A4.00 l flexible container holds a sample of hydrogen gas at 7 atm if the pressure increases to 6 atm and the temperature remains constant what will the volume be. a. 4.67l b. 3.42l c. 0.22l d. 5.26l .

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

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?

Wind and moving water provide energy. chemical mechanical thermal none of the above