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sattari [20]
3 years ago
7

Atom X has one electron and its mass is 1/16 mass of an atom of carbon -12 .Determine the relative atomic mass of C and write it

s chemical symbol.
Chemistry
1 answer:
Volgvan3 years ago
3 0
It's atomic mass is 1 .00794u and H is the symbol
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What pattern appears in the vertical arrangement (columns) of the elements in the Periodic Table, moving from top to bottom?
Grace [21]
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3 0
3 years ago
Complete combustion of a 17.12mg sample of xylene In oxygen yielded 56.77mg
Veronika [31]

Xylene moles =\frac{17.12}{106.16×1000}=0.00016moles=

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Moles of CO_2 =\frac{56.77}{44.01×1000}=0.0013CO

2

=

44.01×1000

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=0.0013

Moles of H_2O= =\frac{14.53}{18.02×1000}=0.0008H

2

O==

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Moles ratios

\frac{0.0013}{0.0008}=1.625

0.0008

0.0013

=1.625

\frac{0.0008}{0.0008}=1

0.0008

0.0008

=1

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8 0
2 years ago
A measure of the kinetic energy of particle motion within a substance is temperature.
Alchen [17]
True. You're welcome!
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4 years ago
Why is photosynthesis important to the ecosystem everywhere
topjm [15]

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7 0
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How can the speed of solvent molecules be slowed down?
Darina [25.2K]

Explanation:

The speed of molecules increases when temperature is increased as it will result in more number of collisions between the molecules. Thus, there will be  increase in kinetic energy of molecules and increase in the speed of solvent molecules.

Whereas on decreasing the temperature, the kinetic energy of molecules will decrease. This will result in less number of collisions between the molecules. Therefore, the speed of solvent molecules will slow down.

7 0
3 years ago
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