What is the ΔS° for the reaction? Given are the S°, in J K-1 mol-1, of each substance in parentheses. SiCl4 (g, 330.73) + 2 Mg (s, 32.68) → 2 MgCl2 (s, 89.62) + Si (s, 18.83)     -198.02 J/K     198.02 J/K     -254.96 J/K     254.96 J/K

Q: Q8. How many atoms are there in 1 mole of O2 gas if the Avogadro number is NA? O NA Molecules and NA…

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Q: Solve this?

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Q: A 3.9-L volume of ideal neon gas (monatomic) is at a pressure of 5.6 atm and a temperature of 330 K.…

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Q: 2. Which one of the following statements is false? For a reaction carried out at constant pressure…

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Q: P2 657°C - Isothermal 2.0 37°C - atm V(L) V3 The figure (not to scale) shows a pV diagram for 4.7 g…

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Q: 2 mol of an ideal monoatomic gas moves from State 1 to State 2 P at constant pressure 1000 Pa and…

A: To find work done in isobaric process.(since pressure remains constant) W = ∫PdV = P∆V  Since P =…

Q: A.) True or false, why? a gram of celsium has more atoms than a gram of hydrogen. B.) True or…

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Q: a) What is the average K.E. of molecules in air at latm pressure and 20C? 6) b) What is the average…

A: Average energy of molecules in air is given by,  E = (3/2)* KT  It depends only on temperature only.…

Q: A mole of atoms is 6.02 x 1023 atoms. How many moles of atoms are in a domestic cat with a mass of…

A: Mass of cat , M = 7.5 kg Mass of average atom , m = 11 u To find = moles in a domestic cat

Q: A container filled with an ideal gas is connected to a reservoir of the same gas so that the number…

A: From ideal gas equation,

Q: The mean free path is the average distance traveled by a particle between collisions with other…

A: Given: Temperature T=72.6°F Diameter of N2, d=2.45×10-10 m Pressure P=101325 Pa Standard data used:…

Q: 3. Two gaseous streams enter a combining tube and leave as a single mixture. These data apply at the…

A: Given For one gas Area A1 = 75 in2 = 75×(0.0254)2 m2 = 0.0484 m2 Velocity v1 = 500 fps =…

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Q: 4. Temperature effect on the decomposition of drug Y was evaluated at two temperatures; 40 and 60°C.…

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Q: Oxygen gas having a volume of 1180 cm3 at 41.7°C and 1.02 x 105 Pa expands until its volume is 1700…

A: Given, Volume V1 = 1180 cm3 =  1180 x 10-6 m3 Temperature T = 41.7C∘ =  41.7+273 =314.7 K Pressure…

Q: a) The instantaneous rate [kg/s] of producing a particular compound during a chemical reaction is…

A: We have table given with coordinates (t,rate)=(0,0), (2,0.145), (4,0.354), (6,0.61), (8,0.95),…

Q: 5) A 5.3 L flask of ideal neon gas (which is monatomic) is at a pressure of 6.0 atm and a…

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Q: Using a numerical integration method such as Simpson’s rule, find the fraction of molecules in a…

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Q: A 5.00-mol sample of oxygen gas is confined to a pressure of 5 atm at a temperature of 27 degrees…

A: Given values: Temperature, T=27 °C Pressure, P=5 atm Molecular mass of oxygen gas, M=32 g

Q: For a given species, see the thermodynariic values below. Boiling Point: 80.0° C Melting Point: 10.0…

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Q: container holds a mixture of two gases, CO2 (Carbon Dioxide)  and H2 (molecular Hydrogen) in thermal…

A: Given Temperature of both the gas is equal. Mass of CO2 = 22 × mass of H2

Q: A steel tank contains 273 g of ammonia gs (NH3 with molar mass 17.0 g/mol) at a pressure of 1.53 x…

A: mass of aluminum = m =273g molar mass = M = 17g/mole pressure = P= 1.53 X 106 Pa temperature = T =…

Q: An oxygen gas R = 0.2598 KJ/kg°k and k = 1.395. If 4 kg of oxygen undergo a reversible non flow…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A uniform disc of radius R and mass m is connected to a wall by string oflength 2R. The normal…

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Q: A molecule (made up for this problem, so it may not actually exist in nature) has the chemical…

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Q: A jar holds 2.0 L of ideal nitrogen gas (N2 which is a diatomic gas) at standard temperature and…

A: By ideal gas equation :- P.V = n.R.T Here, P = pressure = 101.3 KPa = 1.013 × 105 Pa. V = volume =…

Q: Q2/ A Petroleum cut has the following ASTM D86 distillation data:- Volume% 10 30 50 70 90 95…

A: Solution: Given Data: A petroleum cut has the following ASTM D86 Distillation data: Volume %…

Q: H.W) Use the following data to calculate AG° at 298 K for the combustion of propane: Substance…

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Q: The P-V diagram relates to a fixed quantity of O2, assumed to be an ideal gas. The temperature at…

A: Given information:Temperature of the oxygen gas (T) = 140 0C = 140 + 273 = 413 0KPressure of the of…

Q: Formaldehyde has the chemical formula CH2O. Calculate the number of (a) moles, and (b) CH2O…

A: (a) Calculate the number of moles. Moles of CH2O=Mass of CH2O Molar mass of CH2O…

Q: The ideal gas law is given by PV = nRT. This equation is only accurate for a limited range of…

A: Ideal gas law, PV=nRT Here. P is pressure, V is volume, n is number of moles, R is universal gas…

Q: (a) Compute the average speed, root-mean-square velocity, and most probable velocity for Ar at 200…

A: Given values, mass of Ar, m = 39.948 g/mol = 0.039948 Kg/mol

Q: Compute (a) the number of moles and (b) the number of molecules in 8.6 cm³ of an ideal gas at a…

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Q: A solution containing 4.60 x 1023 molecules/m3 of protein in water is pure water by a membrane 4.32…

A: Givendϕ=4.6×1023 molecules/m3dx=4.32 μm=4.32×10-6 mD=2.3×10-18 m2/sA=0.041 μm2=0.041×10-12 m2

Q: P (atm) 3- 2 2 1- 0+ V (cm³) 100 200 300 A gas with an initial temperature of 840 •C•C undergoes the…

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Q: An oxygen cylinder of volume 30 litres has an initial gauge pressure of 15 atm and a temperature of…

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Q: *10. D A cylindrical glass of water (H;O) has a radius of 4.50 cm and a height of 12.0 cm. The…

A: radius, r = 4.5 cm  height, h = 12 cm  density, d = 1 g/cc

Q: The total translational kinetic energy of 1.0 mole of diatomic oxygen at 50° C is: Choose the…

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Q: Evaluate the collision frequency of O2 molecules in a gas at 1.00 atm and 25 °C.

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Q: Which of the following is a valid expression for the number of moles n? * n = MCAT A n = В

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Q: Oxygen gas having a volume of 1000 cm3 at 40.0C and1.01 * 10^5 Pa expands until its volume is 1500…

A: We will assume it to be an ideal gas. Since data are insufficient to consider it to be a real gas…

Q: on a hot summer day the temperature is 40.0°c and the pressure is 1.01x10^5 Pa. et us model the air…

A: Ans:- Image-1