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sashaice [31]
3 years ago
5

Need help with this only number 4

Chemistry
1 answer:
Gnom [1K]3 years ago
7 0
2km
Just use a ruler or something to pan it out.
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a galvanic cell zn | zn²⁺ || ni²⁺ | ni runs spontaneously. if a current is imposed to turn this into an electrolytic cell, which
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Answer:

Zn²⁺ gets reduced

Explanation:

An electrolytic cell runs in the opposite direction of a galvanic cell. Applying a current to the galvanic cell Zn | Zn²⁺ || Ni²⁺ | Ni would convert the Zn anode to a cathode and cause Zn²⁺ to be reduced.

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Given that the density of water is 0.975 g/mL and that 171 g of sucrose (molar mass: 342.30 g/mol) is dissolved in 512.85 mL of
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How many grams of iron metal do you expect to be produced when 305 grams of a 75.5 percent by mass iron(II) nitrate solution rea
lutik1710 [3]
The balanced chemical reaction is:

<span>2 Al (s) + 3 Fe(NO3)2 (aq) = 3 Fe (s) + 2 Al(NO3)2 (aq)
</span>
The ratios or the coefficients between the reactants and the products will be used for further calculations.

305 g Fe(NO3)2 solution (.755) = 230.275 g <span>Fe(NO3)2

</span> 230.275 g Fe(NO3)2 ( 1mol / 179.87 g) ( 3 mol Fe / 3 mol <span>Fe(NO3)2) ( 55.85 g / mol) = 71.500 g Fe</span>
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Scientific knowledge must be supported by evidence an idea that is not supported by evidence but is made to appear scientific in
lilavasa [31]

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Is oxygen a transional element?
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