3 years ago

What’s the temperature of a liquid that turns into a gas at 135 degrees Celsius

1 answer:

3 0

The answer is about 1/2 it rises very sloe

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Arisa [49]

A) scientific theory

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3 years ago

rosijanka [135]

i believe the answer is A (((:

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2 years ago

zysi [14]

K=+1

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That’s it!!!

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3 years ago

Simora [160]

Answer: The percent composition by mass of hydrogen in given compound is 6.33 %

Explanation:

We are given:

A chemical compound having chemical formula of $NH_4HCO_3$

It is made up by the combination of 1 nitrogen atom, 5 hydrogen atoms, 1 carbon atom and 3 oxygen atoms

To calculate the percentage composition by mass of hydrogen in the compound, we use the equation:

$\%\text{ composition of Hydrogen}=\frac{\text{Mass of hydrogen}}{\text{Mass of compound}}\times 100$

Mass of compound = $[(1\times 14)+(5\times 1)+(1\times 12)+(3\times 16)]=79g/mol$

Mass of hydrogen = $(5\times 1)=5g/mol$

Putting values in above equation, we get:

$\%\text{ composition of Hydrogen}=\frac{5g/mol}{79g/mol}\times 100=6.33\%$

Hence, the percent composition by mass of hydrogen in given compound is 6.33 %

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3 years ago

Liono4ka [1.6K]

Wishbsndx issns did

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2 years ago