The solubility of a certain gas in water is 0.89 g/100 ml at 128 mmhg; what partial pressure will give the gas a solubility of 9.7 g/100 ml at the same temperature?

What layer of the atmosphere is directly above the troposphere?

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?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.