The graph below shows the heating curve for some substance. The process starts at point 1, corresponding to a temperature below the melting point. Which of the following processes occurs at the 4-5 section of the curve?
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- Heat is applied to an ice-water mixture to melt the ice. In this process, __________________. Select one: a. work is done by the ice-water mixture b. the temperature increases c. the internal energy increases d. all of the abovehow to solve this Using section B, calculate the amount of ice used to produce the graph Use section C of the graph above to determine the amount of ice used to produce the graph.Please asap
- In the table below for E106, which of the following is the amount of heat lost by the metal specimen when dropped in the calorimeter with water? TRIAL 1 Determining the Specific Heat of Metal Specimen Metal Specimen 1 Mass of calorimeter, me Mass of calorimeter with water Mass of water, mi Mass of metal specimen, mm Initial temperature of metal, tom Initial temperature of calorimeter, toc Initial temperature of water, tow Final temperature of the mixture, tmix Specific Heat of Water cw Specific Heat of calorimeter ce Experimental specific heat of metal, cm Actual specific heat of metal, cm Percentage Error O 699 cal O 212 cal O 675 cal O 488 cal 150.0 g 225.0 g 8 100.0 g 100°C 20.0°C 20.0°C 26.5°C 1.0000 çal/gC 0.2174 cal/gC cal/gC 0.0917 cal/gC %A 58-kg cross-country skier glides over snow as in the figure below. The coefficient of friction between skis and snow is 0.24. Assume all the snow beneath her skis is at 0°C and that all the internal energy generated by friction is added to snow, which sticks to her skis until it melts. How far would she have to ski to melt 1.5 kg of snow? Your incorrect answer may have resulted from roundoff error. Make sure you keep extra significant figures in intermediate steps of your calculation. m Need Help? Read It Master itA 58-kg cross-country skier glides over snow as in the figure below. The coefficient of friction between skis and snow is 0.18. Assume all the snow beneath her skis is at 0°C and that all the internal energy generated by friction is added to snow, which sticks to her skis until it melts. How far would she have to ski to melt 1.5 kg of snow?
- Please don't copy and written by hand As shown in the figure below, you have a system including a Cadmium vessel with mass Mvessel = 0.477 kg. The vessel contains water with mass Mwater = 0.219 kg. Both the vessel and water are initially at a temperature of 45.0 degrees Celsius. You add steam into the system. The steam has an initial temperature of 157.9 degrees Celsius and a mass of Msteam = 6.9289 kg. The system will reach equilibrium with all the water having vaporized at some final temperature above 100 degrees Celsius.Find the system final temperature, Tfinal = degrees Celsius Material c (J/(kg K)) Aluminum 897 Beryllium 1820 Cadmium 231 Iron 412 Lead 129 Polyethylene 2303 Steel 466 Uranium 116 Water c (J/(kg K)) ice 2090 water 4186 steam 2010An object was left in a room of unknown surrounding temperature. The temperature of the object was summarized below with respect to the time t(in minutes), the object was initially observed. Predict and complete the information, determine the temperature in Celsius when t = 30minutes. When t = 0, the temperature of the object is 30 degrees Celsius When t = 10 minutes, the temperature of the object is 32 degrees Celsius, When t = 20 minutes, the temperature of the object is 33.6 degrees Celsius, When t = 30 minutes, the temperature of the object is unknown. Assume the system obeys newton’s law of cooling and the surrounding temperature of the room did not change.Beryllium has roughly one-half the specific heat of liquid water (H20). Rank the quantities of energy input required to produce the following changes from the largest to the smallest. In your ranking, note any cases of equality. (Use only the symbols > or =, for example a>b=c) (a) raising the temperature of 1 kg of H,0 from 20°C to 26°C (b) raising the temperature of 2 kg of H20 from 20°C to 23°C (c) raising the temperature of 2 kg of H20 from 1°C to 4°C (d) raising the temperature of 2 kg of beryllium from O-1°C to 2°C (e) raising the temperature of 2 kg of H20 from O-1°C to 2°C