Q1-A cylindrical tank 1.5 m high and 1m in diameter contains water at 80C. The tank is 75% full, and fiberglass insulation is to be added so that the water temperature will not drop more than 20 per hour. Calculate the thickness required for the specified cooling rate when the environment temperature is 5C and the heat transfer coefficient is 10W/m2C.

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Q: Calculate the number of moles in 200 grams of sodium tungstate (Na2WO4)

A: The number of moles in 200 grams of sodium tungstate is to be determined.

Q: 1- The following compounds have similar molecular weights. Which has the highest boiling point? A) C...

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Q: Estimate the work required to compress ethylene from 32 MPa to 250 MPa in atwo-stage reciprocating c...

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Q: ) Calculate the number of grams in 13.4 L of chlorine gas (Cl2) at STP.

A: Given: Gas is Cl2. Molar weight = 35.5*2 = 71g V = 13.4 L = 0.0134m3 At STP conditions: T = 273K P =...

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Q: The specific gravity of steel is 8.89. What is the volume in ft' of a steel ingot weighing 8650 kg?

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Q: A mixture of carbon monoxide and oxygen is to be prepared in the proportion of 7kg to 4kg in a vesse...

A: Mass of CO=7kg=7000gMass of O2=4kg=4000gVolumeV=0.3m3=300LTmixture=5∘C=278KTo find: PressureVolmetri...

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A: In the table the number of moles are given in milli moles .  

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Q: 4. The mineral analysis below was reported for a water sample. Ca2+ 170 Bicarbonate 260 |Mg* 2+ 75 5...

A: Hello Subscriber ! There are multiple subparts to this question. As per our policy, we have answered...

Q: Quiz A fluid of density 1421.5 is used in a manometer across an orifice in a water pipeline. The rea...

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Q: Liquid mixture of A and B is to be have the concentration of B reduced by 26 times in co_current uni...

A: Given: Initial concentration of B = C, Final Concentration of B = C/26 Feed of A to solvent flow rat...

Q: What weight of pyrite ore (impure FeS,) must be taken for analysis so that the BaSO, precipitate wei...

A: Molecular weight of S=32Molecular weight of BaSO4=233Molecular weight of FeS2=119

Q: 100 kmoles of Heptane is burned with 35% excess air. Find the composition of the flue gas if combust...

A: Write the reaction for the combustion of heptane as follows: C7H16 + 11O2 →7CO2  +8H2O   1 mole of C...

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Q: Convert the temperatures in Parts (a) and (b) and temperature intervals in Parts (c) and (d): a) T= ...

A: Hi and thanks for the question. Since you have posted a question with multiple sub parts, we will an...

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Q: A monoatomic ideal gas having the volume of VA undergoes a reversible expansion by following the pat...

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Q: ?which one of the following is more acidic PH = 6 O POH =9

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Q: Sulfur dioxide (A) diffuses through a stagnant layer of air (B) of 2 cm thickness at 45°C and 1.2 ba...

A: Hi and thanks for the question. Since you have posted a question with multiple sub-parts, we will an...

Q: Calculate the number of moles in 200 grams of sodium tungstate (Na2WO4)

A: The molarity of the solution is calculated as the number of moles of the solute to the volume of sol...

Q: EXAMPLE 12.14 Pure CO is mixed with 100 percent excess air and completely burned at constant pressur...

A: Reaction: CO + 0.5O2 -------> CO2 Ti = 400K Tf = 600K Hr = 282.99kJ/mol Cp(kJ/mol.K) for: CO = 29...

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Q: 10.5. Find the value of feedback controller gain that gives a closedloop damping coeffi- cient of 0....

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Q: 2.5 A piston-cylinder device initially contains 1.4 kg of sáturated liquid water at 200°C. Now heat ...

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Q: „All following is included in title block of drawing sheet except one .1 Scale Method of Projection ...

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Q: Q5: What weight of pyrite ore (impure FeS,) must be taken for analysis so that the BaSO, precipitate...

A: It is a chemical analysis technique in which the substance sought is transformed into another substa...

Q: Q/The air entering a dryer has a temperature of 79.45°C and dew point of 32.23°C. Calculate the humi...

A: T=79.45∘CTDEW=32.23∘CTo find:1. Humid volume2. Humid heat of mixtureFrom the psychometric diagram fo...

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Q: PMut The density of gases are calculated by P Calculate the air density using the data in table [P, ...

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new ques...

Q: 6) Calculate the number of grams in 13.4 L of chlorine gas (C2) at STP.

A: Standard conditions for temperature and pressure: STP condition is defined as an absolute temperatu...

Q: Q/The air entering a dryer has a temperature of 79.45°C and dew point of 32.23°C. Calculate the humi...

A: Given Data: Dry bulb temperature TDB = 79.45 ° C Dew Point temperature TDew = 32.23 ° C

Q: QI: Which of the following is NOT an SI unit? a. meter. b. kilogram c. second d. mile

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

Q: Calculate the heat required to raise the temperature of 2 moles of propane from 170 oC to 500 oC in ...

A: T1=150∘CT2=500∘Cn=2 molesFrom the literature,Cp=0.0983kJ/mol-KTo find:∆H=?

Q: Q1. Two liquid level tanks are connected in series (interacting). The differential equations for the...

A: Given: Differential equations for the two liquid level tanks connected in series (interacting) are: ...