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Colt1911 [192]
3 years ago
11

A sample of nitrogen gas is in a sealed container with a constant volume. Heat is added to the gas. The pressure ___

Chemistry
1 answer:
Pavlova-9 [17]3 years ago
8 0

Explanation:

According to the ideal gas equation, PV = nRT.

As, volume is kept constant then relationship between pressure and temperature is directly related.

That is, pressure is directly proportional to temperature.

As we are adding heat to the gas and it means that we are increasing the temperature. Hence, there will also be increase in pressure.

Thus, we can conclude that a sample of nitrogen gas is in a sealed container with a constant volume. Heat is added to the gas. The pressure increases.

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solmaris [256]
Physical change can change a substance by affecting the form of a chemical change.
Examples of physical changes:
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HOPE THIS HELPS YOU! ^_^

3 0
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As you climb through the troposphere, the temperature:
Korolek [52]
As you climb it decreases 
4 0
2 years ago
ΔH for the reaction below is -826.0 kJ/mol. Calculate the heat change when a 69.03-g sample of iron is reacted.4Fe(s) + 3 O2(g)
Anuta_ua [19.1K]

Answer:

c. -1020.9 kJ

Explanation:

4Fe (s) + 3 O₂ (g) --> 2 Fe₂O₃(s)         ΔH  =  -826.0 kJ/mol.

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69.03 g = 69.03 / 56

= 1.23268 moles

Heat released by 1.23268 moles

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4 0
3 years ago
Summarize the relationship between volume, temperature and pressure (use words like “inversely
Alinara [238K]

Answer:

P and V: inversely proportional

P and T: directly proportional

V and T: inversely proportional

Explanation:

For pressure and volume, as the volume goes up, meaning the container gets bigger, the pressure would go down. There would be more room in the container, so there would be less collisions between the molecules themselves and between the molecules and the container. This makes them inversely proportional.

For pressure and temperature, as the pressure goes up, there are more collisions, so the particles move faster. Temperature is the speed of the particles, so, since both pressure and temperature would go up at the same time, they are directly proportional.

For volume and temperature, this is similar to the PV relationship. As volume increases, there are less collisions between the particles. This means that the particles are going to move slower. Therefore, as volume goes up, temperature goes down, so they are inversely proportional.

Sorry this is super long, but I hope it fully explains the question for you! ☺

4 0
3 years ago
Why the bond in water molecule os polar covalent bond, while than in chlorine molecule is pure covalent bond? Give reason? ​
erastovalidia [21]

Explanation:

The unequal sharing of electrons between the atoms and the unsymmetrical shape of the molecule means that a water molecule has two poles - a positive charge on the hydrogen pole (side) and a negative charge on the oxygen pole (side). We say that the water molecule is electrically polar.

8 0
3 years ago
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