A free-falling golf ball strikes the ground and exerts a force on it. which sentences are true about this situation?

What is the molar mass of water H2O? what is the molar mass of calcium chloride CaCl2? what is the molar mass of copper (II) sulfate CuSO4? what is the molar mass of silver nitrate AgNO3? what is the molar mass of sulfuric acid H2SO4?

The specific heat for liquid ethanol is 2.46 J / (g•°C). When 210 g of ethanol is cooled from 50 °C to 5 °C, the surrounding 7.80 x 103 g of air absorbs the heat. The specific heat of air is 1.01J / (9•°C).

We divide the electromagnetic spectrum into six major categories of light, listed below. Rank these forms of light from left to right in order of increasing wavelength. To rank items as equivalent, overlap them.

Gases mix with gases easily to form homogeneous mixtures. Liquids do not always mix together and form homogeneous mixtures.

How many grams of oxygen are required to react with 10.0 grams of octane (C8H18) in the combustion of octane in gasoline?

You are on an alien planet where the names for substances and the units of measures are very unfamiliar. Nonetheless, you obtain 19 quibs of substance called skvarnick.

How do you know if an element is an ion?

Which gas is not a greenhouse gas, A methane, B Water Vapor, C, Carbon dioxide, D, Nitrogen, E, Ozone

A very small equilibrium constant means ... a. an equal amount of reactants and products c. more products b. more reactants d. system isn't at equilibrium

What is in a banana? give me specifics?!