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Law Incorporation [45]

2 years ago

12

Why is fractional distillation not used to produce drinking water from sea water?

1 answer:

Natasha_Volkova [10]2 years ago

4 0

Answer:

Please mark me brainliest. the answer is

Explanation:

The problem is that the desalination of water requires a lot of energy. Salt dissolves very easily in water, forming strong chemical bonds, and those bonds are difficult to break. Energy and the technology to desalinate water are both expensive, and this means that desalinating water can be pretty costly.

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Solve for t In(A/B) -kt where B-1.65 x 102 M A 1.00 x 10 M. k-4.80 x 104s* and t=

myrzilka [38]

Answer:

$t=5.84\times 10^{-5}s$

Explanation:

First rearrange the whole equation by keeping t in one side and rest parameters in another side of equation
Then plug-in all the given values for each parameters and get the solution

$ln(\frac{A}{B})=-kt$

or, $t=\frac{1}{-k}\times ln(\frac{A}{B})$

Now plug-in all given values:

$t=\frac{1}{-4.80\times 10^{4}s^{-1}}\times ln(\frac{1.00\times 10M}{1.65\times 10^{2}M})$

So, $t=5.84\times 10^{-5}s$

4 0

3 years ago

In general, ionization energy will

IRISSAK [1]

Answer:

A

Explanation:

The correct answer is A.

5 0

3 years ago

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How many moles of H2O2 are needed to react with 1.07 moles of N2H4?

I am Lyosha [343]

Answer:

2.14 moles of H₂O₂ are required

Explanation:

Given data:

Number of moles of H₂O₂ required = ?

Number of moles of N₂H₄ available = 1.07 mol

Solution:

Chemical equation:

N₂H₄ + 2H₂O₂ → N₂ + 4H₂O

now we will compare the moles of H₂O₂ and N₂H₄

N₂H₄ : H₂O₂

1 : 2

1.07 : 2×1.07 = 2.14 mol

6 0

2 years ago

I’ll give 5 stars and Brainliest plus this is 20 points lol

Daniel [21]

Answer:

I think is b

Explanation:

4 0

2 years ago

NEED HELP HAVE TO TURN IN IN 5 MIN

aliina [53]

Answer:

Recessive and Dominant

Explanation:

3 0

3 years ago

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