The minimum amount of energy that has to be added to start a reaction is the
a. exothermic energy.
b. endothermic energy.
c. activation energy.
d. chemical energy.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

Which of the following molecules is polar? c3h7oh c2h5cooh