2. Work is defined as:
force over distance energy over time money over time speed over distance none of the above
3. 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
4. What is pyrolytic cracking?
process in which larger kerosene molecules are broken down into smaller molecules of hydrocarbon a procedure in which a more a practical source of energy is produced the use of pyrotechnics to mine coal a process of coal conversion none of the above
5. 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
| about us | contact us
tutorials index | organic
chemistry | practice tests | online
quizzes | reference tools
site copyright (c) 2002 to neopages.com