Molar mass is a generic term for the # of g/mol. What term is used to describe elements?

A

Atomic mass

B

formula mass

C

molecular mass

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In 1897 the Swedish explorer Andree tried to reach the North Pole in a balloon. The balloon was filled with hydrogen gas. The hydrogen gas was prepared from iron splints and diluted sulfuric acid. The reaction is given below.

What temperature of air can hold the most water

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A chemical reaction that takes in heat is called: exothermic endothermic a phase change

Which of the following lines (of latitude or longitude) would represent by 180 longitude? South Pole Equator Prime meridian North Pole International date line