Which describes the molecular behavior of a solid? i think it's a, but im not sure

a. molecules vibrate around a fixed point.
b. molecules are too far apart to affect each other.
c. molecules have the greatest energy of motion.
d. molecules are rigid and do not move.

Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

Ineed ! it’s science and it’s due tomorrow!