925 L of hydrogen is at 27° C and 105 kPa. When the temperature is lowered to -75°C, what pressure must be applied to compress the gas to 225L?

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.