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# Chemistry OYO

### Module 1 - OYO

Question | Answer |
---|---|

1.1 A student measures the mass of a book as 12,321 g. What is the book's mass in kg? | 12.321 kg |

1.2 If a glass contains 0.121 L of milk, what is the volume of milk in mL? | 121 mL |

1.3 On a professional basketball court, the distance from the three-point line to the basket is 640.08 cm. What is this distance in meters? | 6.4008 m |

1.4 How many slugs are there in 123.5 kg? | 8.46 slugs |

1.5 If an object occupies 3.2 gallons of space, how many liters of space does it occupy? | 12.096 L |

1.6 A balloon is blown up so that its volume is 1,500 mL. What is its volume in kL? | 0.0015 kL |

1.7 If the length of a race car track is 2.0 km, how many cm is that? | 200,000 cm |

1.8 How many Mg are there in 10,000,000 mg? | 0.01 Mg |

1.9 A braggart tells you that he walks 100,000 cm each day. He expects you to be impressed with such a big number. Should you be impressed? Convert the distance measurement to miles in order to determine whether or not to be impressed. | 0.621371 mi. |

1.10 How many cm³ are in 0.0045 kL? | 4500 cm³ |

1.11 The area of a room is 16 m². What is the area of the room in mm²? | 16,000,000 mm² |

1.12 How many significant figures are in the measurements on page 21? | a. Five. c. Two. c. Six. d. Five. |

1.13 Convert the numbers on page 25 into scientific notation. | (a) 2.6789 x 10⁷ (b) 1.23 x 10² (c) 9.87 x 10⁻⁵ (d) 9.8 x 10⁻¹ |

1.14 Convert the numbers on page 25 from scientific notation to decimal form. | (a) 345,600,000,000,000 (b) 1234.1 (c) 0.0000345 (d) 0.31 |

1.15 The density of silver is 10.5 grams per cm³. If a jeweler makes a silver bracelet out of 0.081 kg of silver, what is the bracelet's volume in mL? | 7.7 mL |

1.16 A gold miner tries to sell some gold that he found in a nearby river. The person who is thinking about purchasing the gold measures the mass and volume of one nugget. The mass is 0.319 kg and the volume is 0.065 liters. | |

1.16(continued) Is this nugget really made out of gold? | No, because the density of the nugget is 4.91 grams per mL. |

Created by:
LiseBrinkley