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3 years ago

Compared with clouds, fogs are ____

Chemistry

2 answers:

goblinko [34]3 years ago

6 0

Answer: Option (C) is the correct answer.

Explanation:

Clouds are basically condensed vapors and they can be formed at different altitudes and height.

For example, typically clouds appear between 6,500 feet to 20,000 feet.

Whereas when tiny droplets are suspended into the atmosphere then it is known as fog. And fog, generally appears at lower altitude than clouds.

Therefore, we can conclude that compared with clouds, fogs are at lower altitudes.

dlinn [17]3 years ago

6 0

Answer:

C: at lower altitudes

Explanation:

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The standard emf for the cell using the overall cell reaction below is +2.20 V:

ANEK [815]

Answer:

emf generated by cell is 2.32 V

Explanation:

Oxidation: $2Al-6e^{-}\rightarrow 2Al^{3+}$

Reduction: $3I_{2}+6e^{-}\rightarrow 6I^{-}$

---------------------------------------------------------------------------------

Overall: $2Al+3I_{2}\rightarrow 2Al^{3+}+6I^{-}$

Nernst equation for this cell reaction at $25^{0}\textrm{C}$ -

$E_{cell}=E_{cell}^{0}-\frac{0.059}{n}log{[Al^{3+}]^{2}[I^{-}]^{6}}$

where n is number of electrons exchanged during cell reaction, $E_{cell}^{0}$ is standard cell emf , $E_{cell}$ is cell emf , $[Al^{3+}]$ is concentration of $Al^{3+}$ and $[Cl^{-}]$ is concentration of $Cl^{-}$

Plug in all the given values in the above equation -

$E_{cell}=2.20-\frac{0.059}{6}log[(4.5\times 10^{-3})^{2}\times (0.15)^{6}]V$

So, $E_{cell}=2.32V$

3 0

3 years ago

Understanding chemistry is important for all citizens, particularly people who wish to become political leaders one day

V125BC [204]

Yes and no because it's important for a citizen to have a grasp on chemistry but you do not need it to be a politician

4 0

3 years ago

Read 2 more answers

According to Hess’s law, if a series of intermediate reactions are combined, the enthalpy change of the overall reaction is

sdas [7]

I think the answer is B. the sum of the enthalpy changes of the intermidiate reactions

4 0

3 years ago

Read 2 more answers

If I use the dropper to add 10 mL of drink mix to 50 mL of water, what is the

Yuliya22 [10]

Answer:

16.7%

Explanation:

From the question given above, the following data were obtained:

Volume of drink mix = 10 mL

Volume of water = 50 mL

Percentage of drink mix =?

Next, we shall determine the total volume of the solution. This can be obtained as follow:

Volume of drink mix = 10 mL

Volume of water = 50 mL

Total volume of solution =?

Total volume of solution = (Volume of drink mix) + (Volume of water)

Total volume of solution = 10 + 50

Total volume of solution = 60 mL

Finally, we shall determine the percentage of the drink mix in the solution. This can be obtained as follow:

Volume of drink mix = 10 mL

Total volume of solution = 60 mL

Percentage of drink mix =?

Percentage of drink mix = Vol. of drink mix / total volume × 100

Percentage of drink mix = 10/60 × 100

Percentage of drink mix = 16.7%

4 0

3 years ago

How many hydrogen atoms are attached to each carbon adjacent to a double bond? nurition?

larisa [96]

That depends. there are 2 possible answers.
H
C - C = C - H gives a different answer on the right than on the left.

One the left side, the second Carbon is attached to a double bond and has but one hydrogen attached to it.

The Carbon on the right of the double bond has 2
H
C- C = C - H
H

I'm not sure what you should put. It's one of those things that I would repeat my argument and submit it.

3 0

4 years ago