Question

What procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?
DrBob222
You could use a closed system. Weigh the material initially, let the reaction take place and weigh the system again. It would weigh the same. Look up the experiment by Lavoisier when he decomposed HgO under a Bell Jar.
Squid
It’s physical change not chemical
Correct
Find the mass of a piece of ice. Let the ice melt. Find the mass of the liquid water.
helper
find the mass of an acid and a base. combine them to produce water and a salt. find the mass of the water and the salt.
kit
Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?