Exam 1: Matter and Measurements

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Barium sulfate is described as a white crystalline solid that melts at 1580°C and decomposes at 1600°C.At a temperature of 500°C,you would expect a sample of barium sulfate to be a

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95.0°F is the same as

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If 75.0 g of water at 30.0°C absorbs 900 calories,the new temperature will be

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125 cL is the same as all of these except

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The conversion factor used to convert 15.0 inches to cm is

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What is the volume of a gold nugget that weighs 2.20 kg? The density of gold is What is the volume of a gold nugget that weighs 2.20 kg? The density of gold is

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What is the symbol for tungsten?

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If gasoline sells for 95.4 cents per liter,what is its cost on a per gallon basis? 1 L = 1.06 qt

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Which choice best describes the degree of uncertainty in the measurement 4.0032 g?

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How long is 1 cm?

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Which of the following is a physical property?

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What is the mass of 30.0 mL of a solution with a density of 1.60 g/mL?

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Which of the following represents the largest unit?

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A laboratory technician reports that the mass of a growth removed from a patient is 274.06 g.How many significant figures does this measurement contain?

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A chemist is given an unknown gas sample.Which observation describes a chemical property of the sample?

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In scientific notation,the number 0.0046 is expressed as

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Vegetable oil is a(an)________,and is found in the ________ phase.

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What is 0.0970 written in scientific notation?

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A reddish powder is heated gently in a loosely covered container.After the heating a silvery metal remains in the container,and a glowing wooden splint placed into the container bursts into flame.The original substance is a(an)________,and the solid and gas produced are ________.

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Which is an example of matter?

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