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olga_2 [115]
3 years ago
11

Brainliest will be awarded..!!

Chemistry
1 answer:
borishaifa [10]3 years ago
3 0

Answer:

Air Pollution is the cause, air pollutants over the years weathered and eroded the Taj Mahal giving it a different color. But natural discoloration is normal since the Taj Mahal is over 400 years old.

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If you use about 4.5 x 1023 atoms of carbon in your pencil as you complete this
raketka [301]

Answer:

0.74mol

Explanation:

4.5×10^23/6.02×10^23=0.74mol

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3 years ago
The s subshell can hold up to two electrons in an atom. True or False
marshall27 [118]
True but this can vary 
5 0
3 years ago
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I have no idea on how to do this here is the question (For the following pairs of atoms, show how they transfer valence electron
Maru [420]

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uhh

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i hope you find this answer

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3 years ago
How many valence electrons do the alkaline earth metals have?
fenix001 [56]

Answer:

\boxed{2}

Explanation:

Alkaline earth metals are in group 2. The number of valence electrons of elements in group 2 is 2.

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3 years ago
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What is the temperature of 0.460 mol of gas at a pressure of 1.2 atm and a volume of 12.5 L ? Express your answer using two sign
Taya2010 [7]

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Density is immediately proportional to stress and indirectly proportional to temperature. As stress increases, with temperature constant, density will increase. Conversely when temperature increases, with strain regular, density decreases.

The equations describing those legal guidelines are unique cases of the best gasoline regulation, PV = NRT, wherein P is the pressure of the gas, V is its extent, n is the number of moles of the gas, T is its kelvin temperature, and R is the ideal (common) gas constant.

Learn more about pressure here: brainly.com/question/25736513

#SPJ4

5 0
2 years ago
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