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Nostrana [21]
4 years ago
10

What is the bond angle of a regional planar molecule

Chemistry
1 answer:
blsea [12.9K]4 years ago
3 0
For bent molecular geometry<span> when the electron-pair geometry is trigonal </span>planar<span> the </span>bond angle<span> is slightly less than 120 degrees, around 118 degrees. </span>
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What is the most appropriate unit of astronomical distance to represent the distance between an earth an orbiting space station
Reil [10]
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4 0
3 years ago
How much faster does ethane (C2H6) gas travel compared to chlorine gas?
zimovet [89]

Answer:

\large \boxed{\text{54 $\, \%$ faster }}

Explanation:

v_{\text{rms}} \propto \sqrt{\dfrac{3RT}{M}

if temperature is constant.  

v_{\text{rms}} \propto \sqrt{\dfrac{1}{M}

if we are comparing two gases,

\dfrac{v_{2}}{v_{1}} = \sqrt{\dfrac{M_{1}}{M_{2}}}

Let chlorine be Gas 1 and ethane be Gas 2

Data:

M₁ =  70.91 g/mol

M₂ = 30.07 g/mol

Calculation

\begin{array}{rcl}\dfrac{v_{2}}{v_{1}} & = & \sqrt{\dfrac{M_{1}}{M_{2}}}\\\\& = & \sqrt{\dfrac{70.91}{30.07}}\\\\& = & \sqrt{2.358}\\\\& = & \mathbf{1.54}\\\end{array}\\\text{Ethane molecules travel at 1.54 times the speed of chlorine molecules}\\\text{or $\large \boxed{\textbf{54 $\%$ faster }}$ than chlorine molecules}

5 0
3 years ago
PLEASE HELP I'M SO DOOMED
BartSMP [9]

Answer:

D

Explanation:

31 / 2.8 = 11.0714286 L per mole of helium

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2.8 + 0.875 = 3.675 moles

11.0714286 x 3.675 = 40.6875 L

3 0
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schepotkina [342]

Answer:

b

Explanation:

b

5 0
3 years ago
Based on this table, what do the group 18 elements have in common?_
Inessa05 [86]
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3 0
3 years ago
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