The density of titanium metal is 4.51 g/cm^{3} at 25 °C. What mass of titanium displaces 125.0 mL of water at 25 °C?

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A cube of osmium metal 1.500 cm on a side has a mass of 76.31 g at 25 °C. What is its density in g/cm^{3} at this temperature?

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Liquid nitrogen boils at 77 K. Convert this temperature to degrees Fahrenheit and to degrees Celsius.

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Suppose that a recipe calls for an oven temperature of 400 °F. Convert this temperature to degrees Celsius and to kelvins.

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Many scientific data are reported at 25 °C. What is this temperature in kelvins and in degrees Fahrenheit?

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The temperature on a warm summer day is 87 °F. What is the temperature in °C?

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Make the following conversions: (f) 0 K to °F.

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Make the following conversions: **(e) **2500 °F to K.

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Make the following conversions: **(d) **315 K to °F.

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Make the following conversions: **(c) **233 °C to K.

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Make the following conversions: **(b) **216.7 °C to °F.

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Make the following conversions: **(a) **72 °F to °C.

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Use appropriate metric prefixes to write the following measurements without use of exponents: **(g) **1.84 x 10^{2} cm.

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Use appropriate metric prefixes to write the following measurements without use of exponents: **(f) **1.34 x 10^{-3} m.

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Use appropriate metric prefixes to write the following measurements without use of exponents: **(e) **15.7 x 10^{3} g.

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Use appropriate metric prefixes to write the following measurements without use of exponents: **( d ) **16.7 x 10^{6} s.

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Use appropriate metric prefixes to write the following measurements without use of exponents: **( c ) **1.85 x 10^{-12} m.

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Use appropriate metric prefixes to write the following measurements without use of exponents: **( b ) **4.7 x 10^{-6} g.

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Use appropriate metric prefixes to write the following measurements without use of exponents: **(a) **2.3 x 10^{-10} L.

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A match is lit and held under a cold piece of metal. The following observations are made: **(a) **The match burns. **(b) **The metal gets warmer. **(c) **Water condenses on the metal. **(d) **Soot (carbon) is deposited on the metal. Which of these occurrences are due to physical changes, and which are due to chemical changes?

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Label each of the following as either a physical process or a chemical process: **(e) **exploding of nitroglyerin.

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Label each of the following as either a physical process or a chemical process: **(d) **digesting a candy bar.

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Label each of the following as either a physical process or a chemical process: **(c) **pulverizing an aspirin.

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Label each of the following as either a physical process or a chemical process: **(b) **boiling a cup of water.

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Label each of the following as either a physical process or a chemical process: **(a) **rusting of a metal can.

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