Given the following chemical reaction: 202 ch4 co2 2 h20what mass of ch4 is required to completely react with 100 grams of o2?

Identifying limitations of kinetic-molecular theorya chemist is studying the properties of a gas under various conditions. he observes that when the gas is at room temperature and low pressure, it behaves as an ideal gas. when the gas is cooled to 10 kelvin and is placed under high pressure, however, it deviates significantly from an ideal .

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Why is the melting of ice a physical change ?