What is the sign of a chemical reaction

What overall charge must all compounds have

How many molecules are found in 1.32 mol of nacl?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.