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ladessa [460]
3 years ago
8

Write the chemical symbols for three different atomic cations that all have 5 protons?

Chemistry
1 answer:
tangare [24]3 years ago
3 0

Answer:

<h2>The atom having 5 proton (B) atom when a boron become cations , the numbers of protons is still 5 no mater how many electrons are lost . therefor , the three different atomic cations that all have 5 protons: B<u>+</u><u>,</u><u>B2</u><u>+</u><u> </u><u>and</u><u> </u><u>B3</u><u>+</u></h2>
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Which is NOT correct for when the silver and vanadium half-cells are connected via a salt bridge and a potentiometer
lidiya [134]

The question is incomplete, the complete question is

Which is NOT correct for when the silver and vanadium half-cells are connected via a salt bridge and a potentiometer? Ag^+ + 1 e^- rightarrow Ag Edegree = 0.7993 V V^2+ + 2e^- right arrow V E degree =-1.125 V Ag+ is reduced V is oxidized 1.924 V V2^+ is reduced Ag is oxidized I and II III, IV, and V I, II, and III III only IV and V

Answer:

only IV and V

Explanation:

If we look at the values of reduction potential for the two species, we will discover that vanadium has a negative reduction potential indicating its tendency towards oxidation.

On the other hand, solve has a positive reduction potential indicating a tendency towards reduction.

This implies that vanadium must be oxidized and silver reduced and not the not her way ground? Hence the answer above.

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3 years ago
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Which element in Group 18 of the Periodic Table has the highest lonization energy?
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1. A 10 g gold coin is heated from 25°C to 50°C (CAu is 0.13 J/g-°C). What is the H?
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The correct answer is + 32.5 J because heat is absorbed here by copper not evolved also after calculation we will find the H value is positive, lets calculate it:
H = m C Δt where:
m = 10 g 
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9. When you move your hand from a hot stove what is the stimulus you are reacting to?
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Answer:

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Explanation:

4 0
2 years ago
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