Question

mathematical example of law of conservation

Answer 1

hey,,,

When the flame was lit, oxygen gas from the room reacted with the candle wax to produce water vapor and carbon dioxide gas. If you massed the reactants oxygen and wax, it would equal the mass of the products water and carbon dioxide. 

10-gram ice cube melt within a closed container on a hot day. Though the ice cube will gradually changes forms, from liquid to vapor, the mass of the container will never change. Even once completely vaporized, the mass of the water in the system will be 10 grams.