3 years ago

What aspect of a maple tree might be studied in chemistry

Chemistry

1 answer:

Elza [17]3 years ago

6 0

Comparing the matter that makes up its different parts.

Hope this helps! ;)

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Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.054 moles of sulfuric acid is mixed with water to make 667 milliliter

Nikitich [7]

As, using formula.........0.054/(.667/18)
=.o54/.037
=1.45 approx

so the answer

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2 years ago

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-Dominant- [34]

Answer:

1+1=2 Unless this is a trick question. Then it's most likely 11.

Explanation:

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3 years ago

Hydrogen gas and fluorine gas will react to form hydrogen fluoride gas. What is the standard free energy change for this reactio

Marta_Voda [28]

Answer:

$\Delta G=-541.4kJ/mol$

Explanation:

Hello there!

In this case, according to the given information, it turns out firstly necessary to write out the described chemical reaction as shown below:

$H_2+F_2\rightarrow 2HF$

Now, we set up the expression for the calculation of the standard free energy change, considering the free energy of formation of each species, specially those of H2 and F2 which are both 0 because they are pure elements:

$\Delta G=2\Delta G_f^{HF}-(\Delta G_f^{H_2}+\Delta G_f^{F_2})\\\\\Delta G=2*-270.70kJ/mol-(0kJ/mol+0kJ/mol)\\\\\Delta G=-541.4kJ/mol$

Regards!

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2 years ago

Balance the following chemical reaction. ____NaOH+____H2SO4 → ___Na2SO4+____H2O

kobusy [5.1K]

The balanced equation would be 2NaOH + H2SO4 → Na2SO4 + 2H2O

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