Enter an equation to show how HC2O4-

H

C

2

O

4

-

can act as an acid with HS-

H

S

-

acting as a base.

Refer back to equation (2), and consider carefully whether you could simply have used the pH value of the solution at the very beginning of the titration, before any base had been added, to determine either or both the molar mass and the Ka value.

Lines on a map joining places that have the same temperature?

If the [H+] changed from [1 x 10-7] to [1 x 10-4], what is the new [OH-]? 1 x 10-7 1 x 10-4 1 x 10-3 1 x 10-10

The net ionic equation for the reaction of aqueous iron (|||) ions and aqueous hydroxide ions.

A balloon is filled with helium gas. What will happen as the average kinetic energy of the helium particles increases? The balloon will decrease in total volume. The temperature of the balloon will decrease.

How do you get dencity?

The materials created from a chemical reaction are called A. reactants. B. products. C. coefficients. D. none of the above.

Organic compounds ALL contain the element carbon. Which organic compound, used for stored chemical energy, contains carbon, hydrogen, oxygen, and often phosphorous?

In a polar molecule, which atom will have the greatest partial negative charge? A) the smallest atom B) the least electronegative atom C) the largest atom D) the most electronegative atom

Why is portion control important