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natima [27]
2 years ago
15

Heating chemicals is defined by the process of combustion.

SAT
1 answer:
netineya [11]2 years ago
8 0

The statement "Heating chemicals is defined by the process of combustion" is false, combustion is a chemical reaction in which fuels combine with oxygen from the air to release heat.

<h3>What is combustion?</h3>

  • It is a rapid oxidation process of certain fuel elements, that is, consisting mainly of hydrogen, carbon and sometimes sulfur.

  • All combustion processes require the participation of an oxidant, mainly oxygen from the air.

  • It is based on the exothermic chemical reaction of a substance or mixture of substances called fuel.

Therefore, we can conclude that a combustion process is a type of exothermic reaction that causes a rapid oxidation process therefore the statement "Heating chemicals is defined by the process of combustion" is false.

Learn more about the process of combustion here: brainly.com/question/17580726

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You want to restrict the values entered in a cell to a specific set such as hop skip jump
Ksivusya [100]

The list is the best data validation that you should use if you want to restrict the values to a specific set.

<h3>What is data validation in a spreadsheet?</h3>

This is a feature in a spreadsheet such as excel that helps to control the entries that the users are allowed to input in  a cell.

You can use this excel feature to ensure that a value is a number that is between 1 and 5.

<u />

<u>Complete question:</u>

You want to restrict the values entered in a cell to a specified set, such as hop, skip, jump. Which type of data validation should you use?

database

list

input range

custom

Read more on data validation here: brainly.com/question/25895973

4 0
2 years ago
True/ False: Gas lines that break during a tsunami do not cause a fire because there is too much water.
Aleks04 [339]

Answer:

false

Explanation:

the tusnami is caused by volcano

I hope this will help you

8 0
2 years ago
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Two jets took off from an airport at the same time using parallel runways. One flew East at 220 mph and the other flew West at 4
skelet666 [1.2K]
 your answer would be 3 hours
6 0
3 years ago
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Which is NOT done by a realtor? A. Help buyers find a home they like B. Collect a commission of about 3% of the purchase price C
mariarad [96]

Answer:

B collect a commission...

Explanation:

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A ceiling fan operates at three speeds, using 120 v of electricity from the wall. At low speeds, it uses 0. 25 a. Calculate the
wolverine [178]

A) The calculated resistance needed to generate the current at low speed is; R = 480 ohms

B) Resistance at medium and larger speeds are;

At medium speed; R is less than that at low speed

At larger speed; R is less than that at medium speed.

A) We are given;

Voltage; V = 120 V

Current at lower speed; I = 0.25 A

Formula for resistance here is;

R = V/I

R = 120/0.25

R = 480 ohms

B) This means that if larger currents are required at higher speeds, it means that lower resistance would be required.

Similarly at medium currents the resistance will be lesser than that at lower speed but greater than that at larger speeds.

Read more on ohms law at; brainly.com/question/1220677

6 0
2 years ago
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