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liubo4ka [24]
3 years ago
7

Which factor can increase the potential energy of an object?

Chemistry
1 answer:
OLEGan [10]3 years ago
4 0

Answer:

Increase in height from the ground.

Explanation:

Potential energy =mass×acceleration due to gravity×height.

P.E= mgh

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Please help!! This is for chem!!!
Sveta_85 [38]

Answer:

1st answer choice

P4O6 + 2 O2 -> P4O10

Explanation:

You need to cancel out reactants and products that are the same.

P4 cancels out because it appears in both reactants and products

We get 2 O2 in the reactants because 5-3= 2

Thus, answer choice 1 is correct.

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Which of the following is necessary for two organisms to be considered as coexisting in a mutualistic relationship?
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D: Both organisms benefit
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Which fossil fuel accounts for 95% of consumption for transportation?
Ilia_Sergeevich [38]

Answer:

oil

Explanation:

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3 years ago
Predict which process listed below will lead to the greatest increase in conductivity.
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A galvanic cell at a temperature of 25.0°C is powered by the following redox reaction: Cu2 (aq)+Zn () Cu (s)+Zn2(aq) Suppose the
riadik2000 [5.3K]

Explanation:

We know that,

  E^{o}(Zn^{2+}/Zn(s)) = -0.7618 V

   = 0.337 V

According to the given reaction/cell notation,  cathode is (Cu^{2+}/Cu(s)) and anode is ().

Therefore,  E^{o}_{cell} = E^{o}_{cathode} - E^{o}_{anode}

                          = (0.337) - (-0.7618)

                          = 1.0988 V

In the given reaction, number of electrons being transferred in balanced reaction are 2. Hence, n = 2.

Also, we know that

        E = E^{o} - (\frac{2.303 \times RT}{nF}) log {\frac{[Zn^{2+}]}^{1}{[Cu^{2+}]^{1}}

Putting the given values into the above formula as follows.

       E =  E^{o} - (\frac{2.303 \times RT}{nF}) log {\frac{[Zn^{2+}]}^{1}{[Cu^{2+}]}^{1}

          = E^{o} - (\frac{0.0591}{n}) log \frac{[Zn^{2+}]}^{1}{[Cu^{2+}]}^{1}          

          = 1.099 - \frac{0.0591}{2} log (\frac{7.32}{0.788})

           = 1.0704 V

          = 1.07 V (approx)

Thus, we can conclude that the cell voltage under these conditions is 1.07 V.

3 0
4 years ago
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