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2 years ago

Questions on Electrolysis, pls help if you can!!

Chemistry

1 answer:

Nata [24]2 years ago

7 0

Answer:

b : they move to the positive electrode

Explanation:

they lose electrons to form chlorine atoms. The atoms join up in pairs to form Cl² molecules , so chlorine gas is formed at the positive electrode

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1. Which substance H,O (I) or H,0 (s) would require the most energy to heat up?

a_sh-v [17]

Answer:

H,0 (s)

Explanation:

(s) = solid

(l) = liquid

I believe it is H,0 (s) because it is a solid. In solids, the atoms are closer together than a liquid, requiring more energy to move the less excited atoms aka increase the temperature.

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3 years ago

What is the percent by mass of fluorine in CaF2? 65% 24% 49% 51%

jarptica [38.1K]

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3 years ago

5 points

ElenaW [278]

Answer:

I'm purty sure it's 10% Cause that is what my teach said.

Explanation:

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3 years ago

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The reaction described by the equation O 3 ( g ) + NO ( g ) ⟶ O 2 ( g ) + NO 2 ( g ) O3(g)+NO(g)⟶O2(g)+NO2(g) has, at 310 K, the

Gnoma [55]

Answer:

Rate of reaction R= $0.072Ms^-1$

Explanation:

From the Rate Law:

R=k[O3][NO]

The order of NO is 1 and that of O3 is also 1,

Therefore order of reaction =1+1=2

Given :

Concentration of O3 = [03]= 3.0×10^-4M

Concentration of NO= [NO]= 8.0×10^-5M

Rate constant K=3.0×10^6M^-1s^-1

Insert the given values into the rate law equation

R= 3.0×10^6 × 3.0×10^-4 ×

8.0×10^-5

R= 0.072 $Ms^-1$

Therefore the rate of reaction is 0.072 $Ms^-1$

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4 years ago

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Hunter-Best [27]

Answer:

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3 years ago

Questions on Electrolysis, pls help if you can!!​

Questions on Electrolysis, pls help if you can!!