객관식Which of the following sets of tools would be best for measuring the density of a small piece of silver ore?110views
객관식Two liquids, medium 1 and medium 2, are placed in separate containers. Medium 1 has a mass of 50 g and a volume of 25 mL, while medium 2 has a mass of 60 g and a volume of 40 mL. Which medium is more dense?92views
객관식Vegetable oil has a density of 0.92 g/cm^3. Which of the following substances would float on vegetable oil?167views
객관식Which state of matter typically has the highest density? (Note: water is an exception to this trend.)127views
객관식Copper has a density of 8900 kg/m^3. If a copper atom loses one electron to become Cu^+, what fraction of its electrons has been removed?144views