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Chemistry, 22.06.2019 09:10
How have the greenhouse gasses increased from the year 2000 to 2018
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Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
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What relationship exists between an enzyme and a catalyst?
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When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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