Help Please All substances taking part in a certain interaction are shown below: (5 points)

Calcium Carbonate is written after that an equal to sign is shown followed by Calcium Oxide followed by an addition sign followed by Carbon dioxide. Just below Calcium Oxide 112 grams is written and just below Carbon dioxide 88 grams is written

Which of the following is the correct estimate of the amount of calcium carbonate used in the interaction?
Sum of 112 g and 88 g
Difference between 112 g and 88 g
Twice the sum of 112 g and 88 g
Twice the difference between 112 g and 88 g

What is the formula for the molecular compound nitrogen monoxide

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.