100%EXP 3- Determination of universal gas constantThermal decomposition reaction of KCIO3 can be usedto determine the universal gas constant.2KCIO:(s)2KCI(s) + 302(g)MnO2 (catalyst)Firstly, KCIO3 and MnO2 (catalyst) is placed in a cleanand dry test tube, and it is weighed as 15.92 g. Whileheating the test tube, thermal decomposition reactionoccurs and all the evolved O2(g) is collected in a flaskfilled with water at 759 mmHg and 20°C. Because ofevolved O2(g), 250 mL water is transferred from theflask to a beaker. Additionally, the weight of test tubeafter heating is determined as 15.60 g. (Note: Thepartial pressure of water at 20°C is 17.5 mmHg.)(a) Calculate experimental value of the universal gas constant by using the information givenabove.(b) Compare the theoretical and the experimental values of gas constant and calculate thepercentage error in the experiment.(KČIO:: 122.55 g/mol. Oz: 32.00 g/mol, R: 0.082 L atm/mol K)EXP 4- Diffusion EXP 4- Diffusion(A) Indicate following statements as True (T or False (F):(a) Higher the molar mass of a gas, faster its diffusion is.(b) Graham's law states that the rate of diffusion or effusion of a gas is inverselyproportional to the square root of its molar mass.(c) When NH3(g) and HCI(g) react to form NH,CI(s), a blue precipitate is observed.(d) Diffusion is the process whereby gaseous atoms and molecules are transferred fromregions of relatively low concentration to regions of relatively high concentration.(e) The diffusion rate of a gas depends on the increase or decrease in concentration fromone point to another (concentration gradient), the amount of surface area available fordiffusion, and the distance the gas particles must travel.(B) If CH.(g) and C,Hs(g) are released simultaneously at the left and right ends of a glass tubewith 50 cm length, respectively, at what distance from the left end of the tube will they meet?50cmCH-- CH,

As per regulations only one question and its subparts can be answered. So questions for Exp 3 are…

EXP 3- Determination of universal gas constant Thermal decomposition reaction of KCIO3 can be used to determine the universal gas constant. 2KCIO3(s) 2KCI(s) + 302(g) MnO2 (catalyst) Firstly, KCIO3 and MnO2 (catalyst) is placed in a clean and dry test tube, and it is weighed as 15.92 g. While heating the test tube, thermal decomposition reaction occurs and all the evolved O2(g) is collected in a flask filled with water at 759 mmHg and 20°C. Because of evolved O2(g), 250 mL water is transferred from the flask to a beaker. Additionally, the weight of test tube after heating is determined as 15.60 g. (Note: The partial pressure of water at 20°C is 17.5 mmHg.) (a) Calculate experimental value of the universal gas constant by using the information given above. (b) Compare the theoretical and the experimental values of gas constant and calculate the percentage error in the experiment. (KCIO:: 122.55 g/mol, O2: 32.00 g/mol, R: 0.082 L atm/mol K)

EXP 3- Determination of universal gas constant Thermal decomposition reaction of KCIO3 can be used to determine the universal gas constant. 2KCIO3(s) 2KCI(s) + 302(g) MnO2 (catalyst) Firstly, KCIO3 and MnO2 (catalyst) is placed in a clean and dry test tube, and it is weighed as 15.92 g. While heating the test tube, thermal decomposition reaction occurs and all the evolved O2(g) is collected in a flask filled with water at 759 mmHg and 20°C. Because of evolved O2(g), 250 mL water is transferred from the flask to a beaker. Additionally, the weight of test tube after heating is determined as 15.60 g. (Note: The partial pressure of water at 20°C is 17.5 mmHg.) (a) Calculate experimental value of the universal gas constant by using the information given above. (b) Compare the theoretical and the experimental values of gas constant and calculate the percentage error in the experiment. (KCIO:: 122.55 g/mol, O2: 32.00 g/mol, R: 0.082 L atm/mol K)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

100%
EXP 3- Determination of universal gas constant
Thermal decomposition reaction of KCIO3 can be used
to determine the universal gas constant.
2KCIO:(s)
2KCI(s) + 302(g)
MnO2 (catalyst)
Firstly, KCIO3 and MnO2 (catalyst) is placed in a clean
and dry test tube, and it is weighed as 15.92 g. While
heating the test tube, thermal decomposition reaction
occurs and all the evolved O2(g) is collected in a flask
filled with water at 759 mmHg and 20°C. Because of
evolved O2(g), 250 mL water is transferred from the
flask to a beaker. Additionally, the weight of test tube
after heating is determined as 15.60 g. (Note: The
partial pressure of water at 20°C is 17.5 mmHg.)
(a) Calculate experimental value of the universal gas constant by using the information given
above.
(b) Compare the theoretical and the experimental values of gas constant and calculate the
percentage error in the experiment.
(KČIO:: 122.55 g/mol. Oz: 32.00 g/mol, R: 0.082 L atm/mol K)
EXP 4- Diffusion

EXP 4- Diffusion
(A) Indicate following statements as True (T or False (F):
(a) Higher the molar mass of a gas, faster its diffusion is.
(b) Graham's law states that the rate of diffusion or effusion of a gas is inversely
proportional to the square root of its molar mass.
(c) When NH3(g) and HCI(g) react to form NH,CI(s), a blue precipitate is observed.
(d) Diffusion is the process whereby gaseous atoms and molecules are transferred from
regions of relatively low concentration to regions of relatively high concentration.
(e) The diffusion rate of a gas depends on the increase or decrease in concentration from
one point to another (concentration gradient), the amount of surface area available for
diffusion, and the distance the gas particles must travel.
(B) If CH.(g) and C,Hs(g) are released simultaneously at the left and right ends of a glass tube
with 50 cm length, respectively, at what distance from the left end of the tube will they meet?
50cm
CH-
- CH,

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