What does it mean when there are 2.3 x 10-4 moles?

What happens to the valence electrons as you go across the periodic table?

if 115 G of a substance reacts with 84 grams of another substance what will be the mass of the products after the reaction

The superheated water vapor is at 15 MPa and 350°C. The gas constant, the critical pressure, and the critical temperature of water are R = 0.4615 kPa·m3/kg·K, Tcr = 647.1 K, and Pcr = 22.06 MPa.

In a solution, the solvent particles are attracted to the solute particles by: a) ion/dipole forces b) dipole/dipole forces c) van der Waals forces d) any or all of these forces

What volume would be occupied by 120 grams of argon gas (ar) at standard conditions?

Describe a change caused by kinetic energy as well as a change caused by potential energy.

Which is more concentrated, a solution (1) prepared by dissolving 21.0 g of naf (0.500 mol) in enough water to make 500 ml of solution or a solution (2) prepared by dissolving 10.5 g (0.250 mol) of naf in enough water to make 100 ml of solution?

Hi i need hel does any one know what P3N2 means?.-.

How does thermal energy transfer when a room is heated by a furnace?

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