ANSWER ASAP GIVING BRAINLIEST FIVE STARS AND A HEART! Btw this is 6th grade science! Answer the following with 5 or more sentences:
What are some ways light can be produced?

What is the mass of sodium in 3 moles of sodium chloride

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?