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inna [77]
4 years ago
11

CAN SOMEONE PLEASE HELP?

Chemistry
1 answer:
IgorC [24]4 years ago
4 0

Hey there!:

The 1s, 2s and 2p subshells are completely filled (a maximum of two electrons go into the 1s subshell and a maximum of two electrons go into the 2s subshell.  The 2p subshell includes 3 orbitals, with 2 electrons maximum per orbital).  The 3s subshell has only one of a maximum of two electrons.

Hope that helps!

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Answer:

The energy should be high.

Explanation:

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An object has a mass of 20 kg and a volume of 5 mL. What is the object's density?
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7 0
4 years ago
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When people smoke, carbon monoxide is released into the air. In a room of volume 70 m3, air containing 5% carbon monoxide is int
KonstantinChe [14]

Answer:

\frac {dQ}{dt}=0.0001-\frac {Q}{70}\times 0.002

Explanation:

Given that the volume is 70\ m^3

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Let Q be the amount of the carbon monoxide present in the room at time t. then,

\frac {dQ}{dt}=Rate\ of\ Q_{in}-Rate\ of\ Q_{out}

Also,

Rate\ of\ Q_{in}=5\%\ of\ 0.002=0.0001

Rate\ of\ Q_{out}=\frac {Q}{70}\times 0.002

Thus,

\frac {dQ}{dt}=0.0001-\frac {Q}{70}\times 0.002

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