How many electrons would be neede to equal the mass of one neutron

What are centimeters, kilometers, and millimeters

A 50.0 - mL sample of 1.50*10-2 M Na2SO4 (aq) is added to 50.0 mL of 1.28*10-2 M Ca (NO3) 2 (aq). What percentage of the Ca2 + remains unprecipitated?

Elaborate on how the nuclear model of the atom is an improvement on previous models

Consider this reaction: 2Cl2O5 (g) - ->2Cl2 (g) + 5O2 (g) At a certain temperature it obeys this rate law. rate = (17.4 M - 1. s - 1) [Cl2O5]2 Suppose a vessel contains Cl2O5 at a concentration of 1.46M.

Why does the insolubility of benzene and water in each other cause each liquid to exert its own vapor pressure when a mixture of benzene and water undergo steam distillation?

What is the pH of a solution with [H+] = 7.0 x 10^-2?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false

In a chemical reaction, 300 grams of reactants are combined with 100 grams of reactant b. both a and b react to completion. how much will the product weigh

If log x = - 0.761. What does x equal

Can humans can live without using natural resources.