What is the mass of a wooden block with a density 2.0 and a volume of 7.0? (Need answer ASAP!!)

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules