Use the interactive to observe the temperature change that results from burning various fuels in a bomb calorimeter. Intital:20 After heat:23.8 ºC Calculate the amount of heat released from combustion of 2 g of gasoline. The heat capacity of the bomb calorimeter is 9.96 kJ/°C. ?=      kJ

0.100 moles of an acid is mixed with 0.100 moles of a base in a calorimeter and the temperature of 85.0 g of the resulting solution increases from 23.3°C to 34.5°C. If the specific heat of the solution is 1.00 cal/g °C, what is the quantity of energy released or absorbed by the reaction? A) 952 cal released B)683 cal absorbed C)952 cal absorbed D)683 cal released E)95.2 cal absorbed

The following thermochemical equation is for the reaction of hydrogen chloride(g) with ammonia(g) to form ammonium chloride(s).   HCl(g) + NH3(g) --> NH4Cl(s)              ΔH = -176kJ   How many grams of HCl(g) would have to react to produce 45.2 kJ of energy? _______ grams

A gas is compressed from an initial volume of 5.70 L to a final volume of 1.24 L by an external pressure of 1.00 atm. During the compression the gas releases 125 J of heat. What is the change in internal energy of the gas?