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3 years ago

The reaction of nitrogen dioxide with carbon monoxide

Chemistry

1 answer:

Paladinen [302]3 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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A) Draw three structures of 3 sulfur containing acids. Minimize formal charges by expanding sulfur's octet . Include any nonbond

Sedbober [7]

You may find the structure of compounds as well the oxidation number of sulfur in each compound written with blue color. The nonbonded electrons are represented by black dots.

Explanation:

In the methyl sulfenic acid sulfur have a oxidation number of 0, because we have +1 from carbon and -1 from hydroxil group.

In the methyl sulfinic acid sulfur have a oxidation number of +2 , because we have +1 from carbon, -1 from hydroxil group and -2 from oxygen.

In the methyl sulfonic acid sulfur have a oxidation number of +4 , because we have +1 from carbon, -1 from hydroxil group, -2 from one oxygen and -2 form the other oxygen.

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oxidation numbers

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4 0

4 years ago

Word equations- Please help ASAP

nekit [7.7K]

Answer:

See answer below

Explanation:

In this case, you just need to use any acid you want (Like HCl, or H₂SO₄) to do this exercise.

You are given a sample of what you have to do which is:

Acid + metal ------> Salt + hydrogen

As you can see, an acid like the ones I wrote above, have hydrogen atoms, so you should put the hydrogen there. As for the part of salt, you just need to draw the corresponding salt that is formed when the acid reacts with the metal, and write it's name.

Let's do all three equations for you to a better understanding. For all the given examples, I will use HCl as acid, and i will explain one reaction cause the other two reactions happens the same thing, only with a different metal.

1. 2HCl + Zn ------> ZnCl₂ + H₂

As you can see, we just have a displacement reaction where the metal displaces the position of the hydrogen to form the salt and the hydrogen leaves the molecule as a gaseous molecule. Written in words it would be:

Hydrochloric acid + Zinc ----> Zinc chloride + hydrogen

2. 2HCl + Pb -------> PbCl₂ + H₂

Hydrochloric acid + lead ------> Lead (II) chloride + hydrogen

3. 2HCl + Fe -------> FeCl₂ + H₂

Hydrochloric acid + iron ------> Iron (II) chloride + hydrogen

Hope this helps

4 0

3 years ago

Classify these substances. More than one answer may apply in each case.

enyata [817]

Answer: $H_2$ : Pure substance, Element

$O_2$ : Pure substance , Element

$H_2O$ : Pure substance, Compound

Explanation:

Element is a pure substance which is composed of atoms of similar elements.It can not be decomposed into simpler constituents using chemical reactions.Example: $H-2$ and $O_2$

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: $H_2O$

Heterogeneous Mixture : Mixture that has its different components mixed unevenly within the substance . Example: Air

Homogeneous Mixture : Mixture that has its different components mixed evenly within the substance. Example: sugar dissolved in water

3 0

4 years ago

What Is Photosynthesis?

irina1246 [14]

Answer:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.

Explanation:

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7 0

3 years ago

Read 2 more answers

250. grams of ethane are allowed to react with 220. grams of oxygen gas. Which of these

irinina [24]

Answer:

1) Ethane is the limiting reactant

2) mass of CO₂ produced is 733.33 g

Explanation:

C₂H₆ + 2O₂ → 2CO₂ + 3H₂ ------------------------(1)

molar ratio for equation (1) can be shown as;

1 : 2 → 2 : 3

molecular weight of moles of C₂H₆ = 30 g/mol

molecular weight of moles of O₂ = 32 g/mol

molecular weight of moles of CO₂ = 44 g/mol

mass of O₂ = 220 g

mass of C₂H₆ = 250 g

number of moles of O₂ = mass ÷ molecular weight = 220 g ÷ 32 g/mol * 2 = 13.75 moles

number of moles of C₂H₆ = mass ÷ molecular weight = 250 g ÷ 30 g/mol = 8.333 moles

1) Ethane is the limiting reactant as the 8.333 moles will finish before the 13.75 moles of the oxygen is totally consumed.

2) 1 mole of C₂H₆ will form 2 moles of CO₂

Therefore, 8.333 moles will form 16.667 moles of CO₂

mass of CO₂ formed = number of moles * molecular weight = 16.667 * 44 = 733.33 g

7 0

3 years ago

Read 2 more answers