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Question: 7 why does your answer carry the most energya...

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7. ___ why does your answer carry the most energy?a. It is the shortest wavelength b. It is the longest wavelength c. It has the highest amplitude

8. _____ . _____ The amount of heat required to raise 1 gram of a substance 1 degree Celsius is: a. Fahrenheit b. Kelvin c. Specific Heat d. Watt.

13. _____ Kinetic Energy refers to : a. Energy of motion b. Energy of position c. Energy stored in fossil fuels d. Electrical energy

14. _____ The Study of heat and its relationship to mechanical and other forms of energy is: a. temperature b. tempura c. thermodynamics d. thermostat

15. _____the movement of the continents as part of Plate Tectonics is heat transfer by: a. conduction b. convection c. radiation

16. _____Which Phase Change takes the most energy? a. Changing from solid to liquid b. Changing from liquid to gas c. Changing from liquid to solid d. Changing from gas to liquid Page 3 of 4

17. _____Gas molecules: a. Are not in contact with one another b. Have the most kinetic energy of the 3 phases c. Have random motion d. All of the above

18. _____Heat always flows from __________ to ___________ objects. a. Hotter, colder b. Colder, hotter c. Hotter, hotter

19._____ The formula Q = mc∆T is the formula for: a. Change in temperature b. heat capacity c. mass d. amount of heat required to raise temperature

20. _____Your hand grabbing a pot handle is an example of Heat Energy transferred by: a. radiation b. conduction c. convection

21. List the 4 Laws of Thermodynamics in simple sentences.

22. According to the 0th Law of Thermodynamics, what will happen if a metal rod with a temperature of 25⁰ C is placed in 1 liter of H2O with temperature of 75⁰C?

23. According to the 2nd Law of Thermodynamics what will be predicted to happen if a deck of cards is thrown up in the air?

24. The boiling point of N2 (Nitrogen gas) is -195.8°C. a. At -200°C which phase of matter N2 ? ________________ b. At 25⁰C (room temperature) which phase of matter is N2? __________________

25. The melting point of NaCl (salt) is 801°C. a. At 1000⁰C which phase of matter is NaCl? ________________ b. At 25⁰C (room temperature) which phase of matter is NaCl? _____________

26. Using table below and using the heat formula, calculate the heat required to raise the temperature by 10 degrees Celsius of the following: 10 grams of gold 10 grams of aluminum 10 grams of water

B.) Which one based on your calculations takes more heat?

substance specific heat

air 1.01

aluminum 0.902

copper 0.385

gold 0.129

iron 0.450

mercury 0.140

naci 0.864

ice 2.03

water 4.18

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