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alukav5142 [94]
4 years ago
15

Hello Friends! think you guys can help a sister out lol > Based on the following image, what is the chemical formula of the c

ompound represented?

Chemistry
1 answer:
kiruha [24]4 years ago
3 0

Answer:

CO_2

Explanation:

Looking at the atom, you see that there is 1 carbon atom and 2 oxygen atoms.

The chemical formula of Carbon is just C (from the periodic table), and the chemical formula of Oxygen is just O (from the periodic table).

When you create the chemical formula of a compound, you want to indicate how many atoms of each element there are. Here, since there are 2 oxygen atoms, you want to have some form of O_2 , and since there's only 1 carbon atom, you want to have some form of C.

Now, we just put it together: CO_2 (this is btw carbon dioxide)

Hope this helps!

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Answer:

See Explanation below.

Explanation:

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3 years ago
What is [h3o ] in a solution of 0.25 m ch3co2h and 0.030 m nach3co2?
Brilliant_brown [7]
Hello!

To determine [H₃O⁺], we need to apply the Henderson-Hasselback equation, since this is a case of an acid and its conjugate base:

pH=pKa+log( \frac{[A^{-}] }{[HA]} )

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Have a nice day!
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The equation X + Y yields 
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8 0
3 years ago
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A balloon is filled with 0.250 mole of air at 35°C. If the volume of the balloon is 6.23 liters, what is the absolute pressure o
ruslelena [56]

Answer:

102.807 kPa

Explanation:

There are some assumptions to be made in the answer. The air inside the balloon acts as an ideal gas at a given temperature conditions.

Using the combined ideal gas equation.

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P= 102.807 * 10³ Pa

P= 102.807 kPa

3 0
3 years ago
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