20 POINTS but only to the right answer What conclusions can you draw about the identity of gas produced in the chemical reaction of vinegar and baking soda? Write an evidence-based claim.

Will mark brainliest how many electrons can be held in the energy level n = 4?

How many moles of oxygen react with 12 moles of aluminum

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