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3 years ago

d. Butanol has the chemical formula C4H,OH. Write and balance the chemical reaction for the combustion of butanol.

Chemistry

1 answer:

valentina_108 [34]3 years ago

7 0

Answer:

C4H9OH + 6O2 → 4CO2 + 5H2O

Explanation:

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Answer:

Option B.

Explanation:

As any reaction of combustion, the O₂ is a reactant and the products are CO₂ and H₂O. Combustion reaction for ethane is:

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

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2 years ago

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When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(II)

lesya692 [45]

Answer: The mass of lead deposited on the cathode of the battery is 1.523 g.

Explanation:

Given: Current = 62.0 A

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$Q = I \times t$

where,

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I = current

t = time

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$Q = I \times t\\= 62.0 A \times 23.0 sec\\= 1426 C$

It is known that 1 mole of a substance tends to deposit a charge of 96500 C. Therefore, number of moles obtained by 1426 C of charge is as follows.

$Moles = \frac{1426 C}{96500 C/mol}\\= 0.0147 mol$

The oxidation state of Pb in $PbSO_{4}$ is 2. So, moles deposited by Pb is as follows.

$Moles of Pb = \frac{0.0147}{2}\\= 0.00735 mol$

It is known that molar mass of lead (Pb) is 207.2 g/mol. Now, mass of lead is calculated as follows.

$No. of moles = \frac{mass}{molar mass}\\ 0.00735 = \frac{mass}{207.2 g/mol}\\mass = 1.523 g$

Thus, we can conclude that the mass of lead deposited on the cathode of the battery is 1.523 g.

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2 years ago

Can you help me please, I’ll mark brainliest.

GrogVix [38]

Answer:

i think A

Explanation:

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3 years ago

d. Butanol has the chemical formula C4H,OH. Write and balance the chemical reaction for the combustion of butanol.​

d. Butanol has the chemical formula C4H,OH. Write and balance the chemical reaction for the combustion of butanol.