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Mazyrski [523]
3 years ago
10

Mary discovered that the cell membrane of a bacteria act like a fence because it keeps some things in and other things out

Chemistry
2 answers:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

The Answer is B. Analogy

adoni [48]3 years ago
6 0

Answer:

The correct answer will be option-B.

Explanation:

The analogy is a concept of comparing the two completely different things based on the similarity between these things and concepts. The concept of analogy is used to explain or make things clear while explaining a thing.

In the given question, since the membrane of the bacteria is compared to the fence of a garden which is two different things, therefore, the analogy will be the correct answer.

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Express the following in liters at STP:<br><br><br><br> 6.62 x 10-3 moles HF
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Answer:

The volume of 6.62×10⁻³moles of HF at STP is 148.38×10⁻³ L

Explanation:

Given data:

Number of moles of HF =  6.62×10⁻³ mol

Volume of HF in litter at STP = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

Standard temperature = 273 K

Standard pressure = 1 atm

Now we will put the values in formula.

1 atm × V = 6.62×10⁻³mol ×0.0821 atm.L/ mol.K   × 273 K

V = 6.62×10⁻³mol ×0.0821 atm.L/ mol.K   × 273 K  / 1 atm

V = 148.38×10⁻³ L

Thus, the volume of 6.62×10⁻³moles of HF at STP is 148.38×10⁻³ L.

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Answer:

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3 years ago
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