Which of the following is the correct name for MgCl2? magnesium chlorine
magnesium dichlorine
magnesium chloride
magnesium dichloride

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Element before carbon on the periodic table

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.