14 If you have 3 moles of I2, how many moles of Nal will you make in this reaction?
2 Na + 12 -> 2Nal
1
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Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.