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Problem- When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 31L of water for your group.
What volume of fuel should you bring? Assume each of the following: the fuel has an average formula of C7H16; 15% of the heat generated from combustion goes to heat the water (the rest is lost to the surroundings); the density of the fuel is 0.78 g/mL; the initial temperature of the water is 25.0 ?C; and the standard enthalpy of formation of C7H16 is -224.4 kJ/mol.
I just need a general explanation of it please- Thanks!
The heat capacity of a calorimeter is found to be 5.68 kJ°C-1. While a1.652-g sample of glucose, C6H12O6, is burned in the calorimeter, the temperature of the calorimeter increases from24.56°C to 29.10°C. Compute the ΔH for the following reaction
after the addition of 20.00 ml of 0.500 m standard koh solution to a 10.00ml sample of formic acid hcooh ka 1.8 x 10-4
Boron is to be converted into N-type by Phosphorous dopant, so that the resistivity at T = 100 C is 1.2 ohm-cm. all atom are fully ionized. calculate the doping density of Phosphorous and the resistivity of the sample at room temperature
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A solution of cough syrup contains 5.00% active ingredient by volume. If the total volume of the bottle is 70.0 mL, how many milliliters of active ingredient are in the bottle
Calculate the percent yield for a student who completed experiment 27A and collected the following data. Give your answer to two decimal places.
What will happen if all the solids in the nucleophile medium were not dissolved. How might this affect the outcome of the experiment
Determine the thickness needed to reduce the intensity of a beam of gamma rays to 1/4th of its initial intensity (in g/cm^2, in cm) for a 300 keV gamma ray in Al, and in Pb.
Each of the following contains ONLY ONE of the two chemicals indicated. what reagent would you use to identify which of the chemicals is present
For the character table for C2v, why are the symmetry operations (sigmav xz and sigmav yz) different between the Z translation and the Rz rotation. Maybe a picture or drawing would help.
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