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What is internal energy? If you had a gram of copper
and a gram of water, both at temperature 0° C, would
they have the same internal energy?
什么是内能？如果你有一克铜和一克水，它们的温度都是0° C，它们的内能是否相同？
What is temperature? When two objects have the
same temperature, what physically is the same
about them?
温度是什么？当两个物体温度相同时，它们在物理上有什么是相同的？
What is heat? Does an object contain a measureable
property called heat?
什么是热？物体是否具有一种可测量的性质称为热？
What is specific heat?Why is the specific heat
of water so much larger than that of copper?
什么是比热容？为什么水的比热容比铜大得多？
What is meant by a phase change? Since large
energies are required to change the phase, why
doesn't the temperature change?
什么是相变？由于要改变相需要大量的能量，为什么温度不会变化？
How is the heat of fusion of ice measured?
What will be the effect on the measured value
if the ice is wet?
冰的熔化热是如何测量的？如果冰是湿的，会对测量值产生什么影响？
What is the First Law of Thermodynamics and
how is it related to conservation of energy?
什么是热力学第一定律，它如何与能量守恒相关？
What are the common means of transferring heat
from a hot object? What cooling mechanisms are
used by the human body?
如何从热物体中转移热量？人体使用哪些冷却机制？
Is there any way to get heat to move from a cold
object to a hot object?
有没有办法让热量从冷物体转移到热物体？
How does radiation explain phenomena like a
red hot poker? the 3K background radiation?
辐射如何解释像红热的铁棒这样的现象？以及3K背景辐射？
How can the large energies involved in phase
changes be used to advantage?
如何利用相变中涉及的大量能量？
What determines the rate at which heat is radiated
from an object?
决定物体辐射热量速率的因素是什么？
What is the greenhouse effect? What contributes
to the atmospheric greenhouse effect?
什么是温室效应？什么贡献于大气中的温室效应？
Describe the nature of radiated energy as a
function of the temperature of the radiating object.
描述辐射能量如何随辐射物体的温度变化。
If a uniform metal plate with a hole in it is
heated, will the hole get larger or smaller?
如果一个带有孔的均匀金属板被加热，孔会变大还是变小？
What is the difference between evaporation
and boiling?
蒸发和沸腾有什么不同？
What is the definition of the boiling point?
How does it change with pressure?
沸点的定义是什么？它如何随压力变化？
How do you predict the effects on a gas of
changes in pressure, volume, and temperature?
如何预测压力、体积和温度变化对气体的影响？
If the pressure on a constant temperature
gas is doubled, what will happen to its
volume?
如果对温度不变的气体施加双倍的压力，其体积会发生什么变化？
If the temperature of a constant volume of
gas is doubled, what will happen to the
pressure?
如果气体体积保持不变，温度加倍时，压力会发生什么变化？
Why must absolute temperature and absolute
pressure be used in calculating the final
volume and temperature in the above examples?
为什么在上述例子中计算最终体积和温度时必须使用绝对温度和绝对压力？
Homework set#13
第13次作业 |