Chemistry, 30.09.2019 17:00 robert7248
Chlorine boils at 239 k. what is the boiling point of chlorine expressed in degrees celsius? (1 point) 93ºc 34ºc –61ºc –34ºc
Answers: 1
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I’m an electrically neutral atomic any element, there are equal numbers of
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Chemistry, 23.06.2019 06:00
In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.
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Chemistry, 23.06.2019 12:00
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.
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Chemistry, 23.06.2019 16:30
The form of energy that can move from place to place across the universe is (answer) on earth, the main source of this energy is (2nd answer) first blank; a) gravitational potential energy b) radiant energy c)thermal energy d) vibrational energy second blank; a)lightning b) the moon c) the sun d) the wind
Answers: 1
Chlorine boils at 239 k. what is the boiling point of chlorine expressed in degrees celsius? (1 poi...
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