Problem

A helium-filled balloon spontaneously deflates ov…

01:24

Problem 3 Medium Difficulty

Indicate whether the following processes are spontaneous or nonspontaneous.
(a) Liquid water freezing at a temperature below its freezing point
(b) Liquid water freezing at a temperature above its freezing point
(c) The combustion of gasoline
(d) A ball thrown into the air
(e) A raindrop falling to the ground
(f) Iron rusting in a moist atmosphere

Answer

a) This is a spontaneous process.
b) This is not a spontaneous process.
c) This is not a spont aneous process.
d) This is not a spontaneous process.
e) This is a spontaneous process.
f) This is a spontaneous process.

Related Courses

Chemistry 102

Chemistry

Chapter 16

Thermodynamics

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Kevin C.

January 18, 2021

3. Indicate whether the following processes are spontaneous or nonspontaneous. a. Liquid water freezing at a temperature below its freezing point b. Liquid water freezing at a temperature above its freezing point c. The combustion of gasoline d. A ball th

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Video Transcript

There are two types off reaction. Spontaneous and non spontaneous. Spontaneous reaction has a tendency to occur naturally. That is, they don't require any external energy. Togo, in a forward direction by non spontaneous reaction, requires an an external energy for the question. Option A is a spontaneous process. When the liquid is kept at a temperature below its freezing point, it turns into ice. Option B is a non spontaneous precise because when a liquid get at a temperature above its freezing point, it will be in a liquid state. It will require an external energy like reduction off temperature in order to freeze. Hence liquid water freezing at the temperature above the freezing point. A spontaneous is nonce one genius option. C. When gasoline is a volatile liquid, when it is kept in open here, it rapidly the acts with oxygen present in the atmosphere, giving out heat. So this process is called US combustion off gasoline, as it requires no external force. It is a spontaneous process for Option D. If anybody want to true a ball into the air, one need to apply an external force opposite to the gravitational force. Hence it is a non spontaneous process for auction. E. When Jane broke falls on the ground, then no external force is applied on the raindrop to teach to the ground. It is all gravitational force. It is just wanting his reaction bye for option if it is also spontaneous, because when I didn't get in west atmosphere, it reacts with oxygen in the air to form iron oxide, which leads to the formation off rust.

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