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harkovskaia [24]
3 years ago
15

How do I put Chlorofluorocarbons in a sentence?

Chemistry
2 answers:
lys-0071 [83]3 years ago
6 0

Answer: Here are some examples

Explanation:

1. In the southern spring, ozone is destroyed above Antarctica, mainly by manufactured compounds called chlorofluorocarbons (CFCs )

2. It is now generally accepted that the loss of stratospheric ozone is caused by chemical reactions initiated by chlorofluorocarbons.

3. Your refrigerator and other home appliances emit Chlorofluorocarbons, or CFCs, as do aerosol spray cans.

Hope this hlps!

s2008m [1.1K]3 years ago
3 0

Explanation:

To be able to put the chemical term chlorofluorocarbons in a sentence, you must first understand what the chemical species denotes.

We know chlorofluorocarbons are a group of compounds that consists of atoms of chlorine, flourine, and carbon.

Now, here are some sample sentences;

  • Chlorofluorocarbons are one of the leading causes of ozone depletion in the atmosphere.
  • Most national governments are putting measures in place to check the use of chlorofluorocarbons in industrial manufacturing.
  • If we can innovate a substitute for chlorofluorocarbons, the environment would be safer.
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How many moles are in a 12.0 g sample of NiC12
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0.17 moles

Explanation:

In the elements of the periodic table, the atomic mass = molar mass. <u>Ex:</u> Atomic mass of Carbon is 12.01 amu which means molar mass of Carbon is also 12.01g/mol.

In order to find the # of moles in a 12 g sample of NiC-12, we will need to multiply the number of each atom by its molar mass and then add the masses of both Nickel and C-12 found in the periodic table:

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Since there's just one atom of both Carbon and Nickel, we just add up the masses to find the molar mass of the whole compound of NiC-12.

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There's 12g of NiC-12, which is less than the molar mass of NiC-12, so the number of moles should be less than 1. In order to find the # of moles in NiC-12, we need to do some dimensional analysis:

  • 12g NiC-12 (1 mol of NiC-12/70.7g NiC-12) = 0.17 mol of NiC-12
  • The grams cancel, leaving us with moles of NiC-12, so the answer is 0.17 moles of NiC-12 in a 12 g sample.

<em>P.S. C-12 or C12 just means that the Carbon atom has an atomic mass of 12amu and a molar mass of 12g/mol, or just regular carbon.</em>

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