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pychu [463]
3 years ago
6

1. Is water an element ?

Chemistry
2 answers:
earnstyle [38]3 years ago
3 0

Answer:

no

Explanation:

Water is made up of oxygen and hydrogen. both of those are on the periodic table. water is not an element though

hope this helps!

Please mark me brainliest!

nalin [4]3 years ago
3 0

Answer:

That is a good question but water is not an element it's a compound.

Explanation:

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The product of aerobic respiration is Carbon dioxide.

Explanation:

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  • The types of respiration are : Anaerobic and aerobic respiration.
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How is matter and energy conserved when liquid is frozen
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3 0
4 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}

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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}}}

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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}

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3 years ago
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