Example 4. Balance the equation below in which methane reacts with oxygen in the atmosphere to release heat and the atoms recombine to form carbon dioxide and water vapour. CH4 + O2>CO2 + H2O 1 10

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

What are the major types of a chemical compound

Which of these is a physical property