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gtnhenbr [62]
3 years ago
14

Detergent has a ph of about 10. is detergent acidic or basic? use figure 8-3 to answer this question.

Chemistry
2 answers:
harina [27]3 years ago
8 0

Answer is: detergent is basic.

pH (potential of hydrogen) is a numeric scale used to specify the acidity or basicity an aqueous solution.  

When pH is less than seven (pH<7), solution is acidic.  

When is equal seven (pH = 7), solution is neutral.  

When pH is greater than seven (pH > 7), like in this example, solution is basic.  

maw [93]3 years ago
4 0
I believe that the detergent is basic. A basic solution or substance has a pH range from 8 to 10. <span>A </span>basic solution<span> is a liquid mixture that has a pH level greater than 7, which typically means there are a greater number of hydroxide ions than hydrogen ions. Hope this helps.</span>
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Answer:

See explaination

Explanation:

1)

we know that

half cell with higher reduction potential is cathode

so

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N20 + 2H+ + 2e- ---> N2 + H20

anode :

Cr(s) ---> Cr+3 + 3e-

so

overall reaction is

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now

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so

EO cell = 1.77 + 0.74

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now

in this case

oxidizing agents are N20 and Cr+3

reducing agents are Cr and N2

higher the reduction potential , stronger the oxidizing agent

lower the reduction potential , stronger the reducing agent

so

oxidzing agents

N20 > Cr+3

reducing agents

Cr > N2

2)

cathode :

Au+ + e- --> Au

anode :

Cr ---> Cr+3 + 3e-

overall reaction

3Au+ + Cr ---> 3Au + Cr+3

Eo cell = 1.69 + 0.74

Eo cell = 2.43

now

oxidizing agents :

Au+ > Cr+3

reducing agents :

Cr > Au

3)

cathode :

N20 + 2H+ + 2e- ---> N2 + H20

andoe :

Au ---> Au+ + e-

overall

2 Au + N20 + 2H+ --> 2 Au+ + N2 + H20

Eo cell = 1.77 - 1.69

Eo cell = 0.08

oxidizing agents

N20 > Au+

reducing agents

Au > N2

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3 years ago
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balandron [24]

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