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The temperature of a household refrigerator is maintained at 0C and the temperature of the room at 25C. The heat leaking into the refrigerator from the warm room is 8*10^6 J every 24 hours, enough to melt 50lb of ice in 50 hours. This heat must be removed from the refrigerator at 0C.Q: If an ideal Carnot refrigerator were available, how many watts would be required to operate it? The answer is 8.48 Watts if that helps.
at 700ordmc keq 0.0152 for the following reaction2so2g o2g ? 2so3gwhat is numerical value of the equilibrium constant
Calculate the amount (in mL) of a 1.520M NaOH that is required to add the following acetic acid solutions to prepare a buffer with the corresponding pH: pKa of acetic acid = 4.74
If the water in your well has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form
If 10.0mL of a 3.00x10-1 M Fe(NO3)3 in 0.500M HNO3 solution is placed in a volumetric flask and then diluted to 50.0mL total volume, what will be the concentration of Fe+3
Calculate the molality of a sucrose (C6H22O11) solution containing 14.3 g of sucrose in 676 g of water
determining the difference between vinylic & allylic hydrogens in a Cyclohexene, how many of each, what determines it?
Give the structures of a hydrocarbon that has six carbon atoms and a) three vinylic hydrogens and two allylic hydrogens b) three vinylic hydrogens and no allylic hydrogens
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case. A - 2.8*10^-3 M Fe(NO3)2 B - 1.6*10^-3 M MgBr2
Complete and balance the following redox equation using the smallest whole-number coefficients. What is the coefficient of Sn in the balanced equation
indicate whether each of the following solutions are acidic, basic, or neutral at 25 degrees C: a)[H3O^+]=6.0x10^-12 M b)[H3O^+]=1.4x10^-4 M c)[OH^-]=5.0x10^-12 M d)[OH^-]=4.5x10^-2 M
To a small degree, some of the fuel supplied in the United States contains 5% ethanol, C2H5OH. If the density of this fuel is 0.737 g/mL, what is the molarity of the ethanol (fuel) solution
Rxn of triphenylphosphine with benzyl bromide produces the corresponding phosphonium salt. Suggest a suitable mechanism for this rxn
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