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Alexxandr [17]
2 years ago
7

What is the greatest source of light in the ocean?

Chemistry
1 answer:
kakasveta [241]2 years ago
3 0

Answer:

the greatest source of light in the ocean is the sun.

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What is the mole fraction of NaCl in a mixture containing 7.21 moles NaCl, 9.37 moles KCL, and 3.42
GrogVix [38]

Answer : The mole fraction of NaCl in a mixture is, 0.360

Explanation : Given,

Moles of NaCl = 7.21 mole

Moles of KCl = 9.37 mole

Moles of LiCl = 3.42 mole

Now we have to calculate the mole fraction of NaCl.

\text{Mole fraction of }NaCl=\frac{\text{Moles of }NaCl}{\text{Moles of }NaCl+\text{Moles of }KCl+\text{Moles of }LiCl}

Now put all the given values in this formula, we get:

\text{Mole fraction of }NaCl=\frac{7.21}{7.21+9.37+3.42}=0.360

Therefore, the mole fraction of NaCl in a mixture is, 0.360

3 0
3 years ago
Why is the Statue of Liberty covered with a greenish bluish cover when it should be in brown color as it is made out of copper ?
allsm [11]
Because after ehough acid rain/Rain it turned turquoise like if you bring a fake gold ring to a pool it will turn brown!
3 0
3 years ago
Read 2 more answers
1. How much 6.0 M HNO3 is needed to neutralize 39 mL of 2.0 M KOH?
quester [9]

Answer:

For 2. the answer is 15.0 mL

For other examples, you can solve by exact way as I have solved the 2nd example.

I have writen down all the balanced chemical reaction equation for examples 1, 3, 4, 5 for you. ( picture 2 )

Explanation:

Please see the step-by-step solution in the picture attached below.(picture 1)

Hope this answer can help you. Have a nice day!

6 0
3 years ago
The simplest type of stream cipher, one in which one letter or character is exchanged for another, is known as what?
QveST [7]

Answer: This is known as substitution cipher.

Explanation:

5 0
2 years ago
If the volume of an object increases but the mass stays the same, which will happen to the density?
nikklg [1K]
We all know, Density = Mass/ volume. When volume increases and the mass remains the same , the density will decrease considerably.
5 0
2 years ago
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