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3 years ago

Which one is unsaturated hydrocarbon?

Chemistry

1 answer:

Fittoniya [83]3 years ago

6 0

Answer:

The correct answer is - D C2H4.

Explanation:

Saturated hydrocarbons are hydrocarbons with single covalent C-C bonds. They are known as alkanes. The general formula for these hydrocarbons is CnH2n+2

Unsaturated hydrocarbons the hydrocarbons with double or triple covalent C-C bonds. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is CnH2n and CnHn-2

For the given options:

Option D: C2H4, is the simplest alkene with a double bond so it is an unsaturated hydrocarbon.

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At a certain temperature, O2 molecules move at an average velocity of 480 m/s. At that same temperature what would be the veloci

german

Answer:

$r_{He}=169.7m/s$

Explanation:

Hello there!

In this case, since this problem can be understood via the Graham's law, which states that states that the rate of diffusion or of effusion of a gas is inversely proportional to the square root of its molecular weight, which can be extrapolated to the rate, we have:

$\frac{r_{O_2}}{r_{He}} =\sqrt{\frac{M_{He}}{M_{O_2}} }$

Thus, since the molar mass of helium is 4.0 g/mol and that of oxygen is 16.0 g/mol, we solve for the average velocity of helium as shown below:

$r_{He}=r_{O_2}\sqrt{\frac{M_{He}}{M_{O_2}} }\\\\r_{He}=480m/s\sqrt{\frac{4.0g/mol}{32.0g/mol} }\\\\r_{He}=169.7m/s$

Regards!

4 0

3 years ago

2. Florida has mild winter temperatures due to the _____?

Kaylis [27]

Due to the 3. Gulf Stream

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2 years ago

Which formula equation represents the burning of sulfur to produce sulfur dioxide?

Dmitriy789 [7]

Answer:

option A = S(s) + O₂(g) → SO₂ (s)

Explanation:

Chemical equation:

S(s) + O₂(g) → SO₂ (s)

when sulfur burned in the presence of oxygen it produce sulfur dioxide. The sulfur dioxide can further react with oxygen to produce sulfur trioxide and then react with water to form sulfuric acid.

Uses of sulfur dioxde:

It is used as a solvent and reagent in laboratory.

Sulfur dioxide is used to produce sulfuric acid.

It is used as a disinfectant

It is also used as a reducing agent.

It is used to preserve the dry food.

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3 years ago

Which group in the periodic table contains the three elements with the highest electrical conductivities?

9966 [12]

Answer:

C Group 11

Explanation:

Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), and gold (Au).

These elements show highest electrical conductivity.

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3 years ago

Carbon dioxide gas and solid magnesium oxide are produced by the decomposition of solid magnesium carbonate. Write a balanced ch

Westkost [7]

Athe temperature has a great timer ksnswer:

Explanation:

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3 years ago