Chemistry, 20.05.2021 18:00 jamiesong3501
A 1.20-g sample of a compound gave 2.92 g of CO2 and 1.22 g of H2O on combustion in oxygen. The compound is known to contain only C, H, and O. What is its simplest formula?
Answers: 3
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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What produces wave a)sound b) heats c)transfer of energy d)vibrations
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Chemistry, 22.06.2019 22:30
Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.
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Chemistry, 22.06.2019 23:00
What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
Answers: 3
A 1.20-g sample of a compound gave 2.92 g of CO2 and 1.22 g of H2O on combustion in oxygen. The comp...
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