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Eduardwww [97]
2 years ago
15

What type of reaction occurs without the addition of heat?

Chemistry
1 answer:
maria [59]2 years ago
5 0

The type of reaction that occurs without the addition of heat is called spontaneous reaction. That is option D.

<h3>What is spontaneous reaction?</h3>

Spontaneous reaction is defined as the reaction where by new substances are formed naturally without the addition of extra energy in the form of heat.

Therefore, the type of reaction that occurs without the addition of heat is called spontaneous reaction

Learn more about heat here:

brainly.com/question/13439286

#SPJ1

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The different types of motion

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An adult mosquitoes lifespan is about 16 days how many minutes is that
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The answer is 23, 040 minutes. To solve this you can start by changing days in to hours. We know that there are 24 hours in a day. To find how many hours are in 16 days you multiply 24 by 16 which is 384. Next you must find out how many minutes are in 384 hours. we know there are 60 minutes per hour. To find how many minutes are in 384 hours, you multiply 384 by 60. To this you get 23, 040 which is your answer.
3 0
3 years ago
When 1.0g of diethyl ether is converted to vapor at its boiling point, about how much heat is absorbed? (C4H10O, Hvap= 15.7kj/mo
Aloiza [94]

Answer:

Option D = 0.2 Kj

Explanation:

Given data:

Mass of diethyl ether = 1.0 g

Hvap = 15.7 Kj / mol

Heat absorbed = ?

Solution:

Q = mass ×  Hvap /  molar mass

Q = 1.0 g × 15.7 Kj / mol / 74.12 g/mol

Q = 15.7 Kj / 74.12

Q =  0.212 KJ

8 0
3 years ago
What is the density of a book that weighs 550 grams and has a volume of 0.5 liters
Oksi-84 [34.3K]

Answer:

1.1gcm^-3

Explanation:

density \:  =  \frac{mass}{volume}

0.5l = 0.5*1000

= 500cm^3

Density = 550/500

Density =

{1.1gcm}^{ - 3}

4 0
2 years ago
I need help i dont get it second question
Luden [163]
Reduction is your answer your looking for
4 0
3 years ago
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