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quester [9]
3 years ago
12

Match the compounds as organic (O) or inorganic (I).

Chemistry
2 answers:
SashulF [63]3 years ago
7 0
H2O2(I)
C6H6(O)
CO2(I)
C2H6(O)
HNO3(I)
Rasek [7]3 years ago
6 0

Answer:

H_2O_2 - Inorganic(I)

C_6H_6 - Organic(I)

CO_2 - Inorganic(I)

C_2H_6 - Organic(I)

HNO_3 - Inorganic(I)

Organic compounds are compounds which contain carbon attached to hydrogen.

Inorganic compounds are compounds which do not contain carbon or compounds which contain carbon which are not attached to hydrogen.

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Generally the ionization potential in a period increases, but there are some exceptions. The one which is not an exception is
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Generally, the first ionisation energy increases along a period. But there are some exceptions one which is not an exception

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Which is an example of a pure substance? A. coffee B. helium C. vinegar D. trail mix
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B. Helium

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What is the difference between a homogeneous and a heterogeneous mixture?
Ne4ueva [31]

Answer and explanation :

DIFFERENCE BETWEEN HOMOGENEOUS AND HETEROGENEOUS MIXTURE :

  • In homogeneous mixture the component which are present in the mixture all are in the same proportion whereas in heterogeneous mixture the component which are present in the mixture don't have the same proportion
  • We can not pick out the component of homogeneous mixture but in heterogeneous mixture we can pick out the components from the mixture
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7 0
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How do you figure out how many isotopes an element has?
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by counting the isoto

7 0
3 years ago
Select the correct answer from the drop-down menu. a scientist digs up sample of arctic ice that is 458,000 years old. he takes
Jlenok [28]

The original mass of krypton 81 that is present in the ice is 6.70 grams.

<h3>How do we calculate original mass?</h3>

Original mass of any substance will be calculated as below for the decomposition reaction is:

N = N₀(1/2)ⁿ, where

N = remaining mass of krypton-81 = 1.675g

N₀ = original mass of krypton-81 = ?

n will be calculated as:
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t = half life time = 229,000 years

n = 458,000/229,000 = 2

Now putting all these values on the above equation, we get

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To know more about half life time, visit the below link:
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