ahhh science unit 8

How is an equation described if the number of atoms of each element in the products equals the number of atoms of each element in the reactants?

balanced

What is the universal solvent because it can dissolve more things than any other substance?

water

Which substance is completely consumed in a chemical reaction?

a limiting reactant

Why is ice melting not a chemical change?

a new substance is not formed

What conducts electric current in solutions?

electrolytes

How is a reaction described when a chemical reaction uses up energy?

endothermic

What is striking a match an example of?

providing activation energy to a chemical reaction

What must products equal in a chemical equation?

reactants

An exothermic reaction _____ energy.

releases

The solubility of a solute is the largest amount of solute that can dissolve in a certain quantity of __________.

solvent

Which type of reaction occurs without being started by some outside force?

spontaneous reaction