Determine the mass of NH4Cl that must be dissolved in 100. grams of H2O to produce a saturated solution at 70.°C.

Give two reasons why carbon is so interesting that it has a whole branch of chemistry set aside just to study carbon compounds.

To reduce the amount of CO2 that escapes from a bottle of carbonated beverage when you open the cap, you should Shake the bottle vigorously before opening the cap. Climb to the top of a tall mountain (reduced air pressure) before opening the cap.

Explain how a metamorphic rock to turn into a sedimentary rock

What is the lowest layer of the atmosphere and what is its highest altitude?

What is produce in all chemical reactions?

Which of the following radioactive emissions is the least penetrating, aloha particles, beta particles or gamma rays

The three major groups p On the periodic table are the

Which of the following has the greatest mass, in grams? a. 1 atom of lead (Pb) b. 0.5 mol copper (Cu) atoms c. 0.3 mol gold (Au) atoms d. 25 atoms of mercury (Hg)

Which one is not a sedimentery rock a.) sandstone b.) limestone c.) quartz d. (coal

Which group is more reactive than the alkaline earth metals?