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- (a) If a 500mL glass beaker is filled to the brim with ethyl alcohol at a temperature of 500C, how much will overflow when its temperature reaches 210C ? (b) How much less water would overflow under the same conditions?(a) What is the gauge pressure in a 25.0 cc car tire containing 3.60 mol of gas in a 30.0-L volume? (b) What will its gauge pressure be if you add 1.00 L of gas originally at atmospheric pressure and 25.0 ? Assume the temperature remains at 25.0 cc and the volume remains constant.(a) What is the rate of heat conduction through the 3.00-cm-thick fur of a large animal having a I .40-m surface area? Assume that the animal's skin temperature is 32.0 , that the air temperature is 5.00 , and that has the same thermal conductivity as air. (b) What food intake will the animal need in one day to replace this heat transfer?
- 23.0 g of copper pellets are removed from a 300 degree celsius oven and immediately dropped i to a 80.0 mal of water at 20.0 celsius in an insulated cup. What will the new water temperature be? Please help! I can't figure this question out.The initial temperature of 150 g of ice is -20°C. The spe-cific heat capacity of ice is 0.5 cal/g.C° and water's is1 cal/g•C°. The latent heat of fusion of water is 80 cal/g.a.How much heat is required to raisethe ice to 0°C andcompletely melt the ice?b. How much additional heat is required to heat the water(obtained by melting the ice) to 25°C?C.What is the total heat that must be added to convert the80 g of ice at-20°C to water at +25°C?d. Can we find this total heat simply by computing howmuch heat is required to melt the ice and adding theamount of heat required to raise the temperature of 80 gof water by 45°C? ExplainUse the table below the solve the ff thermal expansion problems: An aluminum flagpole is 33 m high. By how much does its length increase as the temperature increases by 15 °C? At 20°C, a brass cube has edge length 30 cm. What is the increase in the surface area when it is heated from 20°C to 75°C? 3. What is the volume of a lead ball at 30.0°C if the ball’s volume at 60.0°C is 50.00 cm3?
- How much heat in KJ must be transferred to 20 kg of air to increase the temperature from 20 degrees to 280 degrees C if the pressure is maintained constant?a. 2500b. 2050c. 5200d. 5500 The correct answer here is letter c. 5200. I just need the complete solution. Thank you! :)A rectangular window in a home has a length of 1.5 m and a height of 0.80 m. If the window allows heat to escape from the home at a rate of 2,000 watts, how thick must the window be if the inside temperature of the home is 220 C and the outside temperature is 3.00C? (Assume that the coefficient of thermal conduction of glass is 0.80 W/mK.) a. 7.1 mm b. 124 mm c. 9.1 mm d. 8.1 mm e. 11 mmIn a laboratory, bunsen burner is used to increase the temperature of lime from 10 °C to 50 °C with the thermal energy of 80000 J. If the mass of the lime is 20 kg the specific heat capacity in of the lime would be A. 25 J/kg Co В В. 50 J/kg C° C. 75 J/kg C° D. 100 J/kg C° E. No answer
- An insulated beaker with negligible mass contains liquid water with a mass of 0.235 kg and a temperature of 72.2 °C. ▼ Part A How much ice at a temperature of -21.4 °C must be dropped into the water so that the final temperature of the system will be 32.0 °C ? Take the specific heat of liquid water to be 4190 J/kg. K, the specific heat of ice to be 2100 J/kg. K, and the heat of fusion for water to be 3.34x105 J/kg . ► View Available Hint(s) mice = 0.096 Submit VE ΑΣΦ Provide Feedback Previous Answers www X Incorrect; Try Again; 5 attempts remaining kg Next >I Review I Constants How many grams of ice at 0° C will be melted in bringing down a 64 kg patient's fever from 40° C to 39° C? If a person has a dangerously high fever, submerging her in ice water is a bad idea, but an ice pack can help to quickly bring her body temperature down. You may want to review (Page). Express your answer using two significant figures. ΑΣφ m Submit Previous Answers Request Answ X Incorrect; Try Again; 2 a remaininYour Uncle Eron DeConcept has found a very tiny hole in the radiator on his car. He says he's not worried about it because it will leak less when the radiator heats up. What does physics say will happen at higher temperature? O The hole will increase, but so will the size of the molecules of coolant. O The hole will shrink. O The hole will remain the same. O The hole will increase in size.
