# PV Density: Question Preview (ID: 7076)

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What is density? |
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a) The amount of matter in an object. | b) How tightly matter is packed into an object. | c) How tall an object is. | d) The amount of space an object takes up. | |

If a cube has a density of 50, and you cut the cube in half, what is the density of the new cube? |
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a) 25 g/cm3 | b) 100 g/cm3 | c) 15 g/cm3 | d) 50 g/cm3 | |

What is the density of water? |
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a) 1 g/cm3 | b) 4 g/cm3 | c) 2 g/cm3 | d) -1 g/cm3 | |

Calculate the density of the following object with a mass of 120g and a volume of 30mL. |
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a) 40 g/cm3 | b) 1200 g/cm3 | c) 60 g/cm3 | d) 4 g/cm3 | |

Calculate the density of an object with a mass of 50g and a volume of 5mL. |
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a) 10 g/cm3 | b) 1 g/cm3 | c) 25 g/cm2 | d) 250 g/cm2 | |

What is the correct formula for density? |
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a) d= mass X volume | b) d= volume/mass | c) d= mass/volume | d) none of the above | |

If an element has a density of 47.5 g/cm3, will it sink or float in water? |
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a) the object will sink to the bottom. | b) the object will float right under the surface of the water. | c) the object will float in the middle. | d) the object will float on top of the water. | |

Calculate the density of an object with a mass of 10 g and a volume of 40mL. |
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a) .25 g/cm3 | b) 4 g/cm3 | c) 400 g/cm3 | d) 40 g/cm3 | |

Why does an air bubble rise to the surface of a glass of water? |
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a) The air is more dense than the water. | b) The air is less dense as the water. | c) The air has the same density as the water. | d) The water i a thicker substance. | |

What is the formula for volume? |
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a) v= mass x density | b) v= density/mass | c) v=mass/density | d) we have not learned that. | |

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