The pressure of a gas depends on the temperature and volume of the gas.
<h3>Ideal gas equation</h3>
PV = nRT
Where
- P is the pressure
- V is the volume
- n is the number of mole
- R is the gas constant
- T is the temperature
From the equation given above, we obtained the following:
PV = nRT
Divide both sides by V
P = nRT / V
R is constant and n = 1
P = T / V
Thus, we can see that the pressure (P) is dependent on the temperature (T) and the volume (V)
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Answer 1 : State X is lightening and state Y is air.
Explanation:
Lightening is a phenomena which occurs due to electrostatic interaction between negatively charged ions and positively charged ions present in atmosphere.
Air is composed of various molecules of gases.
Answer 2: Third statement is correct.
Explanation:
When the vegetables are chopped change in shape of the vegetables that is physical change takes place.
When food is broken down into simpler form during digestion, chemical change takes place. During digestions the chemical composition of food changes as it was broken down into simpler molecules.
Answer: 1.5mol NH3
Explanation: 1N2+3H2= NH3
0.5 mol N2x 3NH3/1molN2= 0.5x3= 1.5mol NH3