If a chemical reaction has a negative AH and a positive AS, then A) it will be spontaneous at all temperatures.

Q: What is the standard enthalpy of combustion of gas toluene, in kJ/mol? Your Answer: Answer

A: C7H8   g   +    9O2  g     →     7CO2  g     +       4H2O  g

Q: 10.18 Estimate the fugacity of isobutylene as a gas: (a) At 280°C and 20 bar;

A: Given, Temperature= 280°C Pressure= 20 bar

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A: Given Reaction: A-> B Volumetric flowrate = 10 mol/L The reaction rate constant (k) =…

Q: The solute hydrochloric acid (A) is diffusing through a thin film of water (B) 2.0 mm thick at 283…

A: thickness of the film(l)=2.0 mm=0.002 m temperature (T)=283 K concentration of HCl (A) at point (2)…

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Q: 1. Consider a feed stream consisting of the three components and flowing at 1 mol/min as in the…

A: A ternary still is given with one inlet and two outlet streams. Inlet stream flow rate = 1 mol/min…

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A: The volumetric flow rate through an annular gap between two coaxial cylinders is Q =…

Q: Find the dimensions of a closed cylindrical soft drink can that can hold soft drink of volume V for…

A: Solution  Let's denote the radius of the cylindrical can as r and the height of the can as h. Here…

Q: For a flow of 0.6 m³/s, how many rapid sand filter boxes of dimensions 10m x 20m are needed for…

A: Flow rate, Q = 0.6 m3/s All unit should be in same system, so convert m3/s to m3/d Flow rate, Q =…

Q: A weak acid has a Ka of 9.8 x 10-7. What is the value of pK for the acid? a pK₂ = Submit Answer Try…

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Q: The activation energy of an isomerization reaction which obeys 1st-order kinetics is known to be 100…

A: Activation Energy = 100kJ/mol Pre-exponential = 1.666*103 cm/s conversion = 70% bed void = 0.4…

Q: A block copolymer consists of 65 wt% polystyrene and 35 wt% polybutadiene . Estimate the degree of…

A:

Q: Please indicate which of the following statements are true and which are false. Explain each case.…

A: The reaction could be first-order endothermic and carried out adiabatically = True. because with a…

Q: Question 2: A spring-loaded piston-cylinder device contains 1 kg of carbon dioxide. This system is…

A:

Q: If this vaporization is done in equilibrium or flash distillation and 40 kg mol are distilled, what…

A: 40kg mol are distilled

Q: D16.* 10.0 kmol of a 40.0 mol% methanol and 60.0 mol% water mixture is processed in a normal batch…

A: Batch distillation system with still pot.

Q: 4.) In the fluidized bed reactor, where SiHCl3 (TCS) is produced, why is the temperature not…

A: The temperature of the reactor cannot be raised since doing so would result in more fumed silica…

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Q: Derive the integrated rate equation:

A: The differential mole balances of a series reaction are given.

Q: QUESTION 2 Cold water (at 4 °C) flows up through the vertical pipe that is connected to the…

A: a)

Q: Separation Processes 1 , please help thanks!

A:

Q: Q3 Liquid octane (C8H18) at 25°C, 1 atm and a mass flow rate of 0.57 kg/h enters an internal…

A: The temperature of reactants, T1 = 25°C = 25+273 K = 298 K The temperature of the products, T2 = 670…

Q: 10 E120 V124 P120 RD120 V126 T120

A: A feedback control system consists of five basic components: (1) input, (2) process being…

Q: 2. In the elementary gaseous phase reaction A → 2R + S, starting with a feed that is 40% A at 2 atm…

A:

Q: T2 AS = Cpln 1 Rln P2 P1

A:

Q: 4. The figure below shows a Px diagram for a binary system (component 1 and component 2) at 480 K.…

A:

Q: 2. A gas contains 30% HCI and 70% air by volume. The gas enters an absorption tower at 120°F and 743…

A: Composition of the entering gas is, HCl = 30 % by volume Air = 70 % % HCl removed = 96 %

Q: Methane and oxygen react in the presence of a catalyst to form formaldehyde. In a parallel reaction,…

A: A mixture of methane and oxygen in equimolar amount is fed to the reactor.

Q: Ascorbic acid has a pKa value of 4.10. What is the value of Ka? VZ

A: pKa= - log10 Ka  Put the value pKa=4.10 4.10=-log Ka  Take the inverse function of the exponential…

Q: What is the heat capacity of crystalline calcium carbide at 32.0 °C? Cp = What is the change in…

A: The heat capacity of the calcium carbide at given temperature is to be calculated. Initial…

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A: The effectiveness factor (η) of a catalyst pellet is a measure of the degree to which the reaction…

Q: Consider the gas phase elementary reaction. R⇒ 2S Which takes place in a PFR in which R and the…

A: here    εA =yAo.XA

Q: The flow meter at water plant is malfunctioning. The plant superintendent tells you the four dual…

A: Given that- Area of dual media filters, A=6m×12m=72 m2 Number of dual media filters=4 Velocity,…

Q: For the consecutive reaction AR-S, write out the concentrations o 0.35/hr and k₂ 1.55/hr, plot the…

A:

Q: Although accurately evaluating the energy balance for a person is a complex problem, a simple (but…

A: Mass of the body = 70 kg Specific heat of the body = 1 kcal/kg.K Surface area = 1.8 m2 Heat transfer…

Q: 12.30.0 mL of 0.20 M AgNO3 are added to 100.0 mL of 0.10 M HCI in a thermally insulated vessel. The…

A: Volume of AgNO3= 30 mL or 0.03 L Molarity of AgNO3= 0.2 M or mol/L Volume of HCl = 100 mL or 0.1 L…

Q: An iron bar 2 cm x 3 cm x 10 cm at a temperature of 95°C is dropped into a barrel of water at 25°C.…

A: Q =  UA(Tb-Tw)

Q: Draw the equiburim cutive when > and y = 1-32X X 33x O 0.05*162 01/0² explan Value of y after,…

A: The relation between y and x at equilibrium is given by   y = 33x1-32x     ......1 Where 33 is…

Q: A + B B → C The feed is a stoichiometric mixture of only A and B, and the initial mass flow rate of…

A: Pressure = 7 atm Mass flow rate of A = 560 kg/min Molar mass of A = 28 g/mol Rate constant at 233 0C…

Q: 11.2. The volume change of mixing (cm³.mol-¹) for the system ethanol(1)/methyl butyl ether(2) at…

A:

Q: Discuss the procedure that you should follow to design a continuous countercurrent multistage…

A: A continuous countercurrent multistage solid-liquid extraction unit is a system used to separate a…

Q: 5.3 The laboratory test data for a standard Proctor test are given below. Find the maximum dry unit…

A: Determine the moist unit weight  of the soil using the formula. Here, W is the weight of the…

Q: A first-order reversible reaction AB is taking place in a plug-flow reactor (PFR) with a feed…

A: A reversible reaction is given,  A ⇔k2k1 B Here, k1 is the rate constant for the forward reaction…

Q: ● 4th: The diffusivity of the reactant in a biofilm,with a thickness of 0.01 cm, is 0.8 cm²/day. The…

A: Thickness, x= 0.01 cm Diffusivity, DAB = 0.8 cm2/day reactant concentration in the bulk fluid, CAb =…

Q: Glazed banana chips are dried to its equilibrium moisture content of 12.28% by wt (wet basis) in a…

A: the %moisture content on a wet basis can be converted to a dry basis by using the below formula,…

Q: Calculate the steady-state substrate and biomass concentrations in a continuous fermenter that has…

A: Given,  Flow rate, F = 8 L/h volume , V= 25L limiting substrate concentration, S0 = 2000 mg/L Ks =…

Q: A mixture containing 31% benzene (B) and 69% toluene (T) by mass is fed to a distillation column. An…

A: Given: Feed flow rate, F = 4998.77 kg/h Composition of Benzene in feed, xB,F = 0.31 Composition of…

Q: A process stream contains pure ethanol at 70 °C and 50 kPa. Is the stream liquid or vapor? Show all…

A: pressure = 50kPa temperature =70∘C=70+273.15K=343.15K