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A physical change ____occurs when iron rusts.occurs when glucose is converted into energy within your cells.occurs when water is evaporated.occurs when sugar is heated into caramel.QUESTION 2Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3.23.6 mL42.4 mL31.2 mL87.9 mLQUESTION 3How many mg does a 690. kg sample contain?6.90 × 107 mg6.90 × 10-3 mg6.90 × 106 mg6.90 × 108 mg  QUESTION 4Which of the following statements about the phases of matter is TRUE?In both solids and liquids, the atoms or molecules pack closely to one another.There is only one type of geometric arrangement that the atoms or molecules in any solid can adopt.Liquids have a large portion of empty volume between molecules.Solids are highly compressible.  QUESTION 5What answer should be reported, with the correct number of significant figures, for the following calculation?  (965.43 × 3.911) + 9413.41361.32 × 104131891.319 × 10413189.2 QUESTION 6Decanting is _____dissolving a solid into a liquid.separating a solid from a liquid by pouring off the liquid.a process in which the more volatile liquid is boiled off.pouring a mixture through a filter paper to separate the solid from the liquid.  QUESTION 7The density of air under ordinary conditions at 25°C is 1.19 g/L. How many kilograms of air are in a room that measures 11.0 ft × 11.0 ft and has an 10.0 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm340.8 kg0.152 kg3.66 kg4.08 × 104 kgQUESTION 8Which of the following represents a chemical property of hydrogen gas?It is gaseous at room temperature.It is tasteless.It is less dense than air.It reacts explosively with oxygen. QUESTION 9How many cm3 are contained in 3.77 × 104 mm3?3.77 × 106 cm33.77 × 1020 cm33.77 × 101 cm33.77 × 10-10 cm3QUESTION 10The outside temperature is 35°C, what is the temperature in K?95 K308 K31 K63 K

What is heat capacity