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Neko [114]
3 years ago
11

Which statement about electrolytic cells is correct?

Chemistry
1 answer:
ikadub [295]3 years ago
5 0
The best answer choices can be A.because it reduction he eletrolytic from positive
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How many moles are in 234.4 grams of oxygen
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Answer:

7.325 mol.

Explanation:

use the formula n=m/mr

so that makes:

234.4/16*2

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Write the net ionic equation for the reaction between hydrocyanic acid and potassium hydroxide. Do not include states such as (a
eimsori [14]

Answer:

The net ionic equation is as follows:

HCN(aq) + OH-(aq) ----> H20(l) + CN-(aq)

Explanation:

The reaction between Hydrocyanic acid, HCN, and sodium hydroxide is a neutralization reaction between a weak acid and a strong base.

Hydrocyanic acid being a weak acid ionizes only slightly, while sodium hydroxide being a strong base ionizes completely. The equation for the reaction is given below:

A. HCN(aq) + NaOH-(aq) ----> NaCN(aq) + H2O(l)

Since Hydrocyanic acid is written in the aqueous form as it ionizes only slightly and the ionic equation is given below:

HCN(aq) + Na+(aq)+OH-(aq) ----> Na+(aq)+CN-(aq) + H2O(l)

Na+ being a spectator ion is removed from the net ionic equation given below:

HCN(aq) + OH-(aq) ----> H20(l) + CN-(aq)

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What adaptations allow a camel and a cactus to survive in warm environments?
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A camel stores fat in its hump, while the cactus stores water in its thick stem.

Explanation:

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Describe the basic structure of the atom
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