Causes rocks to change composite when reacting with oxygen

1 answer:

8 0

The steel in nail contains iron. Oxygen and water react with the iron to form rust. (oxidation i believe. i may be wrong)
Minerals in rocks undergo chemical changes when they react with water and air. is the breakdown of rocks by chemical reactions that change the rocks' makeup, or composition.

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The atomic number of magnesium (mg) is 12. this is also the number of which of the following

Rzqust [24]

The answer is protons.

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3 years ago

what is the volume of the air in a balloon that occupies 0.730 L at 28.0 c if the temperature is lowered to 0.00 C

svetoff [14.1K]

Answer:

The volume of the air is 0.662 L

Explanation:

Charles's Law is a gas law that relates the volume and temperature of a certain amount of gas at constant pressure. This law says that for a given sum of gas at a constant pressure, as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases because the temperature is directly related to the energy of the movement they have. the gas molecules. This is represented by the quotient that exists between volume and temperature will always have the same value:

$\frac{V}{T}=k$

If you have a certain volume of gas V1 that is at a temperature T1 at the beginning of the experiment and several the volume of gas to a new value V2, then the temperature will change to T2, and it will be true:

$\frac{V1}{T1}=\frac{V2}{T2}$

In this case:

V1= 0.730 L
T1= 28 °C= 301 °K (0°C= 273°K)
V2= ?
T2= 0°C= 273 °K

Replacing:

$\frac{0.730 L}{301K}=\frac{V2}{273K}$

Solving:

$V2=273K*\frac{0.730L}{301K}$

V2=0.662 L

<u><em>The volume of the air is 0.662 L</em></u>

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What is the form of energy that an object has due to its temperature

SOVA2 [1]

There is thermal energy, but temperature is also a measure of the average kinetic energy, so either of those should be acceptable answers for the question.

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Which statement correctly describes the relationship between reactant and yield?

wlad13 [49]

Answer:

The theoretical yield is calculated from the amount of the limiting reactant present.

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A commercial airplane typically flies at a height of 37,000 feet. If an average cell phone was dropped from an airplane, about h

saul85 [17]

Answer:

its b i just did it .