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An electrical motor is used to operate a Carnot refrigerator with an interior temperature of 0.00 C. Liquid water at 0.00 C is placed into the refrigerator and transformed to ice at 0.00 C
Part A: If the room temperature is 297K , what mass of ice can be produced in one day by a 0.50-hp motor that is running continuously? Assume that the refrigerator is perfectly insulated and operates at the maximum theoretical efficiency. delta H (H2O) = 6008 J mol^-1
What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride B. How many dots would be shown in the Lewis symbol for phosporus. Use a number, not a word.
one mole c12h22o11 is added to 0.150 kg of water and the water is heated to 100C. what is the vapor pressure of the solution at this temperature?
The ionization constants for sulfurous acid are Ka1 = 1.4*10^-2 and Ka2 = 6.3 * 10^-8. Species that need to be calculated (Molarity):
Rank each of the following measurements from smallest to largest
The products of our reaction (1- and 2-heptene) can form peroxides upon standing in air for a prolonged period of time
Calculate the pressure exerted by 1 mole of CO2 confined in 22.45L at 298K using van der waals
In electrophilic aromatic substitution, why does an amide group direct substitution to a position opposite to it on the aromatic ring. The N donates electron density to the ring by induction and destabilizes the intermediate that forms meta to it
A total charge of 96.5 kC is passed through an elctrolytic cell. What mass of silver metal will be produced from a silver nitrate solution?
Chemistry Reaction: 2LiOH + CO2 -> Li2CO3 + H2O Is the following equation balanced? Determine the number of atoms for each element in the reactants.
If 25.0 ml of 0.150 M Ba(OH)2 is required to react completely with 45.0 ml HCl solution, what is the molarity of the HCl(aq)
Descrbe the pH of a buffer soluton consisting of 100mL containing 0.1M CH3COOH and 0.125 CH3COO-, both before and after the additon
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25C. Calculate the pH at 25C for a solution formed by mixing 28.0 mL of 0.260 M HC5H3O3 and 23.0 mL of 0.21 M NaC5H3O3 and diluting the total volume to 125 mL.
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