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Neko [114]
3 years ago
13

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have?

Chemistry
1 answer:
Orlov [11]3 years ago
6 0

The fewer the carbon atoms, the closer it is  to being a gas. The only one you have to check out is A which is hexane. You know that gasoline at the pumps has 8 carbons and its a liquid. So B and C are both not gases  because they are above 8.

C6 (hexane) is a liquid at room temperature not a gas.

The answer is D. If there is a gas present, it must be C3

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01:20:24
Doss [256]

Explanation:

If two gases are present in a container, the total pressure int in the container is equal to the sum of the partial pressure of each individual gas. This is given by Dalton and it is known as Dalton's Law of Partial Pressure. The combined pressure of the two gases

3 0
3 years ago
Which of these is a reason an engineer may choose to use a prefabricated
Maksim231197 [3]

Answer:

B.

Explanation:

customization requires more material, more machine time which can creates a greater impact on the environment in the sense of pollution (travel by the extra employees, creation of custom materials, increased machine running time). Good luck in your studies. Hope this answers your question in full.

7 0
2 years ago
What are the threats to coral reefs
spayn [35]
No answer choices?

Well, human destruction, pollution and overpopulation could all be threats to coral reefs. 
3 0
4 years ago
Read 2 more answers
Fill in the coefficients that will balance the following reaction:
Burka [1]

Answer:

a0 = 2

a1= 9

a2= 6

a3= 8

Explanation:

The equation for the reaction is;

C3H7OH + O2 → CO2 + H2O

To balance the chemical equation we introduce coefficients;

Therefore the balanced chemical equation will be;

2C3H7OH + 9O2 → 6CO2 + 8H2O

Chemical equations are balanced to ensure the law of conservation of mass is obeyed, such that the mass of the reactants is equivalent to that of the products.

3 0
3 years ago
Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following:
maksim [4K]

The electron group arrangement of CF₄ is penta-atomic. The molecular shape is tetrahedral, and the bond angle is 109.5°.

<h3>What is the electron group arrangement?</h3>

Electron group arrangement is the arrangement of the electron of a compound. This is the geometry of the structure of the compounds. The different types of arrangements are, trigonal planar, tetrahedral, trigonal bipyramidal, or octahedral.

The carbon tetrafluoride has a tetrahedral structure, with a bond angler of 109.5°.

Thus, the electron group arrangement of CF₄ is penta-atomic. The molecular shape is tetrahedral, and the bond angle is 109.5°.

To learn more about electron group arrangement, refer to the link:

brainly.com/question/17018194

#SPJ4

4 0
2 years ago
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