PLEASE HELP For the following chemical reaction, what mass of silver iodide, Agl, (in grams) will be produced from 3.11 mol of calcium
iodide, Cal ?
Cal, + 2 AgNO, — 2 AgI + Ca(NO3)2

How many moles of gas are present if p=11 atm, v=12l, t=185k?

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.