# Chemistry Ch.3 Review: Question Preview (ID: 32742)

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Convert 342 L to gallons. |
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a) 90.6 gal | b) 1450.1 gal | c) 80.7 gal | d) none of the choices | |

Density is found by dividing __________. |
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a) mass by volume | b) volume by mass | c) mass by area | d) area by mass | |

What is the density of an object having a mass of 7.2 g and a volume of 34 mL? |
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a) 0.21 g/mL | b) 4.7 g/mL | c) 244.8 g/mL | d) none of above | |

Which of the following volumes is the smallest? |
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a) one microliter | b) one liter | c) one milliliter | d) one deciliter | |

What is the quantity 0.0097 meters expressed in centimeters? |
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a) 0.97 cm | b) 9.7 cm | c) 0.097 cm | d) 97 cm | |

What is the temperature -48 degrees Celsius in kelvins? |
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a) 225 K | b) 321 K | c) -225 K | d) none of the choices | |

Express the sum of 8.79 m and 6.0 m using the correct number of significant figures. |
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a) 14.8 m | b) 14.79 m | c) 15 | d) none of the choices | |

How many significant figures are in the measurement 54,500 mg? |
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a) 3 | b) 4 | c) 5 | d) 2 | |

Which of the following measurements contains two significant figures? |
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a) 0.00067 L | b) 0.00670 L | c) 0.00607 L | d) 0.00600 L | |

What is the result of adding 4.5 x10^3 and 2.7 x 10^2? |
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a) 4.77 x 10^3 | b) 4.77 x 10^2 | c) 3.15 x 10^3 | d) 3.15 x 10^2 | |

The diameter of a carbon atom is 0.000000874 m. What is this number in scientific notation? |
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a) 8.74 x 10^-7 | b) 8.74 x 10^7 | c) 87.4 x 10^-6 | d) 87.4 x 10^6 | |

What is the closeness to a true value? |
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a) accuracy | b) precision | c) absolute zero | d) weight | |

If you are traveling at 85 miles per hour, how fast are you traveling in meters per second? |
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a) 38 m/s | b) 136787.6 m/s | c) 124.7 m/s | d) none of the choices | |

The quantity of matter an object contains is ________________. |
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a) mass | b) volume | c) weight | d) none of the choices | |

The SI scale for temperature is _________________. |
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a) Kelvin | b) Celsius | c) Fahrenheit | d) none of the choices | |

The force of gravity on an object is called ________________. |
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a) weight | b) mass | c) volume | d) none of the choices | |

Express 52,600 km in scientific notation. |
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a) 5.26 x 10^4 | b) 5.26 x 10^-4 | c) 52.6 x 10^3 | d) 52.6 x 10^-3 | |

What is the result of multiplying 3.4 x 10^9 by 4.3 x 10^-6? |
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a) 1.5 x 10^4 | b) 14.6 x 10^3 | c) 1.5 x 10^15 | d) 14.6 x 10^14 | |

Which group of measurements is the most precise? |
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a) 2 g, 2.5 g, 3 g | b) 2 g, 3 g, 4 g | c) 2.0 g, 3.0 g, 4.0 g | d) none of the choices | |

What is the measurement 233.008 mm rounded off to four significant digits? |
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a) 233.0 mm | b) 233 mm | c) 233.01 mm | d) 230 mm | |

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