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A sample of methane, CH4, occupies 4.50 L at STP. How many moles of methane arepresent?
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How many O2 molecules are present in 0.470 g of oxygen gas?
Date posted: April 8, 2019 . Answers (1)
How many sulfur atoms are in 1.56 g sulfur?
Give the complete mechanism for each of the following reaction. Use curly arrowsto show movement of electrons.
Date posted: March 18, 2019 . Answers (1)
Starting with the compound on the left, outline the synthesis of the compound on theright. Show the structures of all reagents/intermediates in each synthesis
Given the reagents 1-bromoethane, magnesium, diethylether and ethyl acetate, showthe steps in the synthesis of 3-methyl-3-pentanol
Explain the contrast of water miscibility of alcohols with increase in the carbon chain.
Why do alcohols have much higher boiling points than hydrocarbons of comparable molecular weight?
In an experiment, 54.20 grams of phosphorus tribromide (PBr3) was reactedwith an excess of 2-methylpropanol (CH3CH(CH3)CH2OH). The reaction yielded 57.96 grams of 1-Bromo-2-methylpropane (CH3CH(CH3)CH2Br) and phosphoric acid (H3PO3), Write a blanced equation and calculate the percentage yield for the alkyl bromide. [H = 1, C = 12, P = 31, Br = 80]
Date posted: March 15, 2019 . Answers (1)