ANSWER QUICK how many grams of hydrogen gas will be produced if you start with 15.0 grams of zinc and an excess amount of HCl?
answer with explanation

What will most likely happen when two bromine atoms bond together?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices