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jeka57 [31]
3 years ago
14

You and your friend are pushing a bin of books in the same direction. You are pushing with force of 10 N and your friend is push

ing with a force of 15 N. What is the net force applied on the bin?
help me out? :D
Chemistry
2 answers:
lesantik [10]3 years ago
4 0

Answer:

25n

Explanation:

Mrac [35]3 years ago
3 0
It is 5n , that’s it the difference between the 10n and the 15 n
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Answer: 272.5915639999...

Explanation:

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If 190dm of hydrogen gas collected at 20°c and 760mmHg .Calculate it's volume at stp (standard pressure=760mmHg
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Answer:

177.1 L

Explanation:

The excersise can be solved, by the Ideal Gases Law.

P . V = n . R . T

In first step we need to determine the moles of gas:

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We convert P from mmHg to atm → 760 mmHg = 1atm

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(190L.atm) / 0.082 . 293K = 7.91 moles.

We replace equation at STP conditions (1 atm and 273K)

V = (n . R .T) / P

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We can also make a rule of three:

At STP conditions 1 mol of gas occupies 22.4L

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3 0
3 years ago
Reason why chemistry is studied
mina [271]

Answer: Chemistry is the study of change. Various reasons why to study Chemistry is to appreciate the fundamentals of the world such as the composition of all living thing. We are made up of matter. The interaction of sub atomic particles in an atom to form a single being. Also to understand how certain chemicals are beneficial and harmful in our lives just by reading product labels.

Explanation:

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Answer:

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Explanation:

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