ok someone help me so me and my friend are fighting bc we both have a crush on someone and she keeps telling me to be with them but i just can't do this to her bc she's my friend and she likes that person too. so basically id-k what to do

What type of reaction fuels the processes seen here?

Heat is the total potential energy of a substance that can be transferred. true false

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ