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Sauron [17]
3 years ago
7

How does width affect capillary rise?

Chemistry
1 answer:
Scilla [17]3 years ago
7 0

The narrower the tube, the water will rise to a greater height.

Explanation:

Capillary rise is the height to which the water rises within the tube, and decreases as the width of the tube increases.

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It admits high doses of carbon dioxide into the atmosphere and the transport of radioactive waste causes carbon dioxide emissions
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The equation below represents the chemical reaction between the elements hydrogen and oxygen when the compound water is formed.
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b

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Use bond energies to calculate ΔHrxn Δ H r x n for the reaction. 2H2(g)+O2(g)→2H2O(g) 2 H 2 ( g ) + O 2 ( g ) → 2 H 2 O ( g )
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Answer:

\large \boxed{\text{-486 kJ}}

Explanation:

You calculate the energy required to break all the bonds in the reactants.

Then you subtract the energy needed to break all the bonds in the products.

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D/kJ·mol⁻¹:     436      498          464

\begin{array}{rcl}\Delta H & = & \sum{mD_{\text{reactants}}} - \sum{nD_{\text{products}}}\\& = & 2 \times 436 +1 \times 498 - 4 \times 464\\&=& 1370 - 1856\\&=&\textbf{-486 kJ}\\\end{array}\\\text{The enthalpy of reaction is $\large \boxed{\textbf{-486 kJ}}$}.

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2 years ago
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bazaltina [42]

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<h3>A. </h3>

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Mechanical energy is energy in motion is the example of mechanical energy⚡

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