The substances that are present before any chemical reaction are called

How many orbitals are in the 3s subshell?

How many liters of o2 at 298 k and 1.00 bar are produced in 1.25 hr in an electrolytic cell operating at a current of 0.0500 a?

A 0.1873 g sample of a pure, solid acid, h2x was dissolved in water and titrated with 0.1052 m naoh solution.

Identify what is oxidized in Mg (s) + Cu (NO3) 2 (aq) - - > Mg (NO3) 2 (aq) + Cu (s)

The equation represents the decomposition of a generic diatomic element in its standard state. 12X2 (g) ⟶X (g) Assume that the standard molar Gibbs energy of formation of X (g) is 5.61 kJ·mol-1 at 2000. K and - 52.80 kJ·mol-1 at 3000. K.

When studying atoms, scientists can ignore the force between charged particles that make up the atoms because it is many millions of times smaller than other forces in the atom.

How should a stopper be handled after is has been removed from a reagent bottle?

Which of the following would most likely contain carbon? a. trees b. uranium c. water d. salt

Water becomes a gas. what step is this?

If 125 mL of a 1.1 M glucose solution is diluted to 500.0 mL, what is the molarity of the diluted solution? Express your answer using two significant figures.