Determine which conversion factor is needed to solve the following problem: How many liters of ammonia gas (NH3) can be formed from 60.4 liters of hydrogen gas (H^2) at STP according to the following chemical equation? 3 H^2 (g) + N^2(g) → 2 NH^3 (g)​

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

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.