Determine the quantity of heat produced
Determine the quantity of heat produced when 3.2 g of butane is completely combusted in air and many cigarette lighters contain liquid butane (C4H10) by using the enthalpies of formation.
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The equilibrium-constant expression for a gas reaction is Write down the balanced chemical equation corresponding to this expression.
Copper is extracted from the chalcopyrite, CuFeS, ore. Determine the numbers of kilograms of a 0.862% chalcopyrite ore will be necessary to form the .00 kg of pure copper?
Assume that a reaction takes place at 325 K and 335K when the rate constant of some reaction double with every 10 degrees rise in temperature. What must the activation energy be for the rate constant to double as described?
If the activation energy is 104kJ/mol determine the temp in degrees Celsius at which its rate constant is 8.80x10-4, the rate constant of a first-order reaction is 4.60x10-4 at 615degrees Celsius.
Fans arriving on given Saturday night for non-conference home basketball game average 0.33 per second. Let x represents number of fans arriving at specified time period.
Determine the molar mass of the acid when a 3.715g sample of a monoprotic acid was dissolved in the water. It took 17.52 mL of a 0.1459 M NaOH solution to neutralize the acid.
Calculate the rate constant for this reaction if a solution containing 0.2 M CH3CH2Cl and 0.05 M NaSCN reacts to give CH3CH2SCN and NaCl with an initial rate of 5* 10-9 Ms-1.
Determine the melting point of ice under a pressure of 50 bar. Suppose that of liquid water is 1.00 g/cm3 and the density of ice under these conditions is approximately 0.92 g/cm3.
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