Examine the pictures of the thermometers. The image on the right displays how the thermometer has changed after the transfer of kinetic energy. Select the observable feature(s) that could serve as evidence of a kinetic energy transfer. Thermometer Before Thermometer After The liquid moved further down the thermometer. The thermal energy increased. The potential energy increased. There was a temperature decrease. M 17 []
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- In lab we determined the specific heat of several cubes of metal. One of those cubes was lead which had a specific heat of 0.13 J/g oC. Let’s imagine a thought experiment where we drop a 100 g piece of lead off the roof of a 10 meter tall building. A. How much will the temperature rise for the lead when it hits the ground? B. How much potential energy does the lead have at the top of the roof? C. How much kinetic energy does the lead have just prior to striking the ground? Assume that the mechanical energy is conserved and transferred to the lead to be thought of as heat, Q. Using Q = mc(T-To), solve for (T-To), the change in temperature.What concept \describes when you stand near a campfire?A. EnthalpyB. EntropyC. Latent Heat Describe the movement and changes that take place in a large energy reservoir that all processeswithin it are quasi-static.A. Very slow and very minuteB. Very slow and very bigC. Very fast and very minuteD. Very fast and very big> Consider the process shown in (Figure 1). Suppose E₁ = 2 J. Figure E (J) 4E₁- 3E₁- 2E₁- E₁ 0- LLL + + K₁ + U₁ + Wext = K₁ + U₁ + AEth Part A What is the final potential energy of the system for this process? Express your answer with the appropriate units. U₁ = Value Submit HA Provide Feedback Request Answer PERE Units Pearson ?
- 3 of 4 A stainless-steel-bottomed kettle, its bottom 25 cm in diameter and 1.6 mm thick, sits on a burner. The kettle holds boiling water, and energy flows into the water from the kettle bottom at 800 W. Review I Constants I Periodic Tabl Part A What is the temperature of the bottom surface of the kettle? Thermal conductivity of stainless steel is 14 W/(m K). Express your answer using four significant figures. VO AEO ? T = 102.65 °C Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Review your calculations and make sure you round to 4 significant figures in the last step. Ne Provide FeedbackPls help ASAP. Pls show all work and calculations. Pls write the heat balance between the ice cubes and the soft drink. Pls consider the thermal energy required for the phase change of the ice cubes.Using Thermodynamics and Work, Energy and Power A rubberized sphere contains carbon dioxide. If the initial radius of the sphere is 15cm:a. How much work is done if the carbon dioxide-filled sphere expanded to five times its originalvolume against the pressure at STP? Express your answer in L atm.b. Upon the expansion of the sphere, what is the kinetic energy of a single carbon dioxidemolecule if it travels across the diameter and covers it in 30ms? Assume that the spherecontains one mole of carbon dioxide. Express your answer in J.c. How much power can all the molecules in this sphere generate after 30s? Assume that thesphere contains one mole of carbon dioxide and that all molecules have the same kineticenergy. Express your answer in W. (Use the KE obtained from the previous required)
- A 200 g piece of ice at 0o C is placed in 500 g of water at 20o C. This system is in a container withThis system is in a container with negligible thermal capacity and isolated from its surroundings.a. Could the equilibrium temperature be 0o C, or 20o C? Justify. b. Who provides and who receives heat in the system? The one who supplies, supplies how much heat? Justify. c. Based on the answer above, what can you tell us about the phase of the system, i.e., how much ice and water is there?Justify. d. Based on the answer above, what is the equilibrium temperature of the system? JustifyRcmid=41322&page%=D3 edures Useful Links Help E This module Participants► Observe the diagram below showing change in state. Decrease heat and increase pressure en Q Solid Gas Liquid R Increase heat and Decrease pressure Which process is represented by letter R? Select one: a. Condensation b. Evapouration c. Vaporization Activate Go to Set Previous nV Irccd.instructure.com VVTKP... V TemperatureAndHeat.pptx HYS310_VQ_TemperatureAnd Heat.pptx (109 KB) | A Alternative formats Question 4 How much heat must be added to 100g of ice at 0 C to melt the ice completely? Give your answer with 3 significant figures. Compute your answer in Joules but again only enter a number. Heat of fusion for ice = 334 J/g
- Answer the questions that follow. 1. Explain how the Zeroth law of thermodynamics in the figure A and B. 2. Metal lids on glass jars can often be loosened by running hot water over them. How is this possible? 3. Does it really help to run hot water over a tight metal lid on a glass jar before trying to open it? Explain your answer. 4. When a cold alcohol thermometer is placed in a hot liquid, the column of alcohol goes down slightly before going up. Explain why.You propose to climb several flights of stairs to work off the energy you took in by eating a 900-calorie hot fudge sundae. How high must you climb? Assume that your mass is 60.0 kg. Note food calorie=1kcal.A. 4151 m B. 1572 m C. 6410 m D. 8423 ma) What is the specific heat capacity of water? b) Calculate the thermal energy (Q) transferred to a litre of water when you are using a domestic kettle to boil the water, given the following equation: Q = MCAT Equation 1 and assuming the following: Initial Temperature, T¡ = 20 °C, Final temperature, Tr= 100 °C, 1 litre of water= 1kg of water. Show all your calculations. c) Comment on the assumptions and approximations that you have made.