15. Which one or more of the following techniques can be used to freezewater?A. Cooling the water below its normal freezing point of 0 °C at thenormal atmospheric pressure of 1.01 × 10ʻ PaB. Cooling the water below its freezing point of – 1 °C at a pres-sure greater than 1.01 × 10° PaC. Rapidly pumping away the water vapor above the liquid in aninsulated container (The insulation prevents heat flowing fromthe surroundings into the remaining liquid.)(a) Only A (b) Only B (c) Only A and B (d) A, B, and C (e) Only C

The option A, is the technique in which the water normally freezes at normal atmospheric pressure.

Answered: 15. Which one or more of the following…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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b. If 0.3kg of the water in the bucket is poured into a kettle at 7°C i. How much energy is needed to boil the kettle (raise the temperature to 100C)? ii. How much energy is needed to evaporate all the water in the kettle? (c for water = 4.2 x 10³ J kg' K'', Latent Heat of Vaporisation = 2.3 x %3D 10° Jkg")
1. Two 50g ice cubes are dropped into 200g of water in a thermally insulated container. The water is initially at 25°C, and the ice comes directly from a freeze at -15°C, what is the final temperature of the drink when the drink reached thermal equilibrium?
6.
8. You drop 182 g of ice at 0°C into a glass containing 431 ml of water at a temperature of 28°C. How many grams of ice will be remaining once the temperature has attained a steady-state (i.e. once it has stopped changing)? Ignore the effects of the glass. Quantity Specific Heat Capacity of Liquid Water 4190 J/kg/°C Specific Heat Capacity of Ice Value 2100 J/kg/°C 334 x 10 J/kg 1 g/ml Latent Heat of Fusion of Water Density of Liquid Water About 31 g About 151 g About 34 g About 65 g About 249 g
7. A cube of ice is taken from the freezer at -14 °C and placed in a 130 g aluminum calorimeter filled with 350 g of water at a temperature of 26 °C. The final situation is observed to be all water at 14 °C. What was the mass of the ice cube? (Cwater-4186 J/kg. °C, Cal 900 J/kg.°C, Cice-2000 J/kg. °C, L=3.35 × 10 J/kg) grams #3 80 F3 E $ 4 000 F4 R DE F % 5 F5 T ● G ^ 6 MacBook Air B F6 Y H & 7 F7 U N * 0 8 J DII F8 M 9 K 2 F9 O < L F10 P J F11 + F12 8 100 ? 1
4. A 3-m-high wall and 5-m-wide wall consists of long 18-cm x 30-cm cross section horizontal brick (k = 0.72 W/m.°C) with 12-cm x 24-cm fiberglass insulation material (k = 0.043 W/m.°C) as the center core. The bricks are separated by 3-cm-thich plaster (k= 0.22 W/m. °C). There are also 2-cm-thich plaster on each side of the brick and a 2-cm-thick foam (k = 0.026 W/m. °C) on the inner side of the wall, as shown in Fig. Q3. The indoor and outdoor temperatures are 20 °C and -10 °C, respectively, and the convection heat transfer coefficients on the inner and the outer sides are h1 = 10 W/m² °C and h₂ = 25 W/m² °C, respectively. Assuming one-dimensional heat transfer and disregarding radiation, calculate the rate of heat transfer through the wall. Foam Plaster 11.5 cm Brick 2cm 2cm 18 cm 2cm 30 cm 1.5 cm Fiberglass. insulation
1. If two thermometers, one reading oc and the other K, are inserted in the same system, under what circumstance will they both have the same numerical reading? What will be the system's temperature when the absolute thermometer reads twice the numerical reading of the Celsius thermometer?
2
1. Imagine you have 1 kg each of iron, glass, and water, and all three samples are at 10°C. The specific heat capacities of each are as follows: Ciron = 448J/kg. °C Cglass=837J/kg. °C Cwater 4186J/kg. °C = (b) Rank the samples from greatest to least amount of energy transferred by heat if each sample increases in temperature by 20°C. Support you answers with appropriate calculations/explanations where required.
6. How much ice (at 0°C) must be added to 1.95 kg of water at 81 °C so as to end up with all liquid at 14 °C? (c J/(kg.°C), Cw 4186 J/(kg.°C), Lf=3.35 × 10° J/kg, Ly=2.26 × 10° J/kg) kg f60 ssfo 60 160 ssf60 = 2000 160 ssf60
5. A 0.400-kg of ice is initially at temperature of -12.0 °C. How much heat is required to melt two-third the mass of the ice only? J
4. A well-insulated styrofoam bucket contains 150 g of ice at 0 °C. If 21 g of steam at 100 °C is injected into the bucket, what is the final equilibrium temperature of the system?(cwater=4186 J/kg.°C, Lf=3.35 × 10° J/kg, Ly=2.26 × 10° J/kg) °C ssf60ss ssf60 ss 60 ssf6u

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