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Vesnalui [34]
3 years ago
15

Write the formula for calcium chloride​

Chemistry
1 answer:
Sauron [17]3 years ago
7 0

CaCI2 is  for calcium chloride

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Which pair of elements can be used to determine the age of a fossil that is over one billion years old?
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Answer:

Explanation:

There are some radioactive nuclides can be used to measure time on an archeological scale. One is the best example of this is radiocarbon dating. This process is based on the ratio of caebon-14 to carbon-12 in the atmosphere which is relatively constant.

The half time of C-14 5730 years  

Carbon-14 is a radioactive nucleus. It has a half-life of 5730 years.

All living tissues like plants and animal absorbed carbon-12 along with carbon-14 with same ratio of caebon-14 to carbon-12 in the atmosphere.

Carbon-14 dating is based on the ratio of carbon-14 to carbon-12 in the atmosphere which is relatively constant

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How do you know something is there if you can't see it? *
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H. Nitrogen gas and hydrogen gas combine to produce ammonia gas (NH3).
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Answer:

<u>27.3 L</u>

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<u>Solving</u>

  • 10 g N₂ x 1 mol NH₃/28 g N₂ x 3 mol H₂/1 mole N₂
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  • V = nRT/P [From Ideal Gas Equation]
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The statements which are true among these are: (a),(b) and (c) because,

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And lastly a suffix for the type of bond that molecule have.

(c) Isomers are the compound which same same molecular formula but different arrangement of molecules, due to this different arrangement they have different physical and chemical properties.

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