Physics

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Which law of thermodynamics is a restatement of the conservation of energy as it applies to thermal ... Started by Mr. Wonderful	1 Replies 99 Views	Jul 29, 2018 by shaikhs
Which law of thermodynamics addresses the direction of heat flow? A) First law B) Second law C) ... Started by appyboo	3 Replies 98 Views	Jul 29, 2018 by tofugiraffe
When you place a sealed can of air on a hot stove, air in the can undergoes an increase in A) ... Started by BrownTown3	1 Replies 54 Views	Jul 29, 2018 by carojassy25
When work is done by a system and heat is subtracted, the temperature of the system A) increases. ... Started by londonang	1 Replies 106 Views	Jul 29, 2018 by softEldritch
When work is done by a system and no heat is added, the temperature of the system A) increases. ... Started by audie	1 Replies 84 Views	Jul 29, 2018 by jamesnevil303
When you rapidly stir some raw eggs with an egg beater, their temperature A) increases. B) ... Started by c0205847	3 Replies 54 Views	Jul 29, 2018 by SomethingSomething
Because a refrigerator operates by a motor, leaving the refrigerator door open for hours in a closed ... Started by cabate	1 Replies 151 Views	Jul 29, 2018 by frejo
As entropy in a system increases, energy within the system A) becomes more ordered. B) becomes ... Started by Chelseaamend	1 Replies 99 Views	Jul 29, 2018 by sabina576
To say that water has a high specific heat capacity is to say that water A) requires a lot of ... Started by tatyanajohnson	1 Replies 109 Views	Jul 29, 2018 by brittanywood
Which will stay cooler for a longer time in a picnic cooler on a hot summer day? A) sandwiches ... Started by erika	3 Replies 133 Views	Jul 29, 2018 by Brummell1998
San Francisco has milder winters than Washington D.C. due to water's high A) conductivity. B) ... Started by Mollykgkg	1 Replies 38 Views	Jul 29, 2018 by jxjsniuniu
Which has the greater specific heat capacity; the filling of a hot piece of pie or the crust? A) ... Started by joesmith1212	1 Replies 74 Views	Jul 29, 2018 by dajones82
The specific heat capacity of aluminum is more than twice that of copper. Place equal masses of ... Started by c0205847	1 Replies 112 Views	Jul 29, 2018 by LegendaryAnswers
Materials composed of molecules that absorb large amounts of energy in the form of vibrations and ... Started by V@ndy87	3 Replies 114 Views	Jul 29, 2018 by brbarasa
The average frequency of radiant energy is directly proportional to the A) Celsius temperature of ... Started by mydiamond	1 Replies 79 Views	Jul 29, 2018 by lauravaras
Which contracts more when the temperature is decreased? Equal volumes of A) iron. B) wood. C) ... Started by sjones	1 Replies 131 Views	Jul 29, 2018 by karlss
The operation of a bimetallic strip relies on differences in A) expansions of metals. B) ... Started by mpobi80	1 Replies 37 Views	Jul 29, 2018 by cclemon1
A pre-electronic thermostat employs a coiled A) wire of low conductivity. B) bimetallic strip. ... Started by folubunmi	3 Replies 97 Views	Jul 29, 2018 by kusterl
Which expands more when the temperature is increased? Equal volumes of A) iron. B) wood. C) ice ... Started by serike	1 Replies 196 Views	Jul 29, 2018 by jrpg123456
When a metal ring with a gap in the shape of the letter C is cooled, the gap becomes A) wider. ... Started by Medesa	1 Replies 40 Views	Jul 29, 2018 by jaykayy05
The overflow of gasoline from a car's full metal tank on a hot day is evidence that gasoline expands ... Started by Cooldude101	1 Replies 136 Views	Jul 29, 2018 by memslove
If glass expanded more than mercury in a thermometer, then with rising temperature the column of ... Started by dakota nelson	3 Replies 222 Views	Jul 29, 2018 by Briannahope
If water at 20C slightly increases in temperature, the water A) expands. B) contracts. C) ... Started by kodithompson	1 Replies 144 Views	Jul 29, 2018 by tashiedavis420
Conduction has most to do with electrons and atoms A) bumping into one another. B) flowing past ... Started by Redwolflake15	1 Replies 56 Views	Jul 29, 2018 by guyanai
Water at 4C will expand when it is slightly A) cooled. B) warmed. C) both of these D) none of ... Started by Beheh	1 Replies 106 Views	Jul 29, 2018 by xoxo123