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marysya [2.9K]
3 years ago
14

Which of the following is not a method of preserving metal?

Chemistry
1 answer:
olga55 [171]3 years ago
6 0

Answer:

I believe the answer is a

Explanation:

Painting does not save the chemical structure for preserving metals.

If this helped can i please have brainliest?

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ALBERT ENSTIEN !!!!!
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Which phases can coexist at equilibrium at point A on the phase diagram?
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Answer:

<u>A. solid and gas</u>

Explanation:

It is called sublimation point

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A particular form of electromagnetic radiation has a frequency of 8.11 x 10^14 hz. What is the energy in joules of one quantum o
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PLS HELP ON A TIMER!
aleksklad [387]

Answer:

3.02

Explanation:

4 0
3 years ago
URGENT!!-- Please help!
blondinia [14]

Moles of gas = 0.369

<h3>Further explanation</h3>

Given

P = 2 atm

V = 5.3 L

T = 350 L

Required

moles of gas

Solution

Ideal gas Law

\tt n=\dfrac{PV}{RT}\\\\n=\dfrac{2\times 5.3}{0.082\times 350}\\\\n=0.369

Avogadro's law : at the same temperature and pressure, the ratio of gas volume will be equal to the ratio of gas moles  

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moles of Ar = 12% x 0.369 = 0.044

moles of N = 43% x 0.369 = 0.159

3 0
3 years ago
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