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lys-0071 [83]
2 years ago
15

Which of the following best defines average speed?

Chemistry
2 answers:
drek231 [11]2 years ago
8 0

Answer:

D

Explanation:

mr_godi [17]2 years ago
7 0

Answer:

It is the total distance traveled over the total time .

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22.99 on the element sodium means the combined numbers of electrons and protons?
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Answer:

The answer is 11 electron and 11 protons respectively

Explanation:

Since the sodium is in it neutral state, number of electron is the same as the number of proton, which is 11.

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Long term condition of the atmosphere

Explanation:

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If the pH of a solution is 5.4 then the concentration of H+ ions is ___|_x10^-6
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3 years ago
Oh no... not again... Prof. Vitarelli spots Sybil running down the hall... yelling something... something about her tea cups...
Y_Kistochka [10]

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The reducing agent is Zn.

Explanation:

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In the reduction, H⁺ gains electrons and it is considered the oxidizing agent.

2H⁺ + 2 e⁻ ⇒ H₂

In the oxidation, Zn loses electrons and it is considered the reducing agent.

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6 0
3 years ago
A pound is approximately 0.45 kilogram. A person weighs 87 kilograms. What is the person’s weight, in pounds, when expressed to
Sauron [17]

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87 kilograms =191.8 pounds

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