A student wants to make HgS. They add 23 grams of Hg and 0.95 grams of S. How many moles of each element have they added?

What state of matter is ice a. liquid b. element c. solid d. gas

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

What information does a complete ionic equation give that the balanced equation doesn’t show?