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2 years ago

The reaction of nitrogen dioxide with carbon monoxide

Chemistry

1 answer:

Paladinen [302]2 years ago

7 0

Answer:

(1) Rate = k[NO2]^2[CO]

(2) The rate of the reaction is 1.195 Ms^-1

Explanation:

(1) Equation of reaction

NO2 + CO = NO + CO2

The reaction is second-order in NO2 and zero-order in CO

Therefore, rate = k[NO2]^2[CO]^0

(2) Rate = k[NO2]^2[CO]^0

k = 0.790 M^-1s^-1

[NO2] = 1.23 M

[CO] = 0.221 M

Rate = 0.79×1.23^2×0.221^0 = 1.195 Ms^-1

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Why are we pulled to the center of the Earth and not into the much larger sun?

katrin [286]

Answer:

The sun's gravity pulls on the earth, and the earth pulls back on the sun at the same time. This is why the center of the solar system is not the center of the sun. As one gravitational body gets bigger than the other, it circles closer to the center of the system (shown in red).

Explanation:

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2 years ago

Read 2 more answers

3. Fill in: Name the organelle or organelles that perform each of the following functions.

Mekhanik [1.2K]

A. Chloroplasts

B. The cell wall and the vacuole

C. Vacuoles

D. The mitochondrion

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2 years ago

A tetraphenyl phosphonium chloride (TPPCl) powder (FW=342.39) is 94.0 percent pure. How many grams are needed to prepare 0.45 L

slega [8]

Answer:

5.41 g

Explanation:

Considering:

$Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}$

Or,

$Moles =Molarity \times {Volume\ of\ the\ solution}$

Given :

For tetraphenyl phosphonium chloride :

Molarity = 33.0 mM = 0.033 M (As, 1 mM = 0.001 M)

Volume = 0.45 L

Thus, moles of tetraphenyl phosphonium chloride :

$Moles=0.033 \times {0.45}\ moles$

Moles of TPPCl = 0.01485 moles

Molar mass of TPPCl = 342.39 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$0.01485\ g= \frac{Mass}{342.39\ g/mol}$

Mass of TPPCl = 5.0845 g

Also,

TPPCl is 94.0 % pure.

It means that 94.0 g is present in 100 g of powder

5.0845 g is present in 5.41 g of the powder.

Answer - 5.41 g

5 0

3 years ago

How many atoms of carbon are represented in 3CH3CH2O? 2 4 6 8

GenaCL600 [577]

Answer: 6

Explanation:

1) The structure shown is:

3CH₃CH₂O

2) The molecule is CH₃CH₂O. The chemical formula is CH₃CH₂O. The subscripts indicate the number of atoms of the corresponding atom in each molecule.

Then, there are 1 + 1 = 2 atoms of C, 3+ 2 = 5 atoms of H, and 1 atom of O.

3) The number in front of the molecule is the coefficient. It is 3, and it tells the number of molecules.

So, there are 3 molecules, which means that you have 3 times a many atoms as calculated previously.

That is 3×2 = 6 atoms of C, 3 × 5 = 15 atoms of H, and 3 × 1 = 3 atoms of O.

Then, the number of atoms of carbon (C) in 3 molecules is 6

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2 years ago

This family (ethane, propane, butane, etc) of materials is likely to have what set of properties?

Ilya [14]

This family (ethane, propane, butane, etc) of materials is likely to have following set of properties.

The alkanes are non- polar solvents.
The alkanes are immiscible in water but freely miscible in other non-polar solvent .
The alkanes are consisting of weak dipole dipole bonds can not breaks the strong hydrogen bond.
The alkanes having only carbon (C) and hydrogen (H) atom which is bonded by a single bonds only.
The alkanes posses weak force of attraction that is weak van der waals force of attraction.

The ethane, propane, butane, belong to alkanes family.The alkanes are also considers as saturated hudrocarbons. Ethane is found in gaseous stae Ethane is the second alkane followed by propane followed by butane.

learn about butane

brainly.com/question/14818671

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7 0

1 year ago