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A 10.0 g piece of metal at 100 Degrees Celcius is transferred to a calorimeter containing 50.0 mL of water intially at 23.0 Degrees Celcius. Calculate the specific heat capacity of the metal if the heat capacity of the calorimeter, Ccal is 25.0 J/K. The final temp is 25.6 Degrees Celcius.
A corrosion potential of -0.299 V versus SCE was measured for a corroding alloy. what was the potential versus SCE
nitrogen and hydrogen form the compound NH3 how many hooks would dalton put on the nitrogen atom to explain this compound?
4.626g sample of hydrocarbon upon combustion yielded 6.484g of CO2, what is the % by weight of the carbon in the hydrocarbon
Calculate the equilibrium constant at 24 K for a reaction with ?Ho = 10 kJ and ?So = (-100) J/K. (Don't round unil the end. Using the exponent enlarges any round-off error.)
the presence of the radioactive gas radon rn in well water obtained from aquifers that lie in rock deposits presents a
Name the stereoisomers formed by oxidation of (S)-4-methylcyclohexene with osmium tetroxide.
Calculate the pH of a 1.3x10^-7 M solution of benzoic acid at 25°C. (The pKa of benzoic acid is 4.19 at 25°C. You may have to take into account the autoionization of water).
A hydrogen-filled balloon was ignited and 1.50 gram of hydrogen reacted with 12.0 g of oxygen. How many grams of water vapor were formed?
A N2 molecule at 20 C is released at sea level to travel upward. Assuming that the temperature is constant and that the molecules do not collide with other molecules, how far would it travel (in meters) before coming to rest
Calculate the equilibrium concentrations of H3O^+, A^-, and HA in a 0.040 M solution of the acid, along with the pH of the solution.
A buffer solution is prepared by mixing 50.0mL of 0.300 M NH3(aq) with 50.0mL of 0.300 M NH4Cl(aq). The pKb of NH3 is 4.74. NH3 + H20 ----> NH4+ + OH-
If desalinated water costs 2250 per acre-foot, how much does desalinated water cost per liter?
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