The value of  $\Delta H\degree$  for the reaction below is +128.1 kJ. How many kJ of heat are consumed when 5.10 g of  $H_2$   (g) is formed as shown in the equation?

The specific heat of bromine liquid is 0.226 J/g-K. The molar heat capacity (in J/mol-K) of bromine liquid is ____.

 $\degree$  The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00 $\degree C$  to 27.30  $\degree C$  ? The density of liquid bromine: 3.12 g/mL.

Given the data in the table above,  $\Delta H_{rxn}\degree$  for the reaction is ______ kJ.

Given the data in the table above,  $\Delta H\degree_{rxn}$  for the reaction is _____________ kJ.

 $\Delta H$  for the reaction is ____ kJ.

Given the following reactions the enthalpy of the reaction of the nitrogen to produce nitric oxide is ____ kJ.

A 25.5 g piece of cheddar cheese contains 37% fat, 28% protein and 4% carbohydrate. The respective fuel ratios are 38, 17 and 17 kJ/g. What is the fuel value for this piece of cheese in kJ?

Which one of the following conditions would always result in an increase in the internal energy of a system?

Which of the following statements is false?

The combustion of titanium with oxygen produces titanium dioxide. When 2.060 g of titanium is combusted in a bomb calorimete, the temperature of the calorimeter increases from 25.00 $\degree C$  to 91.60  $\degree C$ . In a separate experiment, the heat capacity of the calorimeter is measured to be 9.84 kJ/K. The heat of reaction for the combustion of a mole of Ti in this calorimter is _____ kJ/mol.

For the reaction of ethylene represented below,  $\Delta H$  is -1323 kJ. What is the value of  $\Delta H$  if the combustion produced liquid water rather than water vapor? ( $\Delta H$  for the phase change  $H_2O\ \left(g\right)\ \rightarrow\ H_2O\ \left(l\right)$  is -44 kJ/mol).

For the reaction above, what is the energy change when 0.50 moles of  $C_2H_5OH$  are reacted?

What is the change in internal energy,  $\Delta E$  , for a system that does 70 J of work as it absorbs 45 J of heat.

Which of these species has a standard enthalpy of formation of zero?

Given the data in the table below,  $\Delta H\degree_{rxn}$  for the reaction is ______ kJ.