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When cyclohexane (C6H12) is burned in excess oxygen to produce carbon dioxide gas and liquid water, it releases 3919kJ of heat per mole of cyclohexane burned. A) Write the balanced chemical equation that corresponds to this reaction. B) If 15g cyclohexane is burned in a calorimeter with a heat capacity of 230kJ/K, what temperature change do you expect (assuming that all the heat is deposited in the calorimeter)? C) How much heat is associated with the production of 5.5g water? D) What is the (Delta H(f)) of cyclohexane, given that the (delta H(f)) of H20(g) is -242 kJ, the (delta H(f)) of CO2(g) is -393.5kJ, the reaction CO2(s)=CO2(g) has a (delta H) of 25.2kJ and the reaction H20(l)=H20(g) has a (delta H) of 44kJ.
which of the following are oxidation reduction reactions? a)Ca(s)+F2(g)>CaF2(s) b)Fe(s)+2HCl(aq)>FeCl2(aq)+H2(g) c)2NaCl(aq)+Pb(NO3)2(aq)>PbCl2(s)+2NaNO3(aq) d)2CuCl(aq)>Cu(s)+CuCl2(aq)
Write the half reactions and the net cell reaction for the following cell. Calculate the cell potential. S.C.E. || MnO4- (aq, 0.035 M), Mn+2 (aq, 0.022 M), pH = 4.50 | Pt(s)
What did the student do wrong? If the solution had been prepared correctly to the desired 1.0 M concentration, what volume of this stock should be diluted to prepare 100.0 mL of a 1.0 mM working solution?
What is a good solvent substitute for ethyl acetate between diethyl ether, octane, octene, octyne, and acetone?
Commercially available concentrated sulfuric acid is 18M. calculate the volume of this acid that is required to prepare
What is the minimum wavelength of light needed to break the C-C bond? Could UV lamps be used to break the C-C bond?
Thermal measurements show that deltaH for the I---->II phase transition is -743.1 J/mole, and deltaS for the same transition is -17.0 J/K/mole. At what temperature are solids I and II in equilibrium
Calculate the de Broglie wavelength, in nm, of a baseball of 5.25 ounces with a speed of 97.0 mph
Since that food is not commonly consumed by the general public, what part of the population would be likely to suffer a biotin deficiency by way of consuming that food
At a pressure of 1.00 atm and a temperature of 20 degree Celsius, 1.72 g CO2 will dissolve in 1 L of water. How much CO2 will dissolve if the pressure is raised to 1.35 atm and the temperature stays the same?
A 125-g piece of metal is heated to 288 oC and dropped into 85.0 g of water at 26 oC. If the final temperature of the water and metal is 58.0 oC, what is the specific heat of the metal (J/goC)
Investigators have reported experimental observation of the He2 ‘complex' (i.e., a very weakly bonded molecule). The fact that the observation required temperatures in the neighborhood of 1 mK is consistant with computational studies that hcDe for..
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