What is thr pH of a solution of NaCl that has [H+] = 1.00 * 10-7 M

Why is mass more useful than weight for measuring matter?

Using this reversible reaction, answer the questions below: N2O4 2NO2 (colorless) (reddish-brown) - As the temperature increased, what happened to the N2O4 concentration? - Was the formation of reactants or products favored by the addition of heat?

Convert 1.5 mol Na to mass

What is the ph of a solution that contains 1.0 l of 0.10 m ch3cooh and 0.080 m nach3coo after 0.03 moles of naoh added?

What is a solution? a solid dissolved in a gas a solute and a solvent a liquid dissolved in a gas an amalgam of solids, liquids, and gases

Assuming that air contains 78 percent N2, 21 percent O2 and 1 percent Ar, all by volume. How many molecules of each type of gas are present in 1.0 L of air at STP?

Two children are playing tag. Child A who is doing the chasing can run 100m in 24 seconds Child B is running away from child A and can run 64m in 21 seconds.

What ion does a base increase

What is the definition of Amplitude?

An excess of NiCO3, 12 g, was added to 40cm cube of sulpheric acid, 2.0 mol/dm cube. The unreacted nickel carbonate was filtered out and the filtrate evaporated to optain the crystals.