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Liula [17]
3 years ago
9

Methane state at 25 degrees Celsius​

Chemistry
1 answer:
vampirchik [111]3 years ago
4 0
Methane is used as feed stock to chemical industry and is the main constituent of the fuel natural gas. Chemical, physical and thermal properties of methane: Values are given for gas phase at 25 °C /77 °F / 298 K and 1 atm., if not other phase, temperature or pressure given.
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A reaction that combines simpler reactants to form a new compound is called a
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A reaction that combines simpler reactants to form a new compound is called a

<h2>Synthesis reaction.</h2>
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What is the charge of the ions formed by Na and by Cl?
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Na+ is positively charged as it loses an electron

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An object was measured by a worker as
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It is desired to produce 2.25 grams of dichloromethane (CH2Cl2) by the following reaction. If the percent yield of dichlorometha
Allushta [10]

Answer:- 3.12 g carbon tetrachloride are needed.

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CH_4+CCl_4\rightarrow 2CH_2Cl_2

From given actual yield and percent yield we will calculate the theoretical yield that would be further used to calculate the grams of carbon tetrachloride.

percent yield formula is:

percent yield = (\frac{actual}{theoretical})100

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theoretical=(\frac{2.25(100)}{65.5})

theoretical = 3.44 g

From balanced equation, there is 2:1 mol ratio between dichloethane and carbon tetrachloride.

Molar mass of dichloroethane is 84.93 gram per mol and molar mass of carbon tetrachloride is 153.82 gram per mol.

3.44gCH_2Cl_2(\frac{1molCH_2Cl_2}{84.93gCH_2Cl_2})(\frac{1molCCl_4}{2molCH_2Cl_2})(\frac{153.82gCCl_4}{1molCCl_4})

= 3.12gCCl_4

So, 3.12 grams of carbon tetrachloride are needed to be reacted.

8 0
3 years ago
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