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Problem- Dry air is bubbled through 25.0 liters of water at a rate of 15.0 liters (STP)/min. The air leaving the liquid is saturated with water at 25 degrees celsius and 1.5atm.
Draw and label a process flow diagram
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The delta G inital for the dissociation of an aqueous solution of a weak acid at 25 degrees celcius is 14.8 kJ. What is the calue of Ka for the acid?
What was the wavelength of the second photon emitted?
1) How many photons having a wavelength of 3.00 mm would have to be absorbed by 1.55 g of water to raise its temperature by 1.00 °C
Calculate the cell potential after the reaction has operated long enough for the [Al3+] to have changed by 0.40 mol/L. (Assume T = 25°C.)
The X-ray radiation falls in the wavelength region of 1.00E-11 to 1.00E-8 meters. Explain what is the energy of X-ray radiation that has a wavelength of 1.00E-11 m
Explain what products would you observe if you tried to prepare a Grignard reagent from 4-bromo1-butanol. They give us a hint that says 4-hydroxybutylmagnesium bromide isn't the final product.
If Sodium hypochlorite (NaClO) is the active ingredient in household laundry bleach. Explain what is the pH of 0.43 MNaClO?
The reaction between 0.0459g of magnesium with excess of HBr was carried out in an ice calorimeter. The volume of water in the calorimeter decreased by 0.18mL during the reaction.
A solution containing 26.50mg of an unknown protein per 29.5mL solution was found to have an osmotic pressure of 3.75torr at 13C. What is the molar mass of the protein
An electrochemical cell has an Eocell of 1.70 V and transfers 2 moles of electrons. The Faraday constant is 96,485 C/mol e-. What is the value of delta G
Problem- Sufficient strong acid is added to a solution containing Na2HPO4 to neutralize one-half of it. what will be the pH of this solution. Explain
you pour 1 liter of water into a thermally insulated electrically heated teapot which you then plug in. how long will
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