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1. The first law of thermodynamics states:
energy can neither be destroyed nor produced the energy of universe is constant the entropy of a perfect crystal is zero the entropy of the universe is increasing none of the above

2. 500mL of solution A at 23.0C is mixed with 500mL of solution B in a bomb calorimeter. The final solution has a density of 2.0g/mL, final temperature of 26.3C, 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

3. The pathway is dependent of:
heat work change in energy A & B B & D

4. Heat capacity (C) is:
heat absorbed / increase in temperature heat absorbed / mass of substance increase in temperature / heat absorbed mass of substance / heat absorbed none of the above

5. Which of the following do NOT contribute to the formation of coal?
bones plants computer chip a humpback whale a banana peel

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