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Blizzard [7]
3 years ago
14

I need help with this, Please help.

Chemistry
2 answers:
Nata [24]3 years ago
6 0

I know the answer is B hope this helps

LUCKY_DIMON [66]3 years ago
5 0

Answer:

b

Explanation:

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What element has the electrons configuration of [Ar]4s^2 3d^5
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Answer:

Manganese

Explanation:

Using rules you will find the location on 3d^5 because you subtract one level when in the d block

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3 years ago
I need help!!! Please
irinina [24]

Answer:

B

Explanation:

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3. According to Newton's First Law of Motion, what does an object at rest do?
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Explanation:

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A large balloon is initially filled to a volume of 25.0 L at 353 K and a pressure of 2575 mm Hg. What volume of gas will the bal
bija089 [108]

Answer:

45.0 L is the volume of gas will the balloon contain at 1.35 atm and 253 K.

Explanation:

Using Ideal gas equation for same mole of gas as

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

Given ,  

V₁ = 25.0 L

V₂ = ?

P₁ = 2575 mm Hg

Also, P (atm) = P (mm Hg) / 760

P₁ = 2575 / 760 atm = 3.39 atm

P₂ = 1.35 atm

T₁ = 353 K

T₂ = 253 K

Using above equation as:

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

\frac{{3.39}\times {25.0}}{353}=\frac{{1.35}\times {V_2}}{253}

\frac{1.35V_2}{253}=\frac{3.39\times \:25}{353}

Solving for V₂ , we get:

<u>V₂ = 45.0 L</u>

45.0 L is the volume of gas will the balloon contain at 1.35 atm and 253 K.

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3 years ago
What is the hybridization of bromine in BrO2-?
kap26 [50]
<span>The hybridization of bromine must be sp^3.</span>
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3 years ago
Read 2 more answers
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