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Chemistry, 21.06.2019 15:30
Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.
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Why do cells appear different in distilled water than they do in 10% salt water?
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Chemistry, 22.06.2019 20:50
What is the vapor pressure of a solution with a benzene to octane?
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Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
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In the reaction 2 C4H10 + 13 O2 > 8 CO2 + 10 H20, what is the ration of moles of oxygen used to m...
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