What condition is necessary for two bodies that are in physical contact with each other to be in thermal equilibrium?
Amelia AdamsThe Zeroeth law of thermodynamics introduces the concept of a statefunction namely temperature whose value determines the condition of thermal equilibrium.
Two (or more) systems having the same value of temperature are in thermal equilibrium with one another and any number of such systems being in diathemic contact with each other results in no net heat transfer from one system to another.
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Xavier AdameFor two bodies to be in thermal equilibrium while in physical contact, it is necessary that they have the same temperature.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- An object with a mass of #120 g# is dropped into #640 mL# of water at #0^@C#. If the object cools by #6 ^@C# and the water warms by #24 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #160 g# is dropped into #750 mL# of water at #0^@C#. If the object cools by #120 ^@C# and the water warms by #5 ^@C#, what is the specific heat of the material that the object is made of?
- Some very hot rocks have a temperature of #660 ^o C# and a specific heat of #150 J/(Kg*K)#. The rocks are bathed in #12 L# of boiling water. If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks?
- An object with a mass of #120 g# is dropped into #640 mL# of water at #0^@C#. If the object cools by #20 ^@C# and the water warms by #16 ^@C#, what is the specific heat of the material that the object is made of?
- An object with a mass of #4 kg#, temperature of #281 ^oC#, and a specific heat of #12 (KJ)/(kg*K)# is dropped into a container with #25 L # of water at #0^oC #. Does the water evaporate? If not, by how much does the water's temperature change?
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