Kinetic energy in the form of heat increases the motion of the molecules. Regions B and D of heating curve represent segments of the curve where heat is being added, but the temperature is not chan I 840 1.20 110 100 SO BO D E
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- 400 J of work are done on a system in a process that decreases the system's thermal energy by 300 J. You may want to review (Pages 524 - 525). How much heat energy is transferred? Express your answer with the appropriate units. u Value Submit % O O A Units www. ? X Previous Answers Request AnswerAn electrical power station requires 1.05 × 1014 J of heat transfer into the engine and has an efficiency of 42 %. a.) How much heat transfer occurs to the environment by the electical power station in J? b.) What is the ratio of heat transfer to the environment to work output? c.) How much work is done in J?Air in a balloon does 37 J of work while absorbing 88 J of heat. What is its change in internal energy?
- An engine releases 0.150 kJ of heat for every 0.310 kJ of work it does. What is the efficiency of the engine?The air inside a bicycle tire pump has 19.1 joules of work done on it as 3.8 joules of heat is conducted away from it. What is the change in internal energy of the air? Calculate answer to one decimal.The air inside a bicycle tire pump has 11.6 joules of work done on it as 4 joules of heat is conducted away from it. What is the change in internal energy of the air? Calculate answer to one decimal.
- An automobile engine generates 2103 Joules of heat that must be carried away by the cooling system. The internal energy changes by -2726 Joules in this process. Calculate w for the engine. This represents the work available to push the pistons in this process. w = JoulesFor the heat pump (used for heating) illustrated below, what is its coefficient of performance for heating. Ag? The gas is monatomic. p(Pa) 6 A. 8/3 B. 2 C. 11/3 D. 14/3 E. 19/7 2 V(m³) 34Six grams of liquid X at 35 degrees Celsius are added to 3 grams of liquid Y at 20 degrees Celsius. The specific heat of liquid X is 2 calories per gram per degrees Celsius, and the specific heat of liquid Y is 1 calorie per gram per degree Celsius. Now imagine that liquid X continues to transfer energy to liquid Y 12 calories at a time. How many total transfers would be required to reach a common temperature? 04 O more than S 02
- From the perspective of energy efficiency an ideal cooking utensil should not absorb a large part of the thermal energy it receives from the stove. It also should not change its size as it is heated. In terms of the specific heat S and coefficient of thermal expansion a, which choice below satisfies these requirements? Both S and a should be large. Both S and a should have small values. Small S but large a. Large S but small a.answer the question >>>>>The air inside a bicycle tire pump has 14 joules of work done on it as 8.8 joules of heat is conducted away from it. What is the change in internal energy of the air? Calculate answer to one decimal.