As Jose mixed two substances in a test tube, he noticed that the test tube became warm. He also noticed an odor coming from the test tube. Based on Jose's observations, what was most likely occurring inside the test tube

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

How many moles of oxygen react with 12 moles of aluminum