Potassium (K) has an atomic number of 19. It often forms an ion by losing 1 electron. How many electrons would the ion have?

Is instant coffee compound solution or heterogeneous mixture?

Using the ideal gas law and stoichiometry calculations, determine the amount of zinc metal needed to produce 150 ml of h2 gas at 293 k via the oxidation reaction below

If a catalyst is used in a reaction: a. the energy of activation increases. b. the reaction rate does not change. c. the reaction rate increases. d. the equilibrium shifts.

According to the collision theory and model created to explain the collision theory, what is the best explanation for why a higher temperature makes a reaction go faster? 1. there are more collisions per miute 2.

Which of the following can be detected by forensic light sources

How many protons electrons and neutrons does 13C contain

Are all individuals in a population of animals or a population of plants identical

What is the valency of rhodium

If you were given 10.0 mL of 2.0 M H3X, how many milliliters of 2.0 M NaOH would it take to completely neutralize the acid?

What are some solid mixtures in a classroom