44) 40. °C is equal to ________ K. A) 313B) 293C) 263D) 233 45) A liquid boils at 68 °F at one atmosphere pressure. This is equal to ________ K. 46) Which is the lowest temperature? 7
47) Which of the following is the hottest temperature? 48) Which of the following is coldest temperature? A) -40 °CB) -40 °FC) 210 KD) All of the above are the same. 49) The correct order of decreasing temperatures in the set below is ________. 50) Which of the following temperatures are not possible? 51) The units of density for a liquid are usually expressed as ________. 52) What is the density of a piece of wood that weighs 62 grams and displaces 0.525 L of water? A) 120 g/mLB) 0.12 g/mLC) 0.0080 g/mLD) 8.5 g/mL53) If the density of aluminum is 2.70 g/ cm3, the mass of 10.0 cm 3 of this material is ________. 8
54) The density of a 4.0 cm3sample of a metal is 11.3 g/cm3. What is the density of 8.0 cm3sample of the same metal? 55) A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder. Suppose the following three liquids were placed in the same tall, narrow glass cylinder:SUBSTANCEDENSITY g/mLvinegar1.01motor oil0.87corn syrup1.36The substance that should be placed first in the cylinder so that it is on the bottom is ________. 56) The density of copper is about 8.96 g/mL. This means that a certain mass of copper will ________. A) occupy the same volume as the same mass of waterB) occupy a volume 8.96 times larger than the volume occupied by the same mass of waterC) occupy a volume that is 8.96 times smaller than the volume occupied by the same mass of waterD) always occupy a volume of 8.96 mL57) Ethanol has a density of 0.789 g/mL. This means that a certain volume of ethanol will ________.
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