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uranmaximum [27]
3 years ago
15

What occurs in electroplating?

Chemistry
1 answer:
mixas84 [53]3 years ago
5 0
I think it’s the first one. Electroplating means you put on a layer of metal on something.
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Help me with this question please
Natasha_Volkova [10]

Answer:

I dont know sorry i will try my best htough

Explanation:

7 0
2 years ago
Calculate the work, w, gained or lost by the system when a gas expands from 15 L to 45 L against a constant external pressure of
marta [7]

Answer:

Work done by the system = 4545 J

Explanation:

The expression for the calculation of work done is shown below as:

w=-P\times \Delta V

Where, P is the pressure

\Delta V is the change in volume

From the question,  

\Delta V = 45 - 15 L = 30 L

P = 1.5 atm

w=-1.5\times 30\ atmL

Also, 1 atmL = 101 J

So,  

w=-1.0\times0.75\times 101\ J=-4545\ J (negative sign implies work is done by the system)

<u>Work done by the system = 4545 J</u>

6 0
3 years ago
How much water does the average person in<br> the U.S. use on a daily basis?
choli [55]

Answer: The average person drinks 8 cups per day, equaling to 1/2 gallon per day and 182.5 gallons per year.

Explanation:

5 0
3 years ago
Read 2 more answers
If a shell can hold a maximum of 32 electrons, what is the value of n?
olga2289 [7]
<span>Begin by classifying which energy level, and indirectly principal quantum number, n, resembles to the N shell. no. of orbitals =n2 In your case, the fourth energy level will contain n=4⇒no. of orbitals= 4^2=16 The number of subshells is given by the principal quantum number. no. of subshells=n In your case, the fourth energy level will have no. of subshells = 4 this is the answer to check: the fourth energy shell will can hold a thoroughgoing of no. of electrons=2⋅42=32 e−</span>
4 0
3 years ago
Read 2 more answers
In the reaction
ivolga24 [154]
Water is the BL base if it accepted a proton from NH4.
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2 years ago
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