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Pentane (C5H12) reacts with oxygen (02) to produce carbon dioxide and water. The reaction is very exothermic, with delta H = -353\ kj/mol. calculate ( with work shown) the heat of formation of pentane
The synthesis of Amyl acetate by alcohol and anhydride, there are some chemicals be provided: Potassium carbonate, Calcium carbonate, Sodium sulfate
The piston is then moved in and the heat rejected by the air reversibly at constant pressure until the volume is= initial volume. compute The net heat flow and the overall change in entropy?
Propose a synthesis of ethyl neopentyl ether, C2H5OCH2C(CH3)3, from an alkyl bromide and any other reagents
Combustion analysis of an unknown compound containing only carbon and hydrogen produced 1.1385 g of CO2 and 0.5805 g of H2O. What is the empirical formula of the compound
a 0.050m solution of glycerine c3h83 and a 0.050m solution of lycine c5h11no2 are prepared. which solution contains the
Upon further analysis, the compound is found to be 38.734% C and 61.266% F. What is the molecular formula of the compound? Draw the lewis structure
What is the complete ionic and net ionic equation for : Pb (NO3)2 + K2CrO4 = KNO3 + PbCrO4
A piece of metal that has a density of 5.2 g/cm3 and a mass of 100 g was placed in a full jar of water. How many mL of water spilled out of the jar?
When a 5.49-g sample of gaseous hydrogen bromide dissolves in 33.0 g of water in a coffee-cup calorimeter (see above figure) the temperature rises from 21.00 oC to 62.66 oC. Calculate H in kJ/mol HBr for the solution process.
How many bonds and how many lone pairs are around the sulfur of SO3? a double or triple bond counts as one bond
If the formula for magnesium fluoride is MgF 2 and the formula for potassium chlorate is KClO 3 , then what is the formula for magnesium chlorate?
What is the stoichiometric coefficient for oxygen when the following reaction is balanced using the smallest whole number coefficients?
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