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Calcluate the energy required to convert 1.70g of ice originally at -12.0 oC into stream at 105oC. The other two answers on this site are completely different from the solutions manual. Does this mean the solution manual is not always right, because I believe the other two answers are coorect.
Briefly explain why it was not necessary for you to determine the mass of unknown liquid that you transferred to the flask before heating.
Write an equation for the reaction of semicarbazide with acetophenone to form a semicarbonazone. What is the melting point of this derivative?
Chlorine gas is to be heated from 100oC and 1 atm to 200oC a. Calculate the heat input (kW) required to heat a stream of the gas flowing at 5 kmol/s at constant pressure
Fe(s) + 2HCL(aq)goes to FeCl2(aq) + H2(g) Change in enthalpy is -87.9kJ. How much heat is liberated at constant pressure if .368 g of iron reacts with 18.8mL of 0.568 M HCl?
What volume of 0.0852 M Sr(OH)2 solution is required to neutralize 25ml of 0.155 M HF?
Determine the capacity of this buffer solution for resisting pH change when acid is added. Assume the volume does not change
A 4.82-L sample of carbon monoxide is collected at 55°C and 0.833 atm. What volume will the gas occupy at 1.05 atm and 25°C?
Consider a 15.0 mL sample of a ternary mixture composed of 25% (by volume) octane, 35% chloroform and 40% 2-propanol. Use the following information to convert volume composition to molar composition:
Calculate the pH of each of the following solutions. (a) 0.500 M HONH2 (Kb = 1.1 10-8) (b) 0.500 M HONH3Cl
Consider a two state system with a difference in energy of 200 cm^-1. What is the temperature of the system if there are 5 particles in the ground state and 10 in the excited state
Complexes of a given metal with ligands higher in the spectrochemical series like CN- will display _______ crystal-field splitting and will absorb light towards the ____ end of the spectrum.
If I burn 0.315 moles of hexane (C6H14) in a bomb calorimeter containing 5.65 liters of water, what's the molar heat of combustion of hexane is the water temperature rises 55.4 ºC? The heat capacity of water is 4.184 J/g ºC .
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