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The complete combustion of octane, C8H18, the main component of gasoline, proceeds as follows:
2 C8H18(l) + 25 O2(g)----->16 CO2(g) + 18 H2O(g)
(a) How many moles of O2 are needed to burn 1.50 mol of C8H18?
(b) How many grams of O2 are needed to burn 10.0 g of C8H18?
How much energy is needed to warm 0.500 g of silver from 25.0 degree C to 27.5 degree C? The specific heat of silver is 0.24J /g. degree C
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he 1.00 l at 300. torr ne 1.00 l at 0.527 atm ar 2.00 l at 45.0 kpa. assuming the connecting tubes have negligible
suppose you accidently add too much naoh during the titration. you then add a volume of hcl exactly equal to frac12 the
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30.0 mL of water at 24.5 °C was mixed with 40.0 mL of water at 40.0 °C. If the specific heat of water is 4.184 J/g °C and no heat was absorbed by the calorimeter, then the final temperature is _____ °C. (Report to the proper number of significant ..
Which of the following wave functions are eigen functions of the operator d^2/dx^2? If they are eigen functions what is the eigen value? b) sin (2?x/a)
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