If 53 grams of magnesium oxide (MgO) (molar mass: 40.30 g/mol) reacts with an excess amount of sodium chloride, how many grams of magnesium chloride (MgCl2) ) (molar mass: 95.21 g/mol) will be made?

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

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.

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?