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Ammonia NH3 (g) forms according to the recation 1/2 N2 (g) + (3/2) H2(g) = NH3 (g). some N2(g) and H2(g) are placed in a constant volume reaction chamber with partial pressure of 1atm and 3atm respectively at 298.15K. a. determine the partial pressures of each gases at equilibrium. b.determine the equilibrium constant at 350.15 K
What is the [H3O+] and the pH of a buffer that consists of 0.21 M HNO2 and 0.57 M KNO2? (Ka of HNO2 = 7.1*10^-4) Define What is the component concentraion ratio
How many moles of N2 are produced by the decomposition of 1.40 of NaN3 ?
(a) How many mL of KOH will it take to reach the equivalence point? (b) Calculate the pH at the equivalence point. The Ka of HClO is 3.8 x 10-8.
Although the vibrational degrees of freedom are generally not in the high-T limit, is the vibrational partition fuction evaluated hy discrete summation?
If your absent minded lab partner spilled deionized water into your NaOH solution, diluting it, would the Ka value you determine for the solid weak acid be greater than
Briefly comment on the effect of solution concentration on cell potential. Note that E knot is measured using 1M solutions,
Which of the following species is present in the greatest concentration in a 0.100 M H2SO4 solution in H2O
A mixture of camphor and water boils at approximately 99.1?C. At this temperature the vapour pressure of water is 736 mmHg. Calculate the percentage of camphor and water in the steam distillate by number of moles.
Calculate the molality of C2H5OH in a water solution that is prepared by mixing 50.0 mL of C2H5OH with 108.4 mL of H2O at 20°C. The density of the C2H5OH is 0.789 g/mL at 20°C. (Assume the density of water at this temperature is 1.00 g/mL.)
Cobalt Chloride in varying concentrations Spectrophotometer set to a Wavelength = 510 nm % Transmission = experiment #1 = 31.62, experiment #2 = 89.13 and experiment #3 = 98.86
Which of the following statement(s) describes the pressure of gas? a) the force of gas partials on the walls of the container; b) the number of gas particals in a container; c) the volume of the container; d) 3.00 atm; e) 750 torr.
If the width of a spectral line of a certain electronic transition is 1.00 cm-1, what is the minimum uncertainty in the lifetime of the transition?
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