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the heat of combustion of butane is -2878kj/mol assume a typical cigarette litter hold about 1.75 grams of butane how much energy would be released if all the butane in the lighter were to be combusted
Calculate the amount of heat required to heat a 3.6 kg gold bar from 25 C to 64 C. Specific heat capacity of gold is 0.128 j/g C.
How many grams of diphenyl (C 12H10) must be dissolved in 655 g of benzene to lower the freezing point by 3 .20ºC.
Calculate the energy in joules and calories required to heat 24.0g water from 20.0C to 27.7C
Determine the Volume of air and partial pressure of nitrogen, oxygen, water vapor and air
The average person generates about 2500 Kcal of heat a day. How many kilowatt-hours of energy is this? If walking briskly dissipates energy at 500 W, what fraction of the day's energy does walking one hour represent.
what volume of 0.366M Ni(NO3)2 is required to completely react with 55.8 ml of 0.500M Na2CO3.
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
If 3.25ml of vinegar needs 40.0 of 0.130M NaOh to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.30qt sample of this vinegar.
a 0.5224-g sample of an unknown monoprotic acid was titrated with 0.0998M of NaOH. the equivalence point of the titration occurs at 23.82ml. Determine the molar mass of the unknown acid
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