Which of the following is a formation reaction? The reaction K + Cl2 + 2 Q2 KCLO

Question

Which of the following is a formation reaction? The reaction K + Cl2 + 2 Q2 KCLO4 has a degree H = -432 kj/mol. What is the delta H of 2 2KCLO4 2K + CL2 + 4 O2 ? the heat of a calorimeter is 53.7 kj/ C. If a cookie is burned in this calorimeter and causes the temperature of the calorimeter and its contents to rise by 4.75 degree C, What is the food value of the cookie? 18) The energy of melting is called 19) Which change will lead to the highest increase in kinetic energy? 20) The specific heat of water is. 21) Which requires more work on a 1 lb object?

Explanation / Answer

15. b
16. d
17. b
18. d
19. b
20. c
21. b

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