For real gases, how does a change in pressure affect the ratio of PV to nRT?

a. The ratio decreases as pressure increases.

b. The ratio increases as pressure increases.

c. The ratio is constant at all pressures.

In water, HCN is a weak acid with pKa = 9.6. a. Calculate the the Ka and the [H+] in a 0.15 M solution of HCN. b.

Consider the reaction between HCl and O2: 4HCl grams + O2 - 2 H2O liquid + 2 Cl2 grams When 63.1 grams of HCl react with 17.2 g of O2, 49.3 grams of Cl2 are collected. What is the limiting reactant?

The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 4000 years? ... ?

the maximum number of electrons in each type of sublevel (s, p, d, and f, respectively

Can a element be decomposed by chemical means

What information does a net ionic equation give that a complete ionic equation does not show

What is the molality of a solution containing 4.0 moles of solute in 3.2 kg of solvent? Round to the nearest tenth. Don't forget the units.

What is the name of a binary compound made up of lithium and chlorine?

A scientist in London and a scientist in California both conducted independent investigations that produced similar results.

When magnesium combines with oxygen, the reaction involves a. a conversion of protons into electrons. b. sharing of electrons between Mg and O. c. transfer of electrons from Mg to O. d. transfer of electrons from O to Mg.