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Q: Show that vsound in air=sqrt(1.4kT/M)  is equal to v=331 m/s sqrt(T/273)

A: Finding the speed of sound in air:

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A: We know that We considering the temperature in a one-dimensional bar of length L. We assume that the…

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Q: A bag of wheat weight 250 7o what heigt 'should it te /aiged so that Poterdial energi SO 96 00 J…

A: mass of bag of wheat (m) = 250 kg potential energy (U) = 9600 J g = 9.8 ms2

Q: *7. Go A copper-constantan thermocouple generates a voltage of 4.75 × 10-3 volts when the…

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Q: stivity is 10° Q.m at 20 n °C) of the material

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Q: dvestier number-t A gold mueDcoon (vradivrr) is represented y the gm "A. Takng as the premitiot, a…

A: The answer is given below

Q: Note that for copper ('1x10-5 C' head when its temperature rises from 12° C to 32 ° C. Calculate the…

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Q: A piece ot hat ion at ITO C is putin a tub 18°c water. Atter S min ,the iron's tenmperature is 42°C.…

A: As per Newton’s law of cooling, the iron’s temperature at any time can be represented as, Here, Ts,…

Q: Why is it necessary to know the atmosphe

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Q: Subject الموافق موضوع الدرس. Date: A tark Contoins nitrogen Nzat af absolute pressure of 2fatm-…

A: From an ideal gas, Here, P, V, n, R and T represent the pressure, the volume, the number of moles,…

Q: Question 1 If the actual value for coefficient of linear expansion of the rod is 0.000012 /C°, and…

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Q: THou many of heat are Absorbed by g the temp. of 18500 ater an electric freeer in lowerin fiom…

A: The temperature changes,

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A: The evaporation of a liquid depends on the surface area of liquid exposed. More is the surface area…

Q: 2.8 At a temperature of 100°C and an absolute pressure of 5 at- mospheres, what is the ratio of the…

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Q: the capacita a conductin radius o

A: Given: The radius is r=41.7 cm. Let the charge is q. The expression for capacitance is:…

Q: Estimate the thermal conductivity of Applesauce at 35 ° C. (Water content = 75.0% wet basis).…

A: Given : Temperature (T) = 35°C Water content (Xw) = 75% = 0.75

Q: ilculate the fractional change in volume (Dv/v) of an aluminum bar that uhdel ange in temperature of…

A: volume change with temp with relationships   V=V0(1+3α△t)        △t= CHANGE IN TEMP…

Q: At 100 degree celsius, Copper (Cu) has a lattice length of 3.655 x 10^-10 m.  What is its density at…

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Q: The density is obtained by dividing the mass by the volume. Since volume depends on temperature, so…

A: Given:- ∆ρ = -βρ∆T

Q: A 50- cm - diamc ter pipeline in the Arctic carrics hot oil where the outar surfaco is maintained at…

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Q: Consider the slab shown in Fig below. Suppose that L = 25.0 cm, A = 90.0 cm2, and the  material is…

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Q: The specimen is taken in the form of disc in Lee's disc method to find the thermal conductivity of a…

A: Lee’s disc experiment is used to determine the thermal conductivity of bad conductors. The thermal…

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Q: Suppece the average Velecity of canben nekules( Mulecular man is egual to o gramfwol) iu q flame is…

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Q: Calculate the molar absorptivity of a 10-3 M solution, which has an absorbance of 0.40, when the…

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Q: An old light bulbs draws 45 w, rather than its ordinal 60.0 w, due to evaporate thinning of its…

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Q: . If a steel band were to fit snugly around the Earth’s equatorat 25°C, but then was heated to 55°C,…

A: Let the initial length (circumference) of the steel band fit around the earth’s equator is L. After…

Q: Assume that heat lome of 100 W/2 is incident on material a with thickness of 5cm and thesmal…

A: Given, heat lamp of intensity, I equals 100 W/cm2  thickness, t equals 5 cm thermal coductivity, k…

Q: Show that the change in density Ap with change in temperature AT is given by Ap =- BPAT where is the…

A: Write the expression for the change in volume.

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Q: A lead rod has a Volume of 148.7 cu meter when the temperature is 11.9°C khat is its volume (in…

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Q: Consider two cylindrical containers X and Y with the came amount of gas molecules and malntained at…

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Q: What is the driving force for (a) heat transfer, (b) elec tric current, and (c) fluid flow?

A: Generally, driving force is cause of any phenomenon to happen, it is generally used in…

Q: Consider an insulated pipe exposed to the atmosphere. Will the critical radius of insulation be…

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Q: find Afgr Afarg for the revearible 3.000 moy frgon ideal) from 9 Yolume Q yoluma and sU othermal…

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Q: Q When 3.0 mol Oz is heated at a constant pressure of 3.25 atm, its temperature increases from 260 K…

A: Write the given values of this problem. .Number of moles(n)=3Pressure=3.25 atmT1=260 KT2=285…

Q: Show the complete solution that the coefficient of volume expansion can be expressed as in the…

A: Introduction: In calculating the entropy change for a solid under isothermal pressure change, we…

Q: Assuming that the temperature of the breathe of a human being is 35°C and the relative humudity is…

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Q: 2.8 At a temperature of 100°C and an absolute pressure of 5 at- mospheres, what is the ratio of the…

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Q: How does the thermal resistance network associated with a single-layer plane wall differ from the…

A: Five single-layered resistances connected in series are involved in the thermal resistance network…

Q: Assuming a silicon photovoltaic array attains 20% efficiency over a lifetime of 25 years of use,…

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Q: *7. 00 A copper-constantan thermocouple generates a voltage of 4.75 x 10- volts when the temperature…

A: Given:-             The voltage is proportional to the temperature difference between the junction…