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bija089 [108]
3 years ago
12

]Which of the following best describes the changes involved in a fission reaction?

Chemistry
1 answer:
zlopas [31]3 years ago
6 0
The nuclei of two small atoms combine to form one larger nucleus, releasing a large amount of energy. 
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The standard free energy change for a reaction in an electrolytic cell is always:_________
sattari [20]

Answer: The standard free energy change for a reaction in an electrolytic cell is always positive.

Explanation:

Electrolytic cells use electric currents to drive a non-spontaneous reaction forward.

Relation of standard free energy change and emf of cell

\Delta G^o=-nFE^0_{cell}

where,

\Delta G^o = standard free energy change

  n= no of electrons gained or lost

F= faraday's constant

E^0_{cell} = standard emf

E^0_{cell}   = standard emf = -ve  , for non spontaneous reaction

Thus  \Delta G^o=(-ve)(-ve)=+ve

Thus standard free energy change for a reaction in an electrolytic cell is always positive.

8 0
3 years ago
PLEASEE HELP ME!!!!!
Yakvenalex [24]

Answer:

Explanation:

8.61+5.779 = 14.389 = 1.4389 × 10^1

25 - 12.5 = 1.25 x 10^1

56.35 / 13.2 = 4.2689

6 0
2 years ago
What reactions are responsible for the glow and heat from the sun? nuclear fission nuclear fusion chemical reactions atomic disi
Mamont248 [21]
Nuclear Fusion is the answer to the question who posted.

7 0
3 years ago
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What makes an article a primary source
Kitty [74]
It’s written by some one that was there as show on google your welcome
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Which metals or non-metals are liquid at a room temperature of 25°C?​
irakobra [83]

Answer:

gallium

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it is the old melting in a hot cup of coffee spoon

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