Determine the pH of an HNO2 solution of each of the following concentrations:

a) 0.110 M

b.) 1.50 * 10-2 M

Oxalic acid is a diprotic acid. calculate the percent of oxalic acid (h2c2o4) in a solid given that a 0.7984-g sample of that solid required 37.98 ml of 0.2283 m naoh for neutralization.

In a voltaic cell made of a Ag strip and an Al strip immersed in 1.0 M aqueous AgNO_3 and Al (NO_3) _3 solutions, respectively, with all other cell components in place, the Al strip is oxidized, thereby losing mass as the voltaic cell operates.

What is cytokinesis in the cells of a plant?

Hearing sight and sound are an example of that u can use to make observations

What did theodor schwann do? for the cell theory (what is the theory)

Should a bartender use ice and scoop directly from ice machine or use an ice holding device and scoop to make drinks and refill drinks from

What classification should this reaction have? 4Al + 3O2 → 2Al2O3

If you start with 100 grams of a radionuclide, how much will you have after two half-lives have passed?

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?