the volume of a gas is 450mL when it's pressure is 1.00 atm. if the temperature of the gas does not change, what is the pressure when it's volume is changed to 2.00 l?

What types of reactions must occur between amino acids in order for protein molecules to be formed?

Definition of a chemical property

Which of the following elements would be the least likely to form a cation if involved in a chemical reaction? chlorine (Cl) potassium (K) nitrogen (N) fluorine (F)

A sample has a mass of 35.4g and a volume of 36.82mL. What is the density of the sample

Empirical formula for C8H12O4

Convert 6.42 moles of H2O to molecules

An aspirin tablet contains 81.0 mg of aspirin, which has the molecular formula, c9h8o4.

What size container do you need to hold 0.0459 mol of N2 gas at stp

What happens when two or more atoms react?

If cobalt metal is mixed with excess sulfur and heated strongly, a sulfide is produced that contains 55.06% cobalt by mass. Calculate the empirical formula of the sulfide.