Calculate [h ], [clo4-], and [oh-] in an aqueous solution that is 0.175 m in hclo4 (aq) at 25 °c.

How is blood different after it is pumped through the gills? Select all that apply. It has less carbon dioxide than when it entered the gills. It has more oxygen than when it entered the gills.

A student collects 625 mL of oxygen at a temperature of 24°C and a pressure of 0.899 atm. How many moles of oxygen did the student collect?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, velocity velocity, height height, position

Which of these is a pure substance? A-iced tea B-sugar C-ocean water D-a penny I think it's sugar but I don't know

If you can walk 2.1 miles in 35 minutes, how many days will take you to con the United States (3350 mi) if you walk 8 hours a day

The electron configuration for an atom is 1s22s22p2. How many electrons does the atom have? 4 2 6 5

When a piece of sodium carbonate reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then the solution turns milky and a white precipitate Y is formed a. Write the chemical formula of X, Y and (3) b.

Would precipitation occur when 500 mL of a 0.02M solution of AgNO3 is mixed with 500 mL of a 0.001M solution of NaCl? Show your work.

What compound is always part of an aqueous solution?

How did scientists carry out research before and after the scientific revolution?