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Question- At a certain temperature, the equilibrium constant for the following chemical equation is 2.00. At this temperature, calculate the number of moles of NO2(g) that must be added to 2.88 mol of SO2(g) in order to form 1.20 mol of SO3(g) at equilibrium.
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Question- The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 14.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.
a solution containing ethylene glycol and water has a vapor pressure of 7.88 torr at 10oc. pure water has avapor
Water solubilities of oxalic acid and sodium oxalate at RT are 10g/100 ml and 3.7 g/100 ml respectively. Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate, cooling it to room temperature, and filtering the resulting mixtu..
The enthalpy of neutralization of HCl with NaOH is -55.8 kJ/mol when very dilute solutions are mixed, but is -58.2 kJ/mol when 2M solutions are mixed, as in this experiment. The reaction is
Consider the titration of 30.0 of 0.035 with 0.030 . Calculate the after the following volumes of titrant have been added.
A student titrated 25.00 mL of 0.1014M HCL solution with an NaOH solution of unknown concentration.
Consider a Ag/AgCl reference electrode that includes a saturated KCl solution as the filling solution. Calculate the activity of Cl- in the filling solution.
State condensed structural formulas for all five carbon aldehydes and ketones and the molecular formula is C5H10O
Nitrogen dioxide decomposes according to the reaction 2NO2(g) 2NO(g) + O2(g) where Kp = 4.48 × 10-13 at 25°C. What is the value for Kc?
Question- Please explain how the changing of the column temperature influences the separation of two compounds with similar retention times
A voltaic cell that uses reaction: PdCl4^2-(aq)+Cd(s)-->Pd(s)+4Cl-(aq)+Cd^2+(aq) has a measured standard cell potential of +1.03V 1. Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cel..
Determine the mole fraction of HO2CCH2CHOHCO2H in this solution?
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