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Problem- Under standard conditions, the Gibbs free energy of the reactants G, std(reactants) in a redox reaction in aqueous solution is 360.02 kJ and the Gibbs free energy of the products G, std(products) is 124.52 kJ. The number of moles, n, of electrons transferred in the redox reaction is 2. Calculate the standard cell potential E,zero for a voltaic cell utilizing this reaction at 25degC. Enter your answer as a number of volts with two decimal places.
I am not able to determine the correct answer for the above question please helps me to get the correct answer
1. how much heat is required to warm 123 g of water by 23.0 degrees c?2. the temperature of 55.6 grams of a material
Based on the first and fourth sketches(Part C figure) , what is the density of the block? First sketch shows mass of the block = 50g. Second sketch shows block completely immersed in water(at 20 degree Celsius), mass of block now = 5.6g and densit..
Liquid butane C4H10 , the fuel used in many disposable lighters, has delta Hfinal=-147.5 kj and a density of 0.579 g/ml . Use Hess's law to calculate the enthalpy of combustion in kJ/mol.
Why would you observe a pure rotational spectrum in the microwave region and a rotational-vibrational spectrum rather than a pure vibrational spectrum in the infrared region
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
Problem- A sample of C2H2(g) has a pressure of 8.2kPa . After some time a portion of it reacts to form C6H6(g). The total pressure of the mixture of gases is then 4.8kPa. Assume the volume and the temperatures do not change.
what is the pH of the benzoic acid solution prior to adding sodium benzoate? B. how many grams of sodium benzoate should be added to prepare the buffer? neglect the small volume change that occurs when the sodium benzoate is added.
what is the equation for ninhydrin test of egg white?
While mercury is very useful in barometers, mercury vapor is toxic. Given that mercury has a DHvap of 56.9 kJ/mol and its normal boiling point is 356.7°C, calculate the vapor pressure in mm Hg at 25°C. the answer is 4.29 x 10-3 mm Hg
1. an empty drum weighs 1.035 kg and when filled with benzene it weighs 5.418kg.nbspnbsp if the density of benzene is
This reaction's half life is 35.0 at 680C. If you had 520 mmHg of phosphihne in an 8.00 L flask, how long does it take for the pressure in the flask to rise to standard pressure
Elements are always arranged in order of increasing atomic weights. Metallic properties increase going from bottom to top in a family of elements.
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