Which is a property that can be used to identify matter?
element
softness
density
all of the above

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.

Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants