In the cyanide ion (cn-), the nitrogen has a formal charge of

According to the kinetic-molecular theory, the collision between two ideal gas particles is a result of neither attraction nor repulsion. repulsion from the wall of the container. repulsion from other gas particles.

The limiting reactant in a reaction a. is the reactant for which there is the least amount in grams b. is the reactant which has the lowest coefficient in a balanced equation c. is the reactant for which there is the most amount in grams d.

Why is energy required for the boiling process?

a) How much heat is needed to convert one kg of feed water at 20oC into dry saturated steam at a pressure of 9 bar? Take specific heat of water as 4.187 kJ/kg K.

If 15.0 grams of ca combines completely with 12.0 grams of s to form a compound, what is the percent composition of s in the compound?

What is the volume of 20.0g of benzene (0.88g)

Which compounds have the empirical formula CH2O? A. C2H4O2 B. C3H6O3 C. CH2O2 D. C5H10O5 E. C6H12O6

An element is a pure substance. It can not easily be broken down into parts by physical means. A) True B) False

Sodium phosphate and calcium chloride react to form sodium chloride and calcium phosphate. If you have 379.4 grams of calcium chloride and an excess of sodium phosphate, how much calcium phosphate can you make?

What is the maximum number of electrons in the second electron shell, closest to the nucleus?