What is the molar mass of nitrogen?

What is the mass of snow (in tons) on a 150.0ft by 45.0 ft flat roof after a 6.0 inch snowfall? Assume that 11 inches of snow is equivalent to 1.0 inches of water. The density of water is 1.00g/ml.

I need the word for this definition, behavior in which a scientist does not follow the law

The radii of the sodium and potassium ions are 102 pm and 138 pm, respectively. which compound has stronger ionic at - tractions, sodium chloride or potassium chloride?

What net force will make a 5 kg bowling ball accelerate by 1.5 m/s2

Air pollution from automobiles and industrial power plants can be a source of chemical weathering due to the formation of A. soil. B. acid rain. C. iron oxides. D. calcium carbonate.

Vitamin A is a very large organic molecule composed of twenty atoms of carbon, one atom of oxygen and thirty atoms of hydrogen. How many atoms total are in TWO molecules of vitamin A. Select one: 84 68 34 102

How many moles of nitrous oxide gas (N2O) is contained in 20.0 L balloon at a pressure of 1.09 atm and a temperature of 298K?

If a wave produced by a fireworks explosion is that light wave or sound wave

What kind of electrons are involved in chemical bonding?

When a solid changes to gas, what is it called?