Explain how does thermal conductivity of gases, liquids and solids depend upon the temperature.

Q: The equivalent weight is k2cr2o7 when reduced to cr3 +

A: Potassium dichromate, K2Cr2O7, is a common inorganic chemical reagent, most commonly used as an oxid...

Q: A 4L solution with a concentration of 0.02M NaCI was diluted in 1 liter of water The molarity of the...

A: The equation for dilution is C1 is initial concentration of standard solution = 0.02 M V1 is initia...

Q: find the moment about

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Q: 31. It is a type of reaction wherein reactants disappear to form products and at a certain time, pro...

A: Since we are entitled to answer only 1 question, we will answer the first one as it is not mentioned...

Q: Prepare ( 0.5 N ) from Na2CO3 in 200 ml water.At.Wt / Na= 23 , C= 12 , O= 16

A: Normality is the concentration term used for the solutions. The Normality of the solution is defined...

Q: A student is given the following information about an, unknown solution. Dissociates 100% Feels slip...

A: Any acid or basic solution can be easily identified by its pH measurement. 

Q: B-A 1.8 m' rigid tank contains a refrigerant-134a at 50°C. One-third of the volume is in the liquid ...

A: Given: V = 1.8 m3, T = 50 0C and Refrigerant-134a (a). Pressure = 1319.9 kPa (b). Quality of the sat...

Q: Answer 13 and 14 ASAP PLEASE THANK YOU

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want...

Q: 2/solved its volume 4L His focus rom sodiunchlorideitwas relased by adding one liter of water what n...

A: The concentration of the solution is defined by Molarity, Normality, Molality, ppm, etc. The molarit...

Q: Slove

A: Given: X = 0.8, T = 649 0C, P = 460 kPa and -rA = 10CA Assume, FA0 = 40 mol/hr Initial Concentration...

Q: A gas mixture at 300K and 1 bar analyzing by volume 20% N2 and 80% CH4 is subjected to liquefaction ...

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Q: How can the demand for conventional energy be reduced?

A: Conventional sources of energy are the sources of energy which are exhaustible and non renewable sou...

Q: Consider the shell and tube heat exchanger where liquid A of density pa is flowing through the inner...

A:

Q: Q1) Water at 20 °Cand atmospheric pressure, calculate the heat added in these cases: 1- If the heat ...

A: Given,  T = 20°C P = 1atm from steam table; Cp =4.18 KJ/Kg

Q: Ex1: A vacuum gage connected to a chamber reads 5.8 psi at a location where the atmospheric pressure...

A:

Q: Caking in crystals is not formed during

A: The process in which clumps or cakes are formed when crystals are stored improperly. The crystals ar...

Q: 2021 CRÉ homework 1 1. For gas phase reaction A→B is carried out isothermally. We have the following...

A: The data given is for a gas phase reaction of A → B in an isothermal reactor. A table of -rA and Con...

Q: Q4) Answer One of two branches A. The pressure gauge on a tank of CO2 used to fill soda-water bottle...

A: Gauge pressure = 51 psi Atmospheric pressure = 28.0 inch.Hg Absolute pressure in tank = ?(psia)

Q: A mercury thermometer having a time constant of (180 s) is initially at (200°C), it is immersed in a...

A: When we design a system, time behavior may well be the most important aspect of its behavior. It is ...

Q: Seawater containing 3.5 wt% salt passes through a series of 10 evaporators. Roughly equal quantity o...

A: Given: Initial weight fraction of salt in seawater, xS,0 = 0.035 10 evaporators are used with equal ...

Q: What are the suggestions for alternative energy sources to balance the demand for conventional energ...

A: The sources of electricity production such as coal, oil, and natural gas have contributed to one-thi...

Q: Saturated vapor ammonia at -16°C (h1 = 1442.60 kJ/kg) leaves the evaporator and enters the compresso...

A: Refrigeration capacity is the measure of rate of refrigerant. It is key factor in determining size o...

Q: I need solution in the 15 min

A: Pressure gauge reading, PG1 = 440 kPa Barometer reading, PB1 = 750 mmHg   Calculate the absolute pre...

Q: Q4: A gaseous fuel burned completely. Where it having the composition (46%C0, 10%CH4, 40%H2, 2%H2C2,...

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Q: Differentiate drying oil, non-drying oil from semi-drying oil.

A: We can define A semi-drying as an oil which partially hardens when it is exposed to air.In drying oi...

Q: Naphthalene diamine (NdA) is recovered from a 3.0% w aqueous solution byextraction with ethyl ether ...

A:

Q: 12. A mixture of ideal gases consists of 3 kg of nitrogen and 5 kg of carbon dioxide at a pressure o...

A: Mass of N2 = 3 Kg Mass of CO2 = 5 Kg Total Pressure, Pt = 3 bar Temperature, T = 293K

Q: Thermodynamics deals with the properties of the system relating work, heat transfer and internal ene...

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Q: A 100 kg/h ethanol-methanol stream is to be separated in a distillation column. The feed has 40% eth...

A: Given- Feed, F = 100 kg/h Feed mole fraction (methanol), xF = 0.6 Residue ( Bottom), W = 40 kg/h Dis...

Q: 7. What displacement must be added to a 50 cm displacement in the +x- direction to give a resultant ...

A: Given, Resultant displacement=85 cm at 25°C Let V be the vector displacement required to be added to...

Q: Write about high density polyethylene and low density polyethylene and their advantage and disadvant...

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Q: Ex5: A force (F) is proportional to (x²) and has the value of (133N) when (x=2), Determine the work ...

A: Given  F = 133 N  when x =2 Workdone=?  When x goes from 1 to 4 and  F α x2

Q: calculate the fraction (using fractional composition equation), for all three with a molar concentra...

A: Given; Molar concentration = 0.04M     Ans a; The reaction is given as follows;                     ...

Q: The aniline point of the given Sample is 65-3. Is the a bove Sample a good lubricating oil? Explain ...

A: It is asked to determine from the aniline point whether the given sample is a good lubricating oil.

Q: Ex1: A vacuum gage connected to a chamber reads 5.8 psi at a location where the atmospheric pressure...

A: Atmospheric pressure = 14.5psiVaccum gauge = 5.8psi

Q: Aqueous A reacts to form R (A à R) and in the first minute in a batch reactor its concentration drop...

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Q: Problem 2. Two walls of cold storage plant are composed of an insulating material (k=0.25 kJ/hr-m-°C...

A: The heat transmitted per square meter through the wall is to be determined.

Q: 20 mL of a monoprotic acid solution with a pH of 2.7 is neutralized by the same volume of KOH soluti...

A: Given, Volume of monoprotic acid solution = 20 ml pH of monoprotic acid= 2.7 Ka=4×10-5  

Q: How much is 15 lbs of a liquid propane tank in SCF? What is the heating value of the propane tank? ...

A: The enthalpy of combustion of propane gas where all products return to the standard state, for examp...

Q: We know that hydrogen gas (H2) reacts with nitrogen gas (N2) to produce ammonia gas (NH3). But how m...

A: The law of conservation of mass states that:- “The mass in an isolated system can neither be created...

Q: Match correctly the algebraic equation framed for the following equation for the elements present in...

A: Combustion of sucrose is given by  C12H22O11 + 12 O2 → 12 CO2+11H2Oso, we can see thata=1b=12c=12d=1...

Q: A powder material, density 2.7, is suspended inwater at 20 0 C. What will be the size of largestpart...

A: The size of the largest particle that will settle down without causing any turbulence is to be deter...

Q: The specific gravity of gasoline is approximately 0.71. (a) Estimate the mass (lbm) of 50.0 liters o...

A: (a) The mass of the 50 liters of gasoline is to be estimated.   Consider the following notations:- d...

Q: need help

A: Given: x1 = 0.6, x2 = 0.4, P = 1 atm, T = 80 0F To calculate the composition of the gaseous phase us...

Q: This is CSTR. Reactant : A Conc. of input : C_Ai [g/L] Conc. of output : C_A [g/L] q = 20 [L/s] Volu...

A: Given data: Concentration of reactant A entering the reactor = CAi Concentration of reactant A leavi...

Q: The energy input to an engine is 4.00 times greater than the work it performs.(i) What is its therma...

A: Let W be the work performed by the engine The energy input to an engine is 4.00 times greater than t...

Q: Compare limitations of solar and wind energy

A: Solar energy - Solar energy is a form of energy which transfer thermal energy into electrical energy...

Q: The equivalent pressure of 14.7 psia in units of psig is:

A: Absolute pressure (PSIA) =14.7psia Atmospheric pressure = 1 atm 1 atm = 14.7 psi Absolute pressure -...

Q: Q2// A: Power of 3 KW is supplied to a machine crushing material at the rate of 0.3 kg/s from 12.5 m...

A: Power required to the crusher, P=3 KW Feed rate, m.=0.3 kg/s Initial diameter of the particle, D1=12...

Q: Topic: Fluid Statics and its Applications

A: Given;   The specific gravity of the fluid = 0.9 Let new differential reading be △h

Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.