For any gas the equation is state is PV=nRT. True or False? a) True b) False
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For any gas the equation is state is PV=nRT. True or False?
a) True
b) False
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- 1. For nitrogen at 285 K find, a) The most probable speed b) The average speed c) The rms speed The molar mass of nitrogen is 14.0 g/mol and R=8.31 kg/(mol K) Hint: You need to convert quantities into Sl units. m/s m/s m/sHow hot must the air in a balloon be heated if initially it has a volume of 810. L at 20°C and the final volume must be 1,500. L? The balloon is sealed so that the pressure and number of air particles are constant. KFor any gas, C C. - (+7), (7), Suppose you have one mole of a gas that obeys the equation of state, p(v- b) = represents the volume taken up by the molecules in the system, and 3.5 bars and T = 425 K for your gas sample. Hint: Use the equation of state to evaluate the partial derivatives. =RT, where b is the molar volume. Find the value of A if C-C₁=AR when P = 6
- ⦁ What is the specific heat at constant pressure for N2 gas? Assume that N2 is an ideal gas.⦁ 3R/2⦁ 5R/2⦁ 4R⦁ 3R⦁ 7R/2a) Estimate the average spacing between the molecules of 1 mol of an ideal gas at a pressure of 1atm and a temperature of 300 K. b) 1 mol of liquid water occupies a volume of 18 cm. Estimate the spacing between molecules. c) Use your result from part (a) to estimate the diameter of a water molecule. d) Estimate the factor by which water expands when it boilsA mole of gas has isobaric expansion coefficient dV/dT = R/p and isochoric pressure-temperature coefficient dp/dT = p/T . Find the equation of state of the gas.
- C A F D B E VA tank contains 16 moles of neon gas at an absolute pressure of 1 x 105 Pa. What is the change in the internal energy of the gas when the temperature is raised from 27 ºC to 32 ºC. Given: Boltzmann constant: k = 1.38 x 10–23 J/K, Ideal Gas Constant: R = 8.31 J/(mol K) 1000 J B. 750 J C. 500 J D. 250 J E. 100 J6. The following data show the relation of vapour pressure of liquid Z as a function of temperature. p/mmHg T/°C 17.54 20 31.82 30 55.32 40 92.51 50 149.38 60 233.70 70 Using linear regression technique, compute the molar enthalpy of vaporization of liquid Z!
- Water 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 SIDUFor this question there could be one or MULTIPLE answers, Choose the best Match/Matches. For a monatomic ideal gas in thermal equilibrium near room temperature, a. U = 3/2 NkT. b. U = 5/2 NkT. c. degrees of freedom include translational and rotational motions. d. degrees of freedom include translational, rotational, and vibrational motions. e. U = 5/2 pV. f. U = 3/2 pV. Explain work please.2. For T = 300 K, calculate the pressure (in bars) at which the mean free path of a hydrogen molecule will be each of the lengths given here. For H₂, o = 2.30 x 10-1⁹ m². (a) 100 μm (b) 1.00 mm (c) 1.00 m LL