Burning one mole of propane according to the following reaction liberates 526 kcal of energy. If all of the coefficients are tripled, how much energy will be released? C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(I)

How many atoms are there in 5.70 mol of mg

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.

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)