Chemistry, 08.10.2019 20:30 wonderwonder2748
What is the molecular formula of a compound with the empirical formula no2 and a molar mass of 138.02 grams per mole
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How does a large body of water, such as the ocean, influence climate?
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What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
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The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide
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Chemistry, 23.06.2019 03:00
Air pressure is measured in pascals. for a professional american football game, the ball should be inflated to about 90,000 pascals. scientists studied the effects of air temperature on the pressure inside american footballs by taking these steps: 1. prepare 100 footballs. 2. measure each football's air pressure. 3. divide footballs into 10 groups. 4. place the groups in different lockers cooled to different air temperatures. 5. after 12 hours, remove the footballs from lockers. 6. measure each football's pressure again. 7. compare the new pressures to the starting pressures. what two terms best describe the variable "air pressure inside the football" in this experiment? independent, qualitative independent, quantitative dependent, qualitative dependent, quantitative
Answers: 3
What is the molecular formula of a compound with the empirical formula no2 and a molar mass of 138.0...
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