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Concept explainers
Interpretation:
The result of increasing the Kelvin temperature by a factor of 2 at constant pressure and moles of the gas through the given diagrams I to IV has to be described.
Concept Introduction:
Charles’s Law tells that the relationship between temperature and volume of a gas. The law states that at constant pressure the volume of a fixed amount of gas is directly proportional to the temperature in Kelvin units. The mathematical expression for the relationship between volume and Kelvin temperature according to the Charles’s law can be shown as follows,
Where,
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Chapter 7 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- For the following reaction 3 experiments have been run and the data collected is in the following table @ 35 degrees Celsius 2 NO2F(g) ---> 2 NO2(g) + F2(g) Experiment [NO2F], M Rates, M/s 1 0.263 0.168 2 0.349 0.223 3 0.421 0.269 a) How long will it take for a 65% NO2F solution to become a 31% NO2F solution @35 degrees Celsius?(Hint: Use mass ratios and assume ~1g/ml for density of solutions to get you started) b) It has been determined that at 75 degrees Celsius the rate constant is 1.046 s-1. Calculate the activation energy for the decomposition of NO2F. [Hint: ]ln?1?2=?a?(1?2―1?1) c) What is the half-life of a 35% solution of NO2F @ 35 degrees Celsius?arrow_forwarddefine the equilibrium constant KP for the chemical equilibrium ofideal-gas mixtures?arrow_forwardIf experimental determinations of Kp at different temperatures for a given equilibrium in the temperature range 20-40 °C are fitted to the function shown below: In K, = a T2+c In() (a = 123.5 K?; = 23.6) %3D Answer the following questions: Calculate Kw at 5°C, assuming that AH° is temperature independent.arrow_forward
- What is the michaeli's equation??arrow_forwardTwo solutions, 250.0 mL of 1.00 M CaCl2(aq) and 250.0 mL of 1.00 M K2SO4(aq), are combined, and the temperature decreased by 2.40 degrees C. Determine qrxn per mole of CaSO4(s) formed in the reaction. A) +12.0 kJ/mol B) -12.0 kJ/mol C) +6.00 kJ/mol D) -6.00 kJ/molarrow_forwardA mouse is placed in a sealed chamber with air at 754.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 2.00 L, the temperature is held constant at 295 K. After two hours the pressure inside the bottle falls to 717.4 torr. What mass of oxygen has the mouse consumed?arrow_forward
- Calculate ΔG for the reaction H2O(l) ⇆ H+(aq) + OH−(aq) at 25°C for the following conditions. [H+] = 3.1 M, [OH−] = 4.7 ×10−4 Marrow_forwardUsing the formula V₁D₁ = V₂D2, what volume of a 1/100 (10-2) dilution would you need to produce 100 mL of a 1/10000 (10-4) dilution? (Note: provide your answer in decimal format to three decimal places.)arrow_forwardA quantity of gas in a piston cylinder had a volume of 0.539 m^3 and a pressure of 200 Pa. the piston compresses the gas to 0.222 m^3 in an isothermal (constant-temperature) process. What is the final pressure of the gas?arrow_forward
- (a) What is the specific volume of a gas at 1 250 kPaa and 33 C when its density is 0.715 kg/m3 at 101.325 kPaa and 0 C. [3 decimal places] (b) Calculate its gas constant and approximate molecular weight. [whole number]arrow_forwardThe following reaction plays a key role in the destruction of ozone in the atmosphere: Cl(g)+ O3 (g)-> ClO(g)+O2 (g) Given the standard molar entropies (S°) below, calculate the ΔS for this reaction. S°C1O = 218.9 J/mol*K S°O3 = 238.8 J/mol*K S°Cl = 165.2 J/mol*K S°O2= 205.0 J/mol*K _______ J/K = ΔSarrow_forwardDetermine and report the pressure of collected hydrogen gas in atmospheres. Report this result to one more digit than allowed by applying the rules of significant figures. (1 atm = 760 mm Hg, an exact conversion factor.) Determine the moles of hydrogen collected by substituting the appropriate quantities into the ideal gas equation and solving. Report this result to one more digit than allowed by applying the rules of significant figures. Notes: the gas temperature is the same as the listed temperature; R = 0.082057 L-atm/mol-K. Be mindful of units. Determine the experimental atomic mass of Cu. Round this result to the correct number of significant figures. Determine the percent relative error (= ????????????−?h????????? ? 100). The molar mass of Cu is 63.546 g/mol. Mass of copper before electrolysis 6.008 g Mass of copper after electrolysis 5.860 g Volume of H2 collected 58.9 mL Pressure of H2, PH2 720.8 mm Hg Temperature 24.0 oCarrow_forward