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Citrus2011 [14]
3 years ago
15

Why do electrons enter the 4s orbital before entering the 3d orbital?

Chemistry
2 answers:
LUCKY_DIMON [66]3 years ago
8 0
C. Because as it get farther from the nucleus the amount of energy is decreasing
salantis [7]3 years ago
7 0

Answer:

C. because the 4s orbital is at a lower energy level

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The volume of the ideal gas in the container is 9 m3. What would the volume be if four more blocks were placed on top of the lid
7nadin3 [17]
Answer;
             4.5 m³

Solution:
              The statement says that two blocks are present on a lid of a container with volume of 9 m³. The mass of lid is equal to the mass of two blocks. It means that initially there are four blocks (or four atm pressure) upon 9 m³ volume. 

After that four more blocks are placed on the lid. Means the pressure is increased from 4 atm to 8 atm (2 atm of lid, 2 atm of old blocks, 4 atm of new four blocks).

So, Data generated is,

                  P₁  =  4 atm

                  V₁  =  9 m³

                  P₂  =  8 atm

                  V₂  =  ?

According to Boyle's Law,

                               P₁ V₁  =  P₂ V₂

Solving for V₂,
                               V₂  =  P₁ V₁ / P₂

Putting values,
                               V₂  =  (4 atm × 9 m³) ÷ 8 atm

                               V₂  =  4.5 m³
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3 years ago
A flower's color is a trait that is passed from one generation to the next generation. How a trait such as flower color is physi
klemol [59]
I think it’s A (don’t take my word for it just consider that one greatly)
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