2. An object is traveling at a speed of 7 500.0 cm/sec. What is this value in km/day? 3. Diamonds are measured in units called a carat. One carat equals 200 mg. If a diamond is 0.600 carat, what is the mass of the diamond in ounces? 1 pound = 16 ounces - 1 kg = 2.205 pounds 4. A sign in a town gives the speed limit at 50.00 km/hr. What is this speed in cm/sec? 5. Chemists have determined that 18.0 g of water consists of 6.02x1023 molecules. Assumi that a teaspoon holds 3.70 mL of water, determine the number of molecules in 1.00 teaspoon of water. 1 g of water = 1 mL of water to be 145.3 m/sec. What is the rocket's

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.