A process that takes place under constant temperature and pressure is spontaneous if AG > 0. True False
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- 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 SIDUThe distribution function for speeds of particles in an ideal gas can be expressed as |3/2 m -e/k,T ee f(v)=- m 2a kg T Prove that f(v) is maximum for e=kgT where E=-mv |2 kgT From this results, show that the most probable speed is v,=N mThe table shows the number of video games sold worldwide for the five highest-selling video games in 2010. Assuming this trend continues and that the total sales of all other video games is negligible, if a person chooses to purchase one of these video games, determine the empirical probability that the person will purchase a) Game 2. b) Game 5. c) Game 1. a) P(Game 2) = b) P(Game 5) = c) P(Game 1) = Game Game 1 Game 2 Game 3 Game 4 Game 5 Total (Type an integer or a simplified fraction.) (Type an integer or a simplified fraction.) (Type an integer or a simplified fraction.) Games Sold 18,970,000 17,630,000 11,480,000 11,210,000 9,000,000 68,290,000
- A Geiger-Muller tube is a type of gas-filled radiation detector. It can detect particles like X-rays, alpha particles, and beta rays (electrons). This is useful in quantizing the activity of a radioactive source or determining if an area containing radioactive material is safe to enter. If a Geiger counter is filled with 1 mol of argon gas at pressure P = 1.0620 × 10ª Pa and temperature T = 20.0 °C, what is the density p of the gas in this Geiger tube in grams per cubic centimeter? The atomic mass of argon is aa, = 39.948 g/mol. g/cm3A gas contains 5 molecules with an instantaneous velocity of 2 m/s, 10 molecules with an instantaneous velocity of 3 m/s and 4 molecules with an instantaneous velocity of 6 m/s. Determine the values of the average, most probable and root mean squared velocities.If an ideal gas does not really exist, why do scientists use this this concept?
- tii) An ideal gas with an initial pressure of 2 x10' Pa and an initial volume of 2 m' expands Isothermally (at constant temperature) to a volume of 5 m' Estimate the final pressure of the gas.Assume you are using the attached pressure gauge and a thermocouple with a temperature uncertainty of +/- 1C; assuming ideal gas how accurately can you report the molar volume n/V=RT/P?1. (a) What is y if v = 0.250c? (b) Ifv = 0.500c?
- The table above shows the measurements taken while in ideal gas underwent an iso volumetric process  fill in the values for tableThe heat equation in 1D is : du = Ở o = constant (a) Given that [t] = T and [x] = L, what is the dimension of o ? Infer a dimensionless variable z A x tª oß.All of the following statements are correct EXCEPT Select the correct response: in any chemical reaction the change in energies of the system and the surroundings are equal in magnitude but opposite in an expanding gas does work on the surroundings, thus w has a negative value. if a reaction occurs at constant pressure, w = E E=q+w (where q equals heat and w equals work). if a reaction occurs at constant volume, q = E. < Previous There will be work done if the direction of the force is perpendicular to the direction of displacement Select the correct response. none of the choices False Both True If during a given physical process the only force acting on an object is friction, which of the following must be assumed in regard t kinetic energy? Select the correct response: X It decreases. It increases It remains constant It cannot be determined from the information given