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Vlad1618 [11]
3 years ago
14

I really need these solved, it’s asking for half equations!!

Chemistry
1 answer:
Levart [38]3 years ago
7 0

Answer:

Net equation: Cu + 2Ag+  ⇒ 2Ag + Cu2+

Explanation:

Cu + 2N03- + 2Ag+ ⇒ 2Ag + 2NO3- + Cu2+

The 2NO3- cancel out since they're spectator ions

∴ Cu + 2Ag+ ⇒ 2Ag + Cu2+

Half equations are:

Cu ⇒ Cu2+

2Ag+ ⇒ 2Ag

Balancing both sides of each equation with electrons will lead back to the Net equation.

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24H2S + 16HNO3 3Sg+ 16NO + 32H2O
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Does rapidly cooled rock contain small crystals?
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I believe they do, yes.
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Compared to a sodium atom in the ground state a sodium atom in the excited state must have ?
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I hope this helps :)
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Anyone know the answer to number 1?
Andrew [12]
The rate at which the substance dissolves in water.
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4 years ago
A 1.00 liter solution contains 0.24 M hypochlorous acid and 0.31 M sodium hypochlorite. If 0.160 moles of potassium hydroxide ar
ryzh [129]

Explanation:

When OH- (as in potassium hydroxide) is added, it reacts with the acid (HOCl) to reduce the amount of HOCl and increase the concentration of  sodium hypochlorite.

Potassium hydroxide will react with the hypochlorous acid to produce hypochlorite ions. In the process, some of the weak acid will be consumed, along with the added strong base.

This occurs as follows:

HClO(aq) + KOH(aq) → KClO(aq) + H2O(l)  

since water is formed, this maintains the pH.  Thus ...

A. The number of moles of HClO will decrease. - TRUE

B. The number of moles of ClO- will increase. - TRUE

C. The equilibrium concentration of H3O+ will remain the same. - TRUE

D. The pH will decrease. - FALSE

E. The ratio of [HClO] / [ClO-] will decrease. -TRUE. It will decrease as HClO goes down and ClO- goes up.

5 0
3 years ago
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