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How much energy is required to melt 92g of a substance whose heat of fusion is 0.84 J/g?
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
Which quantities must be conserved in a balanced chemical reaction?
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
What is the heat of reaction for the following reaction? 2C2H6(g) + O2(g) --> 4CO2(g) + 6H2O(g)
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
In the case of dissolution, which of the following is considered the environment?
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
What is the standard heat of formation for any element in its elemental form?
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
How much energy, in calories, are required to convert 84 g of ice to water at standard conditions?
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
How many joules are in 745.3 calories?
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
What is the specific heat capacity of an object that has a mass of 400 g, and is raised 27 degrees Celsius by 4500 Joules of energy?
Zero
-745.8 cal
The water
77.3 J
All of the above
6712 cal
3115.4
0.712 J/gC
Check it!