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Gekata [30.6K]
2 years ago
6

Example of movable and fixed pully.​

Chemistry
1 answer:
Katyanochek1 [597]2 years ago
8 0

Answer:

<h2>A good example of a fixed pulley is a flag pole: When you pull down on the rope, the direction of force is redirected by the pulley, and you raise the flag. ... Examples of movable pulleys include construction cranes, modern elevators, and some types of weight lifting machines at the gym.</h2>

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Give the number of protons, electrons and neutrons in one atom of Carbon.
Svetlanka [38]

Answer:

6 protons, 6 neutrons, and 6 electrons.

Explanation:

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3 years ago
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Chapter 15 of your textbook discusses conjugation and various reactions of 1,3-dienes. In CHE 321, we discussed various ways to
xxMikexx [17]

Answer:

Dienes are alkenes that contain two carbon-carbon double bonds, so they have the same properties as these hydrocarbons.

In the attached file are the two reactions of dienes production.

Explanation:

Two ways to obtain dienes are as follows:

-Reaction of oxidative dehydrogenation of an alkane, is an exothermic process and occurs at lower temperatures, diene and water are formed, generating greater conversion at lower temperature levels.

-Dehydration of primary alcohols. The treatment of alcohols with acid at elevated temperatures produces dienes due to water loss. For example, heating ethanol in the presence of sulfuric acid produces ethene by the loss of a water molecule.

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3 years ago
The properties of a substance are not affected by chemical reactions.<br> O True<br> O False
ElenaW [278]

Answer:

False

Explanation:

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2 years ago
What is Lewis symbol for K+
Alexxx [7]

Lewis symbol for K+ is given by a dot and K.

<h3>Meaning of Lewis symbol</h3>

Lewis symbols can be defined as a symbol the is used in describing the valence electron configurations of an atom ions.

A Lewis symbol consists of the symbol of the element and then surrounded by one dot for each of its valence electrons.

In conclusion, Lewis symbol for K+ is given by a dot and K.

Learn more about Lewis symbol: brainly.com/question/6605265

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1 year ago
The power has gone out and you find a flashlight that uses batteries. When you turn on the flashlight, you are transforming:
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In a flashlight, the electrical energy becomes light energy and thermal energy in the bulb.
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3 years ago
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