A drop of water on a kitchen counter evaporates in a matter ofminutes. However, only a relatively small fraction of the molecules in the drop move rapidly enough to escape through thedrop’s surface. Why, then, does the entire drop evaporate ratherthan just a small fraction of it?

Q: A pair of eyeglass frames are made of epoxy plastic (coefficient of linear expansion 1.30x10−4…

A: The expression used to calculate temperature is r'=r1+αT2-T1T2=T1+r'-rrα

Q: The temperature of a rigid, sealed, i.e., constant-volume, container of gas increases from 100°C to…

A: temperature T1=100oC = 100+273 =373KT2=200oC =200+273 =473K

Q: If you touch the metal sides inside of an oven with a bare hand, you’re in trouble. But hold your…

A: Metals have more free electrons to carry energy, in order, to conduct electricity. That is why…

Q: Two bodies of different temperature T1 and T2 if brought in thermal contact , do not necessarily…

A: When two bodies of different temperatures T1 and T2 are brought in thermal contact , there is flow…

Q: Global warming will produce rising sea levels partly due to melting ice caps but also due to the…

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Q: In the pasteurization process (heating food during production, for conservation by longer), milk…

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Q: cube having sides of 10 cm in dimension (molar mass 28.9 g/mol) has a temperature of 300K when it is…

A: T=Temperature=300 KP=Atmospheric pressure=101325 PaR=Gas constant=8.314 J/mol KV=Volume=0.13…

Q: A circular steel casting (coefficient of linear expansion 1.24 X 10 to -5 power per degree celcius)…

A: Given Data Linear expansion coefficient for steel is α=1.24×10-5/°C Length of the gap is d=1.600 cm…

Q: When the pioneers were crossing the plains in covered wagons, a metal rim could be attached to a…

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Q: An engineer wants to design a structure in which the difference in length between a steel beam and…

A: The difference in length between a steel beam and an aluminum beam is independent of temperature…

Q: The brass scale of a mercury barometer gives the correct length of the mercury column at 0°C. IF the…

A: L0 = 740 mm = 0.74 m Temperature , ∆T = 25°C  To find = reading when corrected for expansion of…

Q: If the humidity in a room of volume 650 m3 at 25 ∘C is 74 % , what mass of water can still evaporate…

A: Write the given values of this problem. V=650 m3T=25°C or 298 KStandard pressure at 25°C…

Q: (29) A cylindrical metallic container is filled with air and is closed firmly when the pressure is…

A: Given data: Pi=1 atmTi=27°C = 300 KTf=70°C=343 K Need to determine the final pressure.

Q: a) If a 100 mL glass beaker is filled to the brim with ethyl alcohol at a temperature of 7.50°C, how…

A: The kinetic and vibrational energy of the particle in the liquid increases on heating the liquid. As…

Q: A car weighing 1.30×10^3 kg reduces its speed with strong braking from 130 km/h to 90.0 km/h. By how…

A: SOlution: Given that M = 1.3 x103  kg V1 = 130 km/h v2 = 90 km/h m = 6 kg C = 450 J/kgK

Q: Two solid spheres A and B have same emissivity. The radiue of A is four times the radius of B and…

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Q: (28) (a) How many molecules are there in 1 L of air at a temperature of 27 °C? (b) How many…

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Q: The moment of inertia I of a uniform rod rotating around its center point is I = 1/12ml^2 where m is…

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Q: (I) An air bubble has a radius of 2 mm at a depth of 12 m in water at temperature of 8 °C. What is…

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Q: h water vapor a ic hit

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Q: (a) 1.0 kg of water with initial temperature Twin = 10 °C is mixed with 5.0 kg of ice with initial…

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

Q: Mercury contained in a thermometer has a volume of 478mm3 at 38 °C. Determine the temperature  at…

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Q: To help lower the high temperature of a sick patient, an alcohol rub is sometimes used. Isopropyl…

A: We have when the alcohol is rubbed on the body th temperature/heat is transferred from the hot body…

Q: When the pioneers where crossing the plains in covered wagons, a metal rim could be attached to a…

A: The change in length due to thermal expansion is calculated by using the formula Lf-L=αLTf-Ti ,…

Q: The brass scale of a mercury barometer gives the correct length of the mercury column at 0°C. IF the…

A: We have the formula, ρ∘H∘g=ρtHtg…

Q: A vertical cylindrical tank with a diameter of 6 m and a depth of 2 m is filled with water to the…

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Q: if 30 mL of tea at 95 degrees Celcius is poured into a 100 g glass teacup initally at 25 degrees…

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Q: Global warming will produce rising sea levels partly due to melting ice caps but also due to the…

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Q: A student cramming for their final exam heats up 0.500 L of cold coffee in a Pyrex carafe. The…

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Q: A) Derive an expression for the change in the moment of inertia for such a rod, ΔI, that includes…

A: A) The change in the rod’s inertia can be given as, Here, m and Δl represent the mass and change in…

Q: r air with y=1.4, as the temperature decreases: the viscosity coefficient decreases

A: Viscosity is also known as fluid friction and it opposes any relative motion between two layers of a…

Q: 1-47. Water at A has a temperature of 15°C and flows along the top surface of the plate C. The…

A: First we will calculate τA

Q: Normal forces of magnitude 3.0 x 10° N are applied uniformly to a spherical surface enclosing a…

A: As per our guidelines we are supposed to answer?️ only one question. Kindly repost other questions…

Q: It has been a hot summer, so when you arrive at a lake, youdecide to go for a swim even though it is…

A: Specific heat of any substance may be defined as the amount of heat required to raise the…