If you need to find the number of moles of air in a scuba tank

filled to a pressure of 22,000 kPa at 295K, and the volume of the

tank is 30 L, which equation would you use?

When the nonelectrolyte glucose is dissolved in water, the solution contains___.

35 Given the balanced equation representing a reaction:Al2 (SO4) 3 + 6NaOH = = > 2Al (OH) 3 + 3Na2SO4 The mole ratio of NaOH to Al (OH) 3 is (1) 1:1 (2) 3:1 (3) 1:3 (4) 3:7

If an energy level has each of these types of orbitals, then how many copies of it does it contain? Also, if each copy of an orbital can hold up to 2 electrons, then how many total electrons in that type of orbital are present in the energy level?

The chemical equation shown here is an example of what type of reaction? 2hclo4 (aq) + mg (oh) 2 (s), ↔ mg (clo4) 2 (aq) + 2h2o (aq)

How would you seperate a mixture of marbles corks and nails?

2CO + 2NO yields 2CO2 + N2 which element was oxidized

What what is any harm to the physical chemical or biological health of the ocean ecosystem

In what pH range do most biochemical reaction occur

Which formula equation shows a reversible reaction? a. 2Na+F2-> 2NaF b. CaCO3-> CaO+CO2 c. NH4CI (s) - -NH3 ( g.+HCI ( g. 2H2O2 (aq) - pt-> 2H2O (I) + O2 (g)

When a sample of gas is cooled in a sealed, rigid container, the pressure the gas exerts on the walls of the container will decrease because the gas particles hit the walls of the container (1) less often and with less force (2) less often and with