What conversion factor should be used to convert mass to moles?
a. 1mol/number of grams.
b. 6.02x1024mol/number of grams
c. 1.05mol/number of grams
d. 1mol x number of grams

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.

When scientists are ready to publish the results of their experimentation, why is it important for them to include a description of the procedures they used?

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