Is oxygen gas (O2) a compound or an element? Is hydrogen gas (H2) a compound or an element?

What is the chemical compound of common kitchen table condiment salt?

Consider this system at equilibrium. A (aq) - ⇀ ↽ - B (aq) Δ H = + 850 kJ/mol What can be said about Q and K immediately after an increase in temperature?

What volume of sulfur trioxide would be produced by reaction of 2.56 L of oxygen with excess sulfur at STP?

Create a graph of y=2x-6. Construct a graph corresponding to the linear equation y=2x-6.

What is the function of a hypothesis in the scientific inquiry process?

The characteristic flame test colors of metal ions are due to atomic emission spectra. Duscuss the relationship between the absoption and emission of light and the factors responsible for flame test colors.

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.