The force of gravity is twice as great on a 2-kg rock as on a 1-kg rock. Why does the 2-kg
rock not fall with twice the acceleration? (5.6)

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

This is the substance(s) formed in a chemical reaction.

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present