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UNO [17]
3 years ago
9

How do I balance redox reactions?

Chemistry
1 answer:
Shtirlitz [24]3 years ago
7 0

(1) Divide the equation into two half-reactions. (2) Balance each half-reaction for mass and charge. (3) Equalize the number of electrons transferred in each half-reaction. (4) Add the half-reactions together.l

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A. gravity (of any planet/star/celestial body around )

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nydimaria [60]

Answer:

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What is the molar mass of BaBr2? A. 217.2 g/mol B. 297.1 g/mol C. 354.5 g/mol D. 434.4 g/mol
qaws [65]

Answer: Option (B) is the correct answer.

Explanation:

Molar mass is defined as the sum of masses of all the atoms present in a compound.

For example, atomic mass of barium is 137.32 g/mol and atomic mass of bromine is 79.90 g/mol.

Therefore, molar mass of BaBr_{2} will be as follows.

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Hence, we can conclude that molar mass of [tex]BaBr_{2}[tex] is 297.12 g/mol.

8 0
3 years ago
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Carbon exists in nature as three isotopes. Given the atomic masses and relative abundance of the isotopes, what is the average a
Ivan

The most abundant carbon isotope is carbon-12.

The relative atomic mass of carbon is 12.011, which is extremely close to 12.0. This means that the masses C-13, and C-14 are practically negligible when contributing to the relative atomic mass of carbon.

the C-12 isotope makes up 98.9% of carbon atoms, C-13 makes up 1.1% of carbon atoms, and C-14 makes up just a trace of carbon atoms as they are found in nature.

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Velocity includes the speed and the direction of the speed.

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