What is an example of conduction, raditaon convection

Chemistry

1 answer:

Tom [10]3 years ago

3 0

Answer:

convection could be a pot on a stove, radiation could be the sun and heat waves, and conduction could be a cup with coffee.

Explanation:

Conduction occurs when two objects are in direct contact with each other.

Convection is the transfer of heat through liquids and gases. Convection occurs above a hot surface because hot air expands and rises and is replaced by cooler, denser air.

Radiate energy is given off by a hot object and directly absorbed by another cooler object. This cause the cooler object to get warmer. Radiation can occur even if no air is present.

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Describe at least three ways our understanding of the atom has changed overtime?

myrzilka [38]

Answer:

multitide of uses (drinking, cleaning, cooking, transportation). Without water we would not survive. -Lead atoms bond together and they make up the lead that we use as a pencil. -Copper atoms, aluminum atoms, nickel atoms, etc., all make up metal which is used for a variety of things in everyday life.

Explanation:

7 0

3 years ago

Please select the most appropriate answer for the blank: Entropy change is defined only along the path of a(n) ___________ proce

Whitepunk [10]

Entropy change is defined only along the path of an internally reversible process path.

<h3><u>What is Entropy Change </u>?</h3>

Entropy is a measure of a thermodynamic system's overall level of disorder or non-uniformity. The thermal energy that a system was unable to use to perform work is known as entropy.

Entropy Change is a phenomena that measures how disorder or randomness have changed inside a thermodynamic system.
It has to do with how heat or enthalpy is converted during work. More unpredictability in a thermodynamic system indicates high entropy.
Entropy is a state function, hence it is independent of the direction that the thermodynamic process takes.
The rearranging of atoms and molecules from their initial state causes the change in entropy.
This may result in a decrease or rise in the system's disorder or unpredictability, which will, in turn, result in a corresponding drop or increase in entropy.