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When backpacking in the wilderness hikers often boil water to sterilize it for drinking. Presume that you are planning a back packing trip and need to boil 30 L of water for your group. Define 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 degrees C as well as the standard enthalpy of formation of C7H16 is-224.4kJ/mol
What is the balanced cell reaction for the following echem cell set-up. Pt(s) / PbO2(s) / Pb(NO3)2, HNO3 // Cr(NO3)3 / Cr(s)
With regard to the solutions you discarded in this experiment identify the compounds in the filtrate discarded in step 19.
What is the uncertainty in the position of the electron moving at 9.00x10^6 m/s. with an uncertainty of 0.01*10^6 m
How many moles of molecular oxygen are consumed by the complete combustion of one mole of the following compound?
Explain why the tensile strength decreases while the ductility increases during the annealing process.
Calculate the molar gibbs energy of fusion (melting) for water at -3degree and 1bar, given that Cp(s)=38J/kmol Cp(l)=75.3j/kmol
ammonia is both a donor and an acceptor of hydrogen in hydrogen-bond formation. draw a diagram showing the hydrogen
A sample of 0.0020 mole of HCl is dissolved in water to make a2000-mL solution. Calculate the molarity of the HCl solution,the [H3O+], and the pH.
Estimate the volume occupied by 2.76kg of methane at 325 K,10atm ,using the van der waals equation.
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0586 M), V2(SO4)3 (0.190 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
A laser pulse with wavelength 555nm contains 4.40mJ of energy. How many photons are in the laser pulse.
treatment of ortho-xylene with CH3COCl and AlCl3 followed by hydrolysis gives virtually a single product(one isomer). Treatment of this product with NaOCl in base followed by acidification gives a crystalline solid. Write equations for these react..
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