What are sig figs in chemistry.

At this temperature, 0.300 mol H 2 0.300 mol H2 and 0.300 mol I 2 0.300 mol I2 were placed in a 1.00 L container to react. What concentration of HI HI is present at equilibrium?

What happens to the equilibrium when the pressure increased

Silver nitrate and calcium chloride react to form calcium nitrate and silver chloride. Balance the equation.

What is the concentration of hydronium ions in a solution at 25 c with ph 4.282?

The pH of a strong base is 12.2 at 25 degrees. what is its hydroxide-ion concentration?

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons