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Nata [24]
3 years ago
8

NEED URGENT HELP WITH SCIENCE HOMEWORK. TRIED MY BEST TO FIGURE OUT BUT COULDNT. I WILL MARK YOU BRAINLIEST!!

Chemistry
1 answer:
Dennis_Churaev [7]3 years ago
8 0

Answer:

1. a

2. c

3. b

4. d

5. True

6. True

7. Cold Tundra

8. False

Explanation:

These are the answers. I had the same questions on my science quiz.

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Octane C8H18 is an ingredient in gasoline. How many carbon atoms are in 20 kg of octane? help please
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Answer:

Octane is a hydrocarbon and an alkane with the chemical formula C 8 H 18, and the condensed structural formula CH 3 (CH 2) 6 CH 3.Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane (commonly called iso-octane) is used as one of the standard values in the octane rating scale.

Chemical formula: C₈H₁₈

Molar mass: 114.232 g·mol−1

Melting point: −57.1 to −56.6 °C; −70.9 to −69.8 °F; 216.0 to 216.6 K

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