Determining the heat capacity
The molar heat capacity of a gas at constant pressure is 18.7J mol-1 K-1. What is the heat capacity of 9.4 moles of this gas at constant volume?
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Determine the equilibrium constant for the gas phase T= 298k , 1 atm total pressure , mixture of hydrogen , iodine and hydrogen iodide.
What is the frequency of the photons emitted by hydrogen atoms when they undergo transitions from n=5 to n=3.
The titration of a 25 ml sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine the following? the initial pH, the volume of added base required to reach the equivalence point
A 0.10 M solution of lactic acid, a monoprotic acid of formula HC3H5O3, was found to have a pH of 2.43. What is the value of Ka for the acid and the percent ionization?
A 0.24ml sample of a weak acid with an unknown pKa was combined with 12.0ml of a 3.20M KOH and the resulting was diluted to 1.500L. The measured pH of the solution was 3.75. What is the pKa of the weak acid
Calculate (a) the work done when the gas expands isothermally against a constant external pressure of 200 Torr until its volume has increased by 3.6 dm3.
Identify the sets of quantum numbers that describe all the electrons in a neutral beryllium atom, \rm Be. Each set is ordered
Do you think you can calculate the % of ethanol in the distillate by comparing an average boilling point of the 5 ml portion which comprise the distillate
The value of Kp for the reaction is 4.3x10^4 at 648 K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900 atm N2 and 0.500 atm H2 at 648 K.
Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the exp
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