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vesna_86 [32]
3 years ago
9

Which of the following is the best definition of weather?

Chemistry
2 answers:
Bezzdna [24]3 years ago
4 0

Answer:

C.

Explanation:

The atmosphere changes everyday and that is what makes the weather cold or warm.

miss Akunina [59]3 years ago
3 0

Answer:

C

Explanation:

Weather is what is happening at one point in time

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The amount of matter in a object is referred as:
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Cu + 2AgNO3 → Cu(NO3)2 + 2Ag
Eva8 [605]

Answer:

m_{Ag}=135.8gAg

Y=88.4\%

Explanation:

Hello there!

In this case, according to the described chemical reaction, it is possible to compute the theoretical mass of silver as mass via the 1:2 mole ratio of copper to silver and their atomic mass in the periodic table, in order to perform the following stoichiometric setup:

m_{Ag}=40.gCu*\frac{1molCu}{63.55gCu}*\frac{2molAg}{1molCu}*\frac{107.87gAg}{1molAg}\\\\   m_{Ag}=135.8gAg

Next, given the actual yield of 120 g, we compute the percent yield via:

Y=\frac{120g}{135.8g}*100\%\\\\Y=88.4\%

Regards!

4 0
3 years ago
Which is a true statement about an exterior angle of a triangle?
wolverine [178]

The only true statement about an exterior angle of a triangle from the above is that it forms a linear pair with one of the interior angles of the triangle.

<h3>What is a triangle?</h3>

A triangle can be defined as a one of the plane shapes which has three sides and three angles

So therefore, the only true statement about an exterior angle of a triangle from the above is that it forms a linear pair with one of the interior angles of the triangle.

Learn more about triangles:

brainly.com/question/2217700

#SPJ1

7 0
1 year ago
What is chemistry an how do I learn
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The branch of science that deals with the identification of the substances of which matter is composed

you can learn by reading about it or google it
6 0
3 years ago
Read 2 more answers
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