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NeX [460]
4 years ago
8

When balancing a redox reaction, you are balancing

Chemistry
2 answers:
marshall27 [118]4 years ago
5 0
Hope this helped you :)
prisoha [69]4 years ago
4 0

Answer:

D. Both A and C

Explanation:

When balancing a redox equation, you'll first of all check for the oxidation equation, balance the number of moles and then the charges and move next to reduction equation and do the same. Then add up both half-equations to give the overall redox equation. The subscripts on each molecule isn't really required separately since they'll be balanced during the half equations.

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3 years ago
How many moles of NH4NO3(s) must be dissolved in water so that 73.0 kJ of heat is absorbed from the water? (The molar heat of so
SCORPION-xisa [38]
1 mole of NH4NO3 requires absorption of 25.7 kJ/mol.
Therefore; 1 kJ of heat energy is absorbed by dissolving 1/25.7 moles of NH4NO3. 
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Hence; 73 kJ is absorbed by dissolving 2.84 moles of NH4NO3.

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3 years ago
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Coal, which is formed from the decomposed remains of dead plants and animals, is an example of
Natalka [10]
The answer is b. Fossil fuel
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3 years ago
What is 2x10? I need help on my.
meriva

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20

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3 years ago
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1.40 m3 is how many mL
Zarrin [17]

\LARGE{ \boxed{ \rm{ \pink{Solution:}}}}

We know, 1 m³ of space can hold 1000 l of the substance.

⇛ 1 m³ = 1000 l----(1)

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⇛ 1 l = 1000 ml------(2)

So, From (1) and (2),

⇛ 1 m³ = 1000 × 1000 ml

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We had to find,

⇛ 1.40 m³ = 1.40 × 1000000 ml

⇛ 1.40 m³ = 140/100 × 1000000 ml

⇛ 1.40 m³ = 1400000 ml

⇛ 1.40 m³ = 14,00,000 ml / 14 × 10⁵ ml / 1.4 × 10⁶ ml

☃️ <u>So</u><u>,</u><u> </u><u>1.40</u><u> </u><u>m</u><u>³</u><u> </u><u>=</u><u> </u><u>1</u><u>4</u><u> </u><u>×</u><u> </u><u>1</u><u>0</u><u>⁵</u><u> </u><u>m</u><u>l</u><u> </u><u>/</u><u> </u><u>1.4</u><u> </u><u>×</u><u> </u><u>10</u><u>⁶</u><u> </u><u>ml</u><u>.</u>

<u>━━━━━━━━━━━━━━━━━━━━</u>

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3 years ago
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