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Alex17521 [72]
3 years ago
12

The decomposition of nitrogen dioxide is described by the following chemical equation: Suppose a two-step mechanism is proposed

for this reaction, beginning with this elementary reaction: Suppose also that the second step of the mechanism should be bimolecular. Suggest a reasonable second step. That is, write the balanced chemical equation of a bimolecular elementary reaction that would complete the proposed
Chemistry
1 answer:
Mandarinka [93]3 years ago
8 0

Answer:

<u>first step </u>

NO2(g)  ------------------------------------> NO(g) + O(g)

<u>second step</u>

NO2(g) + O(g) -----------------------------> NO(g) + O2(g)

Explanation:

<u>first step </u>

NO2(g)  ------------------------------------> NO(g) + O(g)

<u>second step</u>

NO2(g) + O(g) -----------------------------> NO(g) + O2(g)

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andre [41]

1.905 moles of Helium gas are in the tube. Hence, option A is correct.

<h3>What is an ideal gas equation?</h3>

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

Calculate the moles of the gas using the gas law,

PV=nRT, where n is the moles and R is the gas constant. Then divide the given mass by the number of moles to get molar mass.

Given data:

P= 4.972 atm

V= 9.583 L

n=?

R= 0.082057338 \;L \;atm \;K^{-1}mol^{-1}

T=31.8 +273= 304.8 K

Putting value in the given equation:

\frac{PV}{RT}=n

n= \frac{4.972 \;atm\; X \;9.583 \;L}{0.082057338 \;L \;atm \;K^{-1}mol^{-1} X 304.8}

Moles = 1.905 moles

1.905 moles of Helium gas are in the tube. Hence, option A is correct.

Learn more about the ideal gas here:

brainly.com/question/27691721

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3 0
2 years ago
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LekaFEV [45]

Answer:

6

Explanation:

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If we require 2Al2O3

                       We divide 2 by 3

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8 0
3 years ago
What is the speed of a cheetah that runs 30 miles in 0.5 hours?<br> a
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60 mph (miles per hour)

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6 0
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Calculate the molarity of hydroxide ion in an aqueous solution that has a poh of 5.00
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Answer:

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Explanation:

pOH=-log[OH^-]

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[OH^-]=10^(-pOH)

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3 years ago
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andreev551 [17]
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