List the ions that exist in each of these solutions: HCl (aq), NaOH (aq). CuSO4 (aq).

How many grams of NaOH are needed to make 500 mL of a 2.5 M NaOH solution

Convert 27 moles of O into atoms 4.5 x 10^ - 23 atoms 1.6 x 10^25 atoms 2.2 x 10^22 atoms 1.7 atoms

In the formula for water (H2O) what does the subscript 2 indicate?

You have a gas at 453 mm Hg with a volume of 700 mL and a temperature of 25 °C, what will the temperature of the gas be, if you change the pressure to 278 mm Hg and a volume of 1200 mL?

A scientist who studies properties of matter such as gravity, motion and acceleration

You are on an alien planet where the names for substances and the units of measures are very unfamiliar. Nonetheless, you obtain 19 quibs of substance called skvarnick.

How do you know if an element is an ion?

Which gas is not a greenhouse gas, A methane, B Water Vapor, C, Carbon dioxide, D, Nitrogen, E, Ozone

A very small equilibrium constant means ... a. an equal amount of reactants and products c. more products b. more reactants d. system isn't at equilibrium

What is in a banana? give me specifics?!