6. Compound B is burned in a bomb calorimeter that contains 1.50 liters of water. When I burned 50.0 grams of compound B in the calorimeter, the temperature rise of the water in the calorimeter was 35.0°C. If the heat of combustion of compoundB is 2,150 kJ/mol, what is the molar mass of compound B?

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6. Compound B is burned in a bomb calorimeter that contains 1.50 liters of water. When I burned
50.0 grams of compound B in the calorimeter, the temperature rise of the water in the calorimeter
was 35.0°C. If the heat of combustion of compound B is 2,150 kJ/mol, what is the molar mass
of compound B?
7. The molar heat of combustion of compound C is 1,250 kJ/mol. If I were to burn 0.115 moles
of this compound in a bomb calorimeter with a reservoir that holds 2.50 L of water, what would
the expected temperature increase be?
8. When 1.37g of barium reacts with oxygen, there is a release of 5.57 x 103 J of energy. How
much heat would be produced during the formation of 1.00 mol of barium oxide?
9. Octane, (C8H18), is one component of gasoline. The heat produced by burning 1.00 g of
octane is collected in 2.00 kg of water in a calorimeter. The temperature rise was 24.4 K.
Calculate the molar heat of combustion of octane.
10. The heat produced by burning 1.00 g of hydrazine (N2H4) is collected in 3.95 kg of water in
a calorimeter. If the temperature rise is 1.2 K, calculate the molar heat of combustion of
hydrazine.
Transcribed Image Text:6. Compound B is burned in a bomb calorimeter that contains 1.50 liters of water. When I burned 50.0 grams of compound B in the calorimeter, the temperature rise of the water in the calorimeter was 35.0°C. If the heat of combustion of compound B is 2,150 kJ/mol, what is the molar mass of compound B? 7. The molar heat of combustion of compound C is 1,250 kJ/mol. If I were to burn 0.115 moles of this compound in a bomb calorimeter with a reservoir that holds 2.50 L of water, what would the expected temperature increase be? 8. When 1.37g of barium reacts with oxygen, there is a release of 5.57 x 103 J of energy. How much heat would be produced during the formation of 1.00 mol of barium oxide? 9. Octane, (C8H18), is one component of gasoline. The heat produced by burning 1.00 g of octane is collected in 2.00 kg of water in a calorimeter. The temperature rise was 24.4 K. Calculate the molar heat of combustion of octane. 10. The heat produced by burning 1.00 g of hydrazine (N2H4) is collected in 3.95 kg of water in a calorimeter. If the temperature rise is 1.2 K, calculate the molar heat of combustion of hydrazine.
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