Multiple ChoiceIf the density of an unknown gas Z is 4.50 g/L at STP, what is the molar mass of gas Z?27views
Multiple ChoiceTwo liquids, Medium 1 and Medium 2, are placed in separate containers. Medium 1 has a mass of 50 g and a volume of 40 mL, while Medium 2 has a mass of 60 g and a volume of 80 mL. Which medium is more dense?14views
Multiple ChoiceA piece of wood measures 4 in × 6 in × 3 in and has a mass of 80 grams. What is its density in g/cm^3? (1 in = 2.54 cm)40views
Multiple ChoiceWhich of the following methods can be used to determine the density of an object?47views
Multiple ChoiceWhich of the following demonstrations best shows that solid water (ice) is less dense than liquid water?32views
Multiple ChoiceWhich statement best describes the relationship between sparging in the lauter tun and the specific gravity of the wort?29views