3 moles of C4H10 weighs?

Particles of Substance X are dispersed in water to form a colloid. Which describes the electrical charges on the particles of Substance X? All the particles carry the same charge, which could be either positive or negative.

For the process O2 (g) →2O (g), ΔH° = 498 kJ·mol-1. What would be the predicted sign of ΔS°rxn and the conditions under which this reaction would be spontaneous?

Which energy position do electrons generally want to be in? the ground state the excited state the highest possible energy level the medium energy level

The spontaneous intermingling of atoms among different substances is accomplished by diffusion. a. True b. False

How many molecules of oxygen are found in 3.00 moles of oxygen

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.

An atom has seven valance electrons which element could have this type of atom

How is the ocean important to human survival? restate the question