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bazaltina [42]
2 years ago
14

Draw the electron dot structure for the hydrogen carbonate ion hco3-. Carbon is the central atom, and hydrogen is attached to ox

ygen in this polyatomic anion.
Chemistry
1 answer:
Anna11 [10]2 years ago
5 0

Explanation:

this is your answer hope it will help you

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If the pOH of a solution is 9.1, what is the concentration of OH- ions in that solution?
Amiraneli [1.4K]

Answer:

7.9432*10^-10 or 10^-9.1

Explanation:

pOH=-log[OH]

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2 years ago
Well over _______ different organic compounds are known to exist.
stich3 [128]
The answer is 4 million, there are about 9-10 million unique organic compounds that are known to exist
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3 years ago
What did electrons from the ionized air do to the oil drops?
Neko [114]
Answer:

The famous oil drop experiment exploits that fact that an oil drop in an electronic field will get negative charge accumulation which can be balanced and observed in order to determine the charge of an electron.
6 0
2 years ago
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How many atoms are in 1.50 moles of Hg?
Oxana [17]

Answer:

Atoms=9.033*10^23 atoms

Explanation:

Atoms=no.of miles*Avogadro's no.

Atoms=1.5*6.022*10^23

Atoms=9.033*10^23 atoms

3 0
3 years ago
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A system gains 652 kJ of heat, resulting in a change in internal energy of the system equal to +241 kJ. How much work is done?
levacccp [35]

Answer:

-411 kj

Explanation:

We solve by using this formula

∆U = ∆Q + ∆W

This formula is the first law of thermodynamics

Change in internal energy U = +241

Heat gained by system Q = 652

Putting the value into the equation

+241 = 652 + W

Workdone = 241 - 652

Workdone = -411 kj

Since work done is negative it means that work was done by the system

3 0
2 years ago
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