Approximately how many elements are represented on the periodic table?

6co2, 6h2o, and energy are the result of aerobic respiration.

NaCl (s) → Na + (aq) + Cl - (aq) entropy increasing or decreasing?

Explain how you would prepare a saturated solution of sugar in water. how would you them make it a supersaturated solution?

Elements of compounds exchange to form two different compounds in which type of reaction?

A 18.00 g candy bar is found to contain 11.00 g of sugar. How many mg of sugar does the candy bar contain?

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?