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- The temperature of 4 mole of an ideal gas is increased from 114 K to 524 K, and its given that C, R.Calculate the AS (J/K), if the volume is constant. O a. 76.1 O b. 50.7 O c. 380.4 O d. 114.1 3/2XEx. 27: Find the density of nitrogen at N.T.P. (Given : M.W. of nitrogen = 28) P= 1.013 x 105 /m² R = 8.314 J/mole KThe specific reaction rate constant k is a strong function of temperature according to the following equation: 1 In the equation above, the reaction rate constant k is expressed in R is the universal gas constant 8.314- What is the unit of A? O mol m OK Om O J O mol K J mol 01 S Pa.m ³ m k=Axexp- Pa.m³ constant (1.314 P-²). mol. K E RT and T is the absolute temperature in K. The equation is dimensionally homogenous.
- 10 moles of an ideal gas are confined to a volume of 2 m^3. What is the temperature of the gas if its pressure is 10^5 Pa? (kb = 1.38 * 10^-23 J/k, and R = 8.315 J/mol k) a. 300 K b. 2405 K c. 1.4*10^27 K d. 2.4 KAn ideal gas that occupies 1.2m^3 at a pressure of 1 x 105 Pa and a temperature of 27C is compressed to a volume of 0.6m^3 and heated to a temperature of 227C. What is the new pressure? a. 333.33 kPa b. 444.44 kPa c. 555.55 kPa d. 666.66 kPaWater vapor at a pressure 0f 2X10 N/m2 0nd a dempirature of as0°c is 0.32 x106 N/m2.following expanded to a yoessune of ec.For the low P.V1.25 this expanston determine: a. Pinal vapor condnion b. Syecipie haat transpan c. Changis in tntroyy SIDU
- 7. If I have an unknown quantity of gas held at a temperature of 1195 K in a container with a volume of 25 liters and a pressure of 560 atm, how many moles of a. 143.0mol gas do I have? d. 0.3457mol b. 0.01004mol C. 146.0mol 8. If I have 21 males of g3s held at aA gas at 617 K and 12 atm has a molar volume 14 percent larger than that calculated from the perfect gas law. Calculate the molar volume (dm³mol 1) of the gas. a. 58.62 O b. 4.81 O c. 2.70 d. 9.03No. of mole of such substance is equal to the Molarity concen. X volume in ml. True False
- How many atoms of Oxygen gas fill a cubic box of length 30.0 cm at 20.0ºC and 1.013 x 105 Pa? O 6.76x1023 atoms b. '6.76x1024 atoms 9.9x1024 atoms Od 9.9×1030 atoms10:55 > t.myexams.unisa.ac.za MENU E Frag question A. 5.0 x 108 ft³ B. 6.0 x 108 ft³ C. 8.6 x 108 ft³ D. 2.1 x 108 ft³ E. 4.8 x 108 ft³ ||| Vol) 4G LTE2 T The largest building in the world by volume is the Boeing 747 plant in Everett, Washington. It measures approximately 650 m long, 710 yards wide, and 110 ft high. What is its volume in cubic feet? O 47 71% < myExamsCalculate the van der Waals constant a (L2atm/mol2) of CO2 gas if P= 79.2 atm, Vmc= 113 cm³/mol and T= 513.9 K. O a. 1.14 O b. 1.82 O c. 3.03 O d. 4.55