Anyone have course hero account i need help! if you have a course hero account please give me your login or please look up "Phase Change Gizmo Answer Key" it would really help me out thanks :)

also stop answering with bot links its annoying

Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?