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erastovalidia [21]
3 years ago
13

Two solids, A and B, are located in the same family on the periodic table. A sample of each is placed in a beaker of HCL. Substa

nce A produces few bubbles, while substance B bubbles vigorously.
What do the bubbles indicate? (chemical reaction ?)
where the substances are located in relation to one another on the periodic table and the activity series?( B is lower than A, and more reactive)
The name of the family the substances could be in ?
What substance will have a larger atomic radius? (B?)
What substance will have a larger ionization energy?
Chemistry
1 answer:
Vlad [161]3 years ago
4 0
What do the bubbles indicate? <span>chemical reaction with HCl, release of H2(g) 
</span>
Where the substances are located in relation to one another on the periodic table and the activity series? <span>A is above B on the periodic table but B is above A in the activity series.
</span>
The name of the family the substances could be in ?  <span>alkaline earth, alkali metals. Either group 1 or group 2.
</span>
<span>What substance will have a larger atomic radius? B</span>
What substance will have a larger ionization energy? A
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Carboxylic group : It is the class of organic compound in which the carboxylic (-COOH) group is attached to a hydrocarbon is known as carboxylic.

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Pls help Would be much appreciated:)
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Answer:

Ok so,  b. A redox reaction occurs in an electrochemical cell, where silver (Ag) is oxidized and nickel (Ni) is reduced - In voltaic cells, also called galvanic cells, oxidation occurs at the anode and reduction occurs at the cathode. A mnemonic for this is "An Ox. Red Cat." So since silver is oxidized, the silver half-cell is the anode. And the nickel half-cell is the cathode...

i. Write the half-reactions for this reaction, indicating the oxidation half-reaction and the reduction half-reaction- The substance having highest positive  potential will always get reduced and will undergo reduction reaction. Here, zinc will always undergo reduction reaction will get reduced

ii. Which metal is the anode, and which is the cathode?-The anode is where the oxidation reaction takes place. In other words, this is where the metal loses electrons. The cathode is where the reduction reaction takes place.

iii. Calculate the standard potential (voltage) of the cell

Look up the reduction potential,

E

⁰

red

, for the reduction half-reaction in a table of reduction potentials

Look up the reduction potential for the reverse of the oxidation half-reaction and reverse the sign to obtain the oxidation potential. For the oxidation half-reaction,

E

⁰

ox

=

-

E

⁰

red

.

iv. What kind of electrochemical cell is this? Explain your answer.

All parts in the electrochemical cells are labeled in second figure. Following are the part in electrochemical cells

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Explanation:

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