What causes the pressure at sea level if there's "nothing" on top of you

A reaction container holds 5.77 g of P4 and 5.77 g of O2. The following reaction occurs: P4 + O2 → P4O6. If enough oxygen is available then the P4O6 reacts further: P4O6 + O2 → P4O10. a. What is the limiting reagent for the formation of P4O10? b.

If you bubbled carbon dioxide through water, what would the new pH of the solution be?

Are there molecules of sodium chloride within a sodium chloride crystal?

What is the number of moles of 27.6g of lithium?

Is carbon dioxide a reactant

Ocean constitutes most of ___ of water a) Evaporation b) Precipitation c) Condensation d) Transpiration e) Sublimation Don't choose a random letter.

In the reaction, Zn + HCl-> ZnCl2 + H2, 25 grams Zn are reacted with 17.5 grams HCl. How many grams of H2 will be produced? A. 0.382 g of H2 B. 0.479 g of H2 C. 0.7865 g of H2 D. 0.484 g of H2

Is nail varnish soluble?

What is the periodic trend for atomic size from top and bottom in a group? From left to right in a period?

Which planets' orbits is the belt located between the main asteroid belt?