What are the three broad classes of elements

2C4H10 + 13O2 - --> 8CO2 + 10H2O What is the mole ratio of butane to carbon dioxide in the reaction shown above? A. 1:4 B. 2:13 C. 4:5 D. 13:8

In most cases of fischer esterification, the carboxylic acid is the more "valuable" piece and the alcohol is used in excess. let's say you are making the ethyl ester of an acid and use the ethanol in excess.

How many atoms are in 437g of silver

Which of these is an element? A) air B) Carbon dioxide (CO2) C) water (H20) D) carbon (c)

Whats is the difference between oxygen and neon

If you have 39 g of sodium azide in an air bag [2nan3 (s) - > 2na (s) + 2n2 (g) ], then how many molecules of nitrogen gas will it make at stp?

If 1 mol of a gas in a container occupies a volume of 12 l at a pressure of 1 atm, what is the temperature of the gas in kelvins?

200 lb/in" = ? tons/ft?

What variable is not used in the combined gas law

What is bromic acid