What is the most significant force that attracts water molecules to each

Chemistry

1 answer:

KatRina [158]3 years ago

8 0

The answer is D it was on Brainly

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Each elements on the periodic chart is made up of a certain kind of atom. Agree or Disagree reason why

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Write the expression for the equilibrium constant for this reaction. 2N205(g) <==> 4N02(g) + 02(g)

Elis [28]

Answer:

K = [NO₂]⁴[O₂] / [N₂O₅]²

Explanation:

Based on the chemical equilibrium reaction:

2 N₂O₅(g) ⇄ 4NO₂(g) + O₂(g)

The equilibrium reaction is obtained as the ratio between the multiplication of the concentrations of the reactants over the products powered to its reaction coefficient. That is:

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3 years ago

How many moles of NaCl will react completely with 18.5 L F2 gas at 300.0 K and 1.00 atm?

meriva

Hello!

Data:

P (pressure) = 1 atm
V (volume) = 18.5 L
T (temperature) = 300 K
n (number of mols) = ? (in mol)
R (Gas constant) = 0.082 (atm*L/mol*K)

Apply the data to the Clapeyron equation (ideal gas equation), see:
$P*V = n*R*T$

$1*18.5 = n*0.082*300$

$18.5 = 24.6n$

$24.6n = 18.5$

$n = \dfrac{18.5}{24.6}$

$\boxed{\boxed{n \approx 0,752\:mol}}\end{array}}\qquad\checkmark$

Note: If the feedback is to be considered, the closest response is 0.751 mol Nacl

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I hope this helps. =)

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1. What is uncertainty in measurements?

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Answer:

In metrology, measurement uncertainty is the expression of the statistical dispersion of the values attributed to a measured quantity.By international agreement, this uncertainty has a probabilistic basis and reflects incomplete knowledge of the quantity value. It is a non-negative parameter.

<h2>Hope it helps you.</h2>

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