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Question- How do I calculate the fuel expense of a fuel per k/J? I have the density and the cost per gallon, for example methanol is $6.24 per gallon?
Show all work. Use an ice table.
If 5.00 of the unknown compound contained 0.167 of and 0.333 of , how many moles of oxygen, , were in the sample
Problem- Part a) Calculate the change in enthalpy, in kJ, for the combustion of 6.75 moles of C6H14 in oxygen. Report your answer in scientific notation (X.XXEX) with three significant figures. Do not include units in your answer. The enthalpy of ..
1. using a sample of a compound of c and o2 having 3.00g of c and 8.00 grams of oxygen calculate the mass percent of
Describe the technique you would use to determine the density of approximately 5 gram samples of the following at 20 degrees celcius and 1 atmosphere pressure
Explain what mass of sodium phosphate would have to be added to 1.0 L of this solution to completely eradicate the hard water ions? Presume complete reaction.
Calculate the expected pH of 0.05 M HAc, 0.05 M Ac-, and 0.05 M HAc/0.05 M Ac- after the addition of 1 mL 1.0 M NaOH to each.
How much water must be added to 562 mL of 0.200 M HCl to produce a 0.148 M solution? (Assume that the volumes are additive.)
A gas expands and does P-V work on the surroundings equal to 281 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
A gaseous mixture contains 407.0 Torr of H2 , 377.5 Torr of N2 , and 83.3 Torr of Ar , calculate the mole fraction, X, of each of these gases . X H2 : number
question 1 a the density of mercury is 13.595 g cm-3 . what will be this value in si units?b give the si units and
assume that due to dwindling supplies of crude oil andnatural gas the us embarks on a plan to implement thehydrogen
Estimate the mass of water that must evaporate from the skin to cool the body by 0.50^circ C. Assume a body mass of 85 kg and assume that the specific heat capacity of the body is 4.0 {rm{J}}/{rm{g}}; cdot ;^circ {rm{C}}.
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