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Ugo [173]
3 years ago
7

A police car drives with a constant speed of 58 miles per how long will it take to travel a distance of 29 miles

Chemistry
1 answer:
astra-53 [7]3 years ago
5 0

Answer:

It takes 2 hours for a police car to travel a distance of 29 miles with 58 miles per hour.

Explanation:

The speed of the car is 58 miles per hour.

The total distance traveled is 29 miles.

We need to find the time taken to cover the distance of 29 miles by the police car if police traveled at 58 miles per hour.

We know that,

Relationship between speed, time and distance is speed=\frac{distance}{time}

Now substitute the given values in the above formula,

58=\frac{29}{time}

time=\frac{29}{58}

Time = 2 hours.

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Likurg_2 [28]

The reaction that has been occurred will be \rm 2\;Fe\;+\;Al_2O_3\;\rightarrow\;2\;Al\;+\;Fe_2O_3.

The chemical reaction has been defined as the interaction of the reactant  molecules for the formation of the product. The changes have been taken place in the reactivity series and under specific conditions.

<h3>Reaction occur</h3>

The displacement reaction has been taken place based on the reactivity series. The more reactive element has been able to displace the less reactive element in the compound and form a new compound.

The following reactions have been analyzed as:

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Thus, this reaction will not occur.

  • \rm 2\;Fe\;+\;Al_2O_3\;\rightarrow\;2\;Al\;+\;Fe_2O_3

In the reaction, Al has been replaced by Fe. The Fe is more reactive than Al. thus this reaction will occur.

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The nickel has been less reactive than Ag, and thus will not be able to form the product.

Thus, this reaction will not occur.

  • \rm Pb\;+\;Zn(C_2H_3O_2)_2\;\rightarrow\;Zn\;+\;Pb(C_2H_3O_2)_2

The lead has been less reactive than Zn, and thus will not be able to form the product.

Thus, this reaction will not occur.

The reaction that has been occurred will be \rm 2\;Fe\;+\;Al_2O_3\;\rightarrow\;2\;Al\;+\;Fe_2O_3.

Learn more about reactivity series, here:

brainly.com/question/10443908

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