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For a particular reaction deltaH= 168.1kJ and delta S= -55.8J/K. Calculate deltaG for this reaction at 298K in kJ.
What can be said about the spontaneity of the reaction at 298K?
(1) spontaneous in the reverse direction
(2) spontaneous as written
The conditions of a gas change in a steady flow process from 20 degrees C and 1000 kPa to 60 degrees C and 100 kPa. Devise a reversible nonflow process
Which compound is more reactive toward electrophilic substitution e.g nitration? Explain you reasoning.
Dry air at 1.0 atm is passed over a high voltage electric discharge (~15,000v) to convert 0.85% O2 to O3. The ozonized air is then euilibrated withwater at 25 degrees celcius in a vessel which contains
Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost
The CO 2 produced in one round of the citric acid cycle does not originate in the acetyl carbons that enter that round. Create a diagram of the TCA cycle to illustrate the answers to questions 1a and 1b.
A metal is electrolyzed from aqueous solution by using an electrical current of 1.23 A for 2½ h, and 3.37 g of metal is deposited. In a separate experiment the number of electrons used for the reduction of the metal is 2.
Explain Vapor Pressure of Ideal Solutions, At 25C the vapor pressures of chloroform and carbon tetrachloride are 26.54 and 15.27 kPa respectively. If the liquids form ideal solutions
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
Ammonium nitrate is a common ingredient in chemical fertilizers. Use the reaction shown to calculate the mass of solid ammonium nitrate that must be used to obtain 0.200 L of dinitrogen oxide gas at STP.
A syringe containing 1.64mL of oxygen gas is cooled from 95.9°C to 0.8°C. What is the final volume of oxygen gas?
Give the reaction scheme, showing the products formed (before hydrolysis), when one equivalent of ethylmagnesium bromide is treated with one equivalent of 5-hydroxy-2-pentanone
Determine the rate constant for each of the following first-order reactions. In each case, write the rate law for the rate of loss of A. a) 2 A B + C
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