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stiv31 [10]
3 years ago
7

Sarah wants to find out how much time it would take to drive from her home to New York. At an average, she would drive at 55 mil

es per hour.
If the distance to be covered is 1150 km and a mile equals 1.61 km, how much time will the trip take (to the nearest hour)?

A. 13 hours
B. 21 hours
C. 29 hours
D. 34 hours
Chemistry
2 answers:
dimaraw [331]3 years ago
8 0
The answer to your question is 13 hours/A
Digiron [165]3 years ago
5 0

Answer: The correct answer is option is (A).

Explanation:

Distance from Sara's home to New York = 1150 km = 714.265 mile

1 mile = 1.61 km

Speed of the Sara: 55 mile/hour

Time=\frac{Distance}{Speed}

=\frac{714.265 mile}{55 mile/hour}=12.98 hour\approx 13 hour

The correct answer is option is (A).

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Based on the charge on the aluminium ion, 0.9 g of aluminium are deposited by 0.1 F of electricity.

<h3>What is electrolysis?</h3>

Electrolysis is the decomposition of a substance known as an electrolyte when electric current is passed through it.

The mass and hence moles an electrolyte deposited when current is passed through it depends on the charge on the ion.

Aluminium ion has a charge of +3 and requires 3F of electricity to deposit 1 mole or 27 g of aluminium

0.1 F will discharge = 0.1/3 × 27 g of aluminium

mass of aluminium deposited = 0.9 g of aluminium.

Therefore, 0.9 g of aluminium are deposited by 0.1 F of electricity.

Learn more about electrolysis at: brainly.com/question/26050361

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