Ca+HCI->CaCI2+H2, what is the reaction?

6 Li + N2 - -> 2 Li3N How much N2 is needed to make 1.34 moles of Li3N?

In an exothermic reaction: A. The forward reaction is slower than the reverse reaction B. the reaction rate will speed up with time. C. the collision energy of the reactants will be greater than that of the products D.

How many orbitals are in the p sublevel? a. 1 b. 3 c. 5 d. 7

Which of the following molecules contain double covalent bonds? a) ammonia b) carbon dioxide c) hydrogen chloride d) methane

What is the difference between valence and core electrons

Define the following terms: acids, bases, oxoacids, oxoanions, and hydrates.

Calculate the concentration of a solution that has 6.7 moles in a volume of 0.6 liters.

Is sidewalk cement an element or a compound?

1.4 Explain why it is important to support individuals to challenge information about services that may present a barrier to participation

Which describes energy changes during nuclear fission? A very large amount of energy is produced from a tremendous mass. EEUU A very large amount of energy is produced from a very small mass. G .