2. 300. J of energy was released by solution A in a calorimeter. If the mass of solution A was 50.g and the T was 30.°C, what is its specific heat capacity.
.20 J/°C*g 20 J/°C*g 1.2 J/°C*g .7 J/°C*g none of the above
3. Which of the following do NOT contribute to the formation of coal?
bones plants computer chip a humpback whale a banana peel
4. 500mL of solution A at 23.0°C is mixed with 500mL of solution B in a bomb calorimeter. The final solution has a density of 2.0g/mL, final temperature of 26.3°C, and a specific heat capacity of 5.12 J/°C*g. What is the enthalpy change per mole of the final solution?
3.3 x 104 J 3.37 x 104 J 1.7 x 104 J 1.68 x 104 J 2.4 x 104 J
5. The law of conservation of energy states that:
energy cannot be destroyed energy cannot be created energy can be converted form one form to another none of the above
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