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OverLord2011 [107]
3 years ago
5

Write structures for the three isomers of the aromatic hydrocarbon xylene, C6H4(CH3)2.

Chemistry
1 answer:
levacccp [35]3 years ago
5 0

Answer:

Explanation:

Xylene exists as 3 isomers like Ortho ,para and meta xylenes

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The capacity of a muscle to continue contracting over a period of time without fatigue is called:
siniylev [52]
<span>B. muscular endurance

</span>The capacity of a muscle to continue contracting over a period of time without fatigue is called muscular endurance.
NOT:
A. muscular strength. 
<span>C. cardiovascular endurance. </span>
<span>D. power.</span>
6 0
3 years ago
What is the number of Valence Electrons for Chlorine?
Alex_Xolod [135]

Answer:

7

Explanation:

6 0
3 years ago
An isotope of cesium-137 has a half-life of 30 years. If 5.0g of cesium-137 decays over 60 years. How many grams will remain.
LenKa [72]

Answer:

1.25 gram of cesium-137 will remain.

Explanation:

Given data:

Half life of cesium-137 = 30 year

Mass of cesium-137 = 5.0 g

Mass remain after 60 years = ?

Solution:

Number of half lives passed = Time elapsed / half life

Number of half lives passed = 60 year / 30 year

Number of half lives passed = 2

At time zero = 5.0 g

At first half life = 5.0 g/2 = 2.5 g

At 2nd half life = 2.5 g/ 2 = 1.25 g

Thus. 1.25 gram of cesium-137 will remain.

6 0
2 years ago
The surface of the earth is divided into more than 50 large plates
Romashka-Z-Leto [24]

Major Plates

Africa Plate
Antarctic Plate
Indo-Australian Plate
Australian Plate
Eurasian Plate
North American Plate
South American Plate
<span>Pacific Plate
Minor Plates
There are dozens of smaller plates, the seven largest of which are:
</span>Arabian Plate
Caribbean Plate
Juan de Fuca Plate
Cocos Plate
Nazca Plate
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5 0
2 years ago
PLEASE HELP WILL GIVE BRAINLIEST
bija089 [108]

Answer:

sorry i'm not a scientist but i think it's C

Explanation:

sorry again if i get it wrong for u :(

3 0
2 years ago
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