Test-Bank-for-Chemistry-The-Central-Science,-10th-Edition-Brown

Chemistry, 10e (Brown) Chapter 1: Introduction: Matter and Measurement Multiple Choice and Bimodal 1) Solids have a shape and are not appreciably . A) definite, compressible B) definite, incompressible C) indefinite, compressible D) indefinite, incompressible E) sharp, convertible 2) is the chemical symbol for elemental sodium. A) S B) W C) So D) Na E) Sn 3) If matter is uniform throughout, cannot be separated into other substances by physical processes, but can be decomposed into other substances by chemical processes, it is called a (an) . A) heterogeneous mixture B) element C) homogeneous mixture D) compound E) mixture of elements 4) The symbol for the element potassium is . A) Pt B) P C) K D) S E) Ca 5) The symbol for the element magnesium is . A) Rb B) Mn C) Ne D) Si E) Mg 6) The initial or tentative explanation of an observation is called a(n) . A) law B) theory C) hypothesis D) experiment E) test 7) A concise verbal statement or mathematical equation that summarizes a broad variety of observations and experiences is called a(n) . A) law B) theory C) hypothesis D) experiment E) test 8) A separation process that depends on differing abilities of substances to form gases is called . A) filtration B) solvation C) distillation D) chromatography E) all of the above are correct 9) The SI unit for mass is . A) kilogram B) gram C) pound D) troy ounce E) none of the above 10) A one degree of temperature difference is the smallest on the temperature scale. A) Kelvin B) Celsius C) Fahrenheit D) Kelvin and Celsius E) Fahrenheit and Celsius 11) A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is ? A) km/hr B) km/s C) m/hr D) m/s E) cm/s 12) The unit of force in the English measurement system is 1b • ft . The SI unit of force is the Newton, which is s2 in base SI units. g • cm A) s2 kg • m B) hr 2 kg • m C) s2 g • m D) s2 E) g • cm s 13) Momentum is defined as the product of mass and velocity. The SI unit for momentum is ? A) kg • m s B) kg • m hr C) g • m s D) g • km s E) kg • km hr 14) The SI unit of temperature is . A) K B) °C C) °F D) t E) T 15) The temperature of 25°C is in Kelvins. A) 103 B) 138 C) 166 D) 248 E) 298 16) The freezing point of water at 1 atm pressure is . A) 0°F B) 0 K C) 0°C D) -273°C E) -32°F 17) A temperature of 400 K is the same as °F. A) 261 B) 286 C) 88 D) 103 E) 127 18) A temperature of K is the same as 63°F. A) 17 B) 276 C) 290 D) 29 E) 336 19) 1 nanometer = picometers A) 1000 B) 0.1 C) 0.01 D) 1 E) 10 20) 1 picometer = centimeters A) 1 × 1010 B) 1 × 1010 C) 1 × 108 D) 1 × 108 E) 1 × 1012 21) 1 kilogram = milligrams A) 1 × 106 B) 1,000 C) 10,000 D) 1,000,000 E) none of the above 22) "Absolute zero" refers to . A) 0 Kelvin B) 0° Fahrenheit C) 0° Celsius D) °C + 9/5(°F - 32) E) 273.15°C 23) An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 9.83 g. If the volume of this sphere is less than cm3 , then the sphere will sink in liquid mercury (density = 13.6 g/cm3 ). A) 0.723 B) 1.38 C) 134 D) 7.48 E) none of the above 24) The density (in g/cm3 ) of a gold nugget that has a volume of 1.68 cm3 and a mass of 32.4 g is . A) 0.0519 B) 19.3 C) 54.4 D) 0.0184 E) 32.4 25) The density of silver is 10.5 g/cm3 . A piece of silver with a mass of 61.3 g would occupy a volume of cm3 . A) 0.171 B) 644 C) 10.5 D) 0.00155 E) 5.84 26) The density of silver is 10.5 g/cm3 . A piece of silver that occupies a volume of 23.6 cm3 would have a mass of g. A) 248 B) 0.445 C) 2.25 D) 112 E) 23.6 27) A certain liquid has a density of 2.67 g/cm3 . 1340 g of this liquid would occupy a volume of L. A) 1.99 × 103 B) 50.2 C) 3.58 D) 35.8 E) 0.502 28) A certain liquid has a density of 2.67 g/cm3 . 30.5 mL of this liquid would have a mass of Kg. A) 81.4 B) 11.4 C) 0.0875 D) 0.0814 E) 0.0114 29) Osmium has a density of 22.6 g/cm3 . The mass of a block of osmium that measures 1.01 cm × 0.233 cm × 0.648 cm is g. A) 6.75 × 103 B) 3.45 C) 148 D) 6.75 × 103 E) 34.5 30) 3.337 g/cm3 = kg/cm3 A) 3.337 × 109 B) 3.337 × 105 C) 3337 D) 0.3337 E) 333.7 31) The number 0.00430 has significant figures. A) 2 B) 3 C) 5 D) 6 E) 4 32) The number 1.00430 has significant figures. A) 2 B) 3 C) 5 D) 6 E) 4 33) The correct answer (reported to the proper number of significant figures) to the following is . 6.3 × 3.25 = A) 20. B) 20.475 C) 20.48 D) 20.5 E) 21 ...................................................continued..........................................................