I WILL GIVE BRAINLIEST IF YOU ANSWER heres the question:

Although we talk about all equations in theory as being balanced, in reality there are times when it is advantageous to have an excess of one of the reactants. Why?​

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

State one important difference between a physical change and a chemical change?

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands