Given the reaction: Cu + 4 HNO3 -> Cu(NO3)2 + 2 H20 - 2 NO2 What is the total mass of H2O produced when 32 grams of Cu are completely consumed?

Find the number of moles of argon in 364g of argon.

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

8. what happens to matter during a chemical reaction