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The propane fuel (C3H8) used in gas barbeques burns according to the following thermochemical equation:
C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)ΔH°rxn=-2044kJ
If a pork roast must absorb 1700kJ to fully cook, and if only 14% of the heat produced by the barbeque is actually absorbed by the roast, what mass of CO2 is emitted into the atmosphere during the grilling of the pork roast?
Question- Combustion of 5.000g of an unknown hydrocarbon resulted in 15.14g of CO2 and 7.751g of H2O. What is the empirical formula of this compound
explain what is the farthest the vehicle could travel if it gets 20.0 miles per gallon on liquid gasoline. Presume the average molar mass of molecules in gasoline is 108g/mol , the density of liquid gasoline is 0.75 g/mL, the pressure is 741mmHg a..
alculate the volume of .7000 M NaOH required to convert all of the phosphoric acid to sodium dihydrogen phosphate. What is the concentration of the sodium dihydrogen phosphate in the final solution
Depict an orbital diagram of the oxidation of Aluminum. Begin atomic symbol of Al. Symbol of the element. Does Aluminum loose or gain electrons
An aqueous solution of a compound with a very high molar mass was prepared in a concentration of 24.5 g·L-1 at 25 °C. Its osmotic pressure was 0.264 ·102 Pa. Calculate the molar mass of the compound.
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
if water is added to magnesium nitride ammonia gas is produced when the mixture is heated. if 10.3 g of magnesium
Chemicals available for extractions: CH2CL2, 1M NaOH, 1M HCL and sodium sulfate for drying
How do you rationalize the ordering of the following pairs in the spectrochemical series
Which of these given nutrients is likely to limit production if the light supply is adequate and there is no nitrogen fixation?
Calculate the molar solubility of AgBr in 4.0 M NH3. Kf for Ag(NH3)2 is 1.7 x 10^7 and Ksp for AgBr is 5.0x10^-13 5. What is the pH at the equivilaence point when 45 mL of 0.125 M acetic aced is titrated with 0.225 M NaOH? Ka for acetic acid is 1.7..
Olive oil is completely burned in oxygen at 100.3oC according to: C57H104O6(l) + 80O2(g) ? 57CO2(g) + 52H2O(g) ?Hrxn = -31150 kJ Calculate the change in the internal energy ?E "?U" (in kJ)
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