What happens to the reactants when a chemical reaction takes place?
a. they all remain intact.
b. they are destroyed, or consumed by the reaction.
c. their chemical bonds are broken and rearranged.

What metric units would you use to measure the thickness of a key

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 percent by mass iron (ii) nitrate solution react with excess aluminum metal? show all work needed to solve this problem!