What are valence electrons and why are they important?

What are the correct formulas and coefficients for the products of this double-replacement reaction? rboh + h3po4 → rb3po4 + 3h2o rbpo4 + 2h2o rb (po4) 3 + h2o h3rb + po4oh?

Laundry bleach is an aqueous solution containing 4.55% NaOCl by mass assume a density of 1.02 g/mL

The volume of a given quantity of a gas must increase if: A the temperature and pressure increase B the temperature and pressure decrease C the temperature increases and the pressure decreases D the temperature decreases and the pressure increases

The only positive ion found in H2SO4 (aq) is the (1) ammonium ion (3) hydroxide ion (2) hydronium ion (4) sulfate ion

The principle of conversion of mass is true a. only for reactions that take place in open systems b. only for reactions that take place in closed systems c. for reactions in both open and closed systems

Which item takes the most amount of water to produce

1. Which of the following two ingredients can combine to make a compound? a. Salt and water b. Hydrogen and oxygen c. Eggs and butter d. Sugar and water 2.

What are two ways climate can influence weathering?

A light has a wavelength of 4.10*10^12m. What is the Frequency?

If a compound has a molar más of 180g/mol and it's empirical formula is CH^2O, what is it's molecular formula?