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Valentin [98]
4 years ago
9

Matter is anything that A. has only one physical state. B. has mass and takes up space. C. contains two elements combined chemic

ally. D. is important to human society.
Chemistry
2 answers:
uranmaximum [27]4 years ago
5 0

Hi,

Matter is anything that B. has mass and takes up space. This is because matter is everything around us in our surroundings. Therefore, it has mass and takes up space.

Have a great day!

12345 [234]4 years ago
3 0

Matter is anything that "has mass and takes up space" or option B. Matter is everything, it does not need a physical state, it does not need two elements to combined chemically, and it also doesn't have to be important to human society. Mass has to have mass, and volume. Mass is the amount of weight a object has, and volume is how much space the object also has.

Hope this helps!

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A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode c
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<u>Answer:</u> The standard potential of the cell is 0.77 V

<u>Explanation:</u>

We know that:

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The substance having highest positive E^o reduction potential will always get reduced and will undergo reduction reaction.

The half reaction follows:

<u>Oxidation half reaction:</u> Ni(s)\rightarrow Ni^{2+}(aq)+2e^-

<u>Reduction half reaction:</u> Cu^{+}(aq)+e^-\rightarrow Cu(s)       ( × 2)

To calculate the E^o_{cell} of the reaction, we use the equation:

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Putting values in above equation follows:

E^o_{cell}=0.52-(-0.25)=0.77V

Hence, the standard potential of the cell is 0.77 V

5 0
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