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masya89 [10]
3 years ago
14

The _______ energy in a mechanical system is determined by adding the potential and kinetic energy together.

Chemistry
1 answer:
Semenov [28]3 years ago
5 0

Answer:

I want to say your answer is Mechanical

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A student carefully placed 15.6 g of sodium in a reactor supplied with chlorine gas. When the reaction was complete, the student
BabaBlast [244]

Answer:

24.09 grams of chlorine gas reacted.

Explanation:

2Na(s)+Cl_2(g)\rightarrow 2NaCl(s)

Moles of sodium chloride = \frac{39.7 g}{58.5 g/mol}=0.6786 mol

According to reaction, 2 moles of  NaCl are formed from 1 mole chlorine gas.

Then 0.6786 moles of NaCl will be formed from;

\frac{1}{2}\times 0.6786 mole=0.3393 mol

Mass of 0.3393 moles of chlorine  gas:

0.3393 mol × 71 g/mol = 24.09 g

24.09 grams of chlorine gas reacted.

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4 years ago
A student is given 25.2 mol of CuSO4 and it is dissolved into 3 L of water.
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6 is the answer just did it
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Which of the following best describes temperature?
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Answer:

b

Explanation:

because motions make things hotter

6 0
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Consider the following four pairs of molecules. You may use 1H-NMR, 13C-NMR, or IRspectroscopyto differentiate the structures, b
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Answer:

The question is incomplete. The structures were not added to the question. Find attached of the structure and the given answer.

Explanation:

See the attached file for explanation

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3 years ago
"The difference in our frame of reference between schools of wild Blue Fin Tuna and wild populations of many types of "land base
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1. Wildlife

2. Seafood

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2. Seafood refers to the species which are considered as food which humans get from the sea. In the given question, the Blue Fin fishes are considered a seafood therefore.

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