Chemistry, 18.01.2020 03:31 ThatTrashPanda
Kobe is testing whether 100 g of substance a, 100 g of substance b, or 100 g of substance c produces more oxygen in a chemical reaction at 25â°c. what is the independent variable? a) the nature of the substances. b) the masses of the substances. c) the amount of oxygen produced. d) the temperature of the substance.
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Chemistry, 21.06.2019 21:30
The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?
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Chemistry, 22.06.2019 07:20
2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here
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Chemistry, 22.06.2019 20:30
Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that
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Kobe is testing whether 100 g of substance a, 100 g of substance b, or 100 g of substance c produces...
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