The following reaction shows the products when sulfuric acid and aluminum
hydroxide react.
2Al(OH)3 + 3H2SO4 → Al2(SO4)3 + 6H20
The table shows the calculated amounts of reactants and products when the reaction
was conducted in a laboratory.

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products