Is there multiple choice answers?
An increase in the frequency of effective collisions because it is these collisions that cause reactants to change to products
Answer:
Instead, pour a small amount into a beaker or clean weigh dish. Once you have added a chemical to a container, label it promptly. When you are finished with the experiment, dispose of the excess chemical as chemical waste. Do not simply pour the excess chemical down the sink.
Answer:
try to calcutlae on paper
Explanation:
try to calculate on paper
Ok so basically you take an Ionic table and see if the charges for each compound cancel each other out. If they dont, add a subscript so the negative and positive charges cancel each other out. Then check of there is the same number of molecules on each side of the equation. i.e. nacl + cu-> cucl2 +na
On the product side there is 2 more chlorine than on the reactant side. so you would put a number in from of each compound until there is the same number of every molecule on all sides. i.e. 2nacl + cu -> 2na+ cucl2