer:
19.3
Explanation:
V=4^3 a^3, to find volume with sides
p= 1235/64, Mass/ Volume= Density
On a hot day, a 15.0 kg window increased from 20.0 degrees C to 26.7 degrees C. How much heat energy did the glass window absorb? (specific heat of glass = 0.840 J/gC)
Answer: The heat energy absorbed by glass window is 84420 J.
Explanation:
Given: Mass = 15 kg (1 kg = 1000 g) = 15000 g
Initial temperature = [tex]20^{o}C[/tex]
Final temperature = [tex]26.7^{o}C[/tex]
Specific heat capacity = [tex]0.840 J/g^{o}C[/tex]
Formula used is as follows.
[tex]q = m \times C \times (T_{2} - T_{1})[/tex]
where,
q = heat energy
m = mass of substance
C = specific heat capacity
[tex]T_{1}[/tex] = initial temperature
[tex]T_{2}[/tex] = final temperature
Substitute the values into above formula as follows.
[tex]q = m \times C \times (T_{2} - T_{1})\\ q = 15000 g \times 0.840 J/g^{o}C \times (26.7 - 20)^{o}C\\q = 84420 J[/tex]
Thus, we can conclude that the heat energy absorbed by glass window is 84420 J.
why should Asus be stores only in the glass containers please answer this
Answer:
Do you mean acids?
Due to chemical reaction
Explanation:
Acids are only stored in glass containers because glass containers rarely react with any substance.They dont react with acids and prevent chemical reaction so the acids can be kept. If acids were kept in metal containers it would react .
Bicycles that have been left outside in the summer will rust faster than bicycles kept inside. What causes the bicycles that are left outside to rust faster?
Bikes that are kept outside are not used as often, speeding up the chemical reaction of metal rusting.
Heat energy from the sun slows down the chemical reaction of the metal rusting.
Moisture and oxygen cause oxidation, which speeds up the chemical reaction of the metal rusting.
Wind energy outside speeds up the chemical reaction of the metal rusting.
If you have 3 mol of glucose in 6 L of solution, what is the molarity of the
solution?
Answer:
0.5 M
Explanation:
Molarity = moles of solute / liters of solution