The minimum amount of energy required to overcome the energy barrier in a chemical reaction is the

A. heat of reaction.

B. activation energy.

C. Kinetic energy of the reactants.

D. enthalpy of the products.

How many grams of tin are found in 3.5 moles of tin

Which of the following is the largest contributor to the salt ions in the ocean? Select one of the options below as your answer: a. sodium b. chloride c. sulfates d. calcium

The number of moles of electrons needed to produce one mole of Mg metal from MgCl2? A) 1 B) 2 C) 3 D) 4 E) 5

Why is potassium chloride is soluble in water?

How do I balance this equation? Cr2O3 (s) + C (s) →Cr (s) + CO (g)

What do chemists use to describe a chemical reaction

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?

Using density what is the mass in grams of 150mL of a liquid with a density of 1.4 g/mL

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.