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Readme [11.4K]
3 years ago
11

Is it A? NEED HELP ASAP PLEASE

Chemistry
2 answers:
myrzilka [38]3 years ago
6 0

Answer:

yea it is if not then sorry

Explanation:

Vladimir79 [104]3 years ago
6 0
Yes your answer is correct
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Complete the sentence using the correct word: conduction,
Naddika [18.5K]

Answer:

<u>Convection</u>

Explanation:

<u>Convection definition</u>:

the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.

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3 years ago
10 points
puteri [66]

Answer: Using more fossil fuels

Explanation: Burning fossil fuels releases Green House gasses into the atmosphere, such as carbon dioxide. The carbon dioxide in the atmosphere traps in heat, which causes global temperatures to increase.

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3 years ago
Structure of 2,3-dimethylheptane
olga55 [171]

Answer:

Please find the structure of the hydrocarbon in the attachment section and details on how to draw it in the explanation section.

Explanation:

Heptane is a member of the alkane group, which has a general formula of CnH2n+2. If n in heptane is 7, this means that the chemical formula for heptane will be C7H16 i.e.

= C7H2(7) + 2

= C7H14+2

= C7H16

C7H16 is the chemical formula for heptane, which is a linear hydrocarbon with 7 carbon atoms and 16 hydrogen atoms. However, in the name of the hydrocarbon compound given in the question: 2,3-dimethylheptane;

- Two methyl groups (CH3) has a substituted two hydrogen atoms specifically at carbon 2 and 3 respectively. Therefore, the new chemical formula of 2,3-dimethylheptane will be: C7H14(CH3)2

Please find the structural formula of the compound; 2,3-dimethylheptane as an attachment.

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3 years ago
A city planner needs a new method for cleaning a town’s water supply. He hires a scientist to research the issue. Because the sc
lilavasa [31]
False i am 87 % sure
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