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IgorLugansk [536]
3 years ago
7

What must be true about two objects if heat is flowing between them?

Chemistry
2 answers:
Degger [83]3 years ago
6 0

The objects may exchange heat between each other if they are in contact with each other.

The two objects will allow flow of heat between them if they have a difference in temperature from each other.

The heat will flow from higher temperature object to lower temperature object. The will reach a final temperature (common to each other) and then there will be no heat transfer between each other.

Pavlova-9 [17]3 years ago
3 0

Answer:

There is temperature difference between the two objects.

Explanation:

If heat is flowing between two objects then there is a temperature difference between the two. One object is at a higher temperature than the other as heat only flows from high temperature to low temperature. Finally when both the objects reaches the same final temperature then heat stops flowing between them. The two objects now has reached a thermal equilibrium.

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You want to know how many moles of gas your lungs can hold. You start off with a balloon that has 1.4 moles of gas and occupies
Mrrafil [7]

Number of moles : n₂ = 1.775 moles

<h3>Further explanation</h3>

Given

Moles = n₁ = 1.4

Volume = V₁=22.4 L

V₂=28.4 L

Required

Moles-n₂

Solution

Avogadro's hypothesis, at the same temperature and pressure, the ratio of gas volume will be equal to the ratio of gas moles  

The ratio of gas volume will be equal to the ratio of gas moles

\tt \dfrac{V_1}{V_2}=\dfrac{n_1}{n_2}

Input the values :

n₂ = (V₂ x n₁)/V₁

n₂ = (28.4 x 1.4)/22.4

n₂ = 1.775 moles

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Explain why an indicator is used in titration
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Hope it helped!!

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