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Felix Castory

Jun 23

#chemistry #physics

Electromagnetic radiation was emitted in hydrogen spectrum as the result of electron transition from fifth bohr orbit to visible part, calculate; wavelength of the emitted radiation ?

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2 1

Felix Castory

Jun 23

#chemistry #thermodynamics

Define enthalpy of atomisation?

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Felix Castory

Jun 23

#chemistry

Define enthalpy of sublimation?

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Felix Castory

Jun 23

#chemistry

Define enthalpy of neutralisation?

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Felix Castory

Jun 23

#chemistry #science

Define enthalpy of solution ?

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Felix Castory

Jun 23

#chemistry #science

Why 2-chloropropanoic acid is less acidic than 2-floropropanoic acid ?

2 1

Felix Castory

Jun 23

#chemistry #organic-chemistry

Why ethylamine is more basic than methylamine?

3 1

Felix Castory

Jun 23

#chemistry

Explain why propanoic acid is less acidic than ethanoic acid ?

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Felix Castory

Jun 23

#chemistry #organic-chemistry #biochemistry

Distinguish between cyclohexane and cyclohexene?

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Felix Castory

Jun 23

#chemistry #science

Distinguish between ethane and ethylene in two ways?

2 1

Junisa Jusu (J. Grate)

Jun 23

#chemistry #education

Chemistry question to solve the Snap paper ?

Chemistry question to solve the Snap paper

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chemistry-question-to-solve-the-snap-paper

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Felix Castory

Jun 22

#chemistry #science

Why deep brown colour of bromine solution in carbon tetrachloride vanishes when it is treated with excess of ethylene?

2 1

Felix Castory

Jun 22

#reaction-mechanisms #chemistry #organic-chemistry

Why only HBr and not HCL and HI give anti-Markonikov product ?

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Felix Castory

Jun 22

#chemistry #organic-chemistry

Why alkanes have low solubility than other organic compounds?

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Felix Castory

Jun 22

#chemistry #organic-chemistry

Why alkanes have the lowest boiling point than other organic compounds?

2 1

Felix Castory

Jun 22

#chemistry #science

What is the product of the chemical reaction when copper(ll)nitrate is heated strongly?

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Felix Castory

Jun 22

#equations #chemistry

Write chemical equation of reaction between dilute nitric acid and copper(ll)Oxide?

2 1

Felix Castory

Jun 22

#chemistry #science

dilute nitric acid is added to green solid P .A blue solution Q is formed and a gas R that forms white precipitate with lime water is formed.The blue solution is evaporated to dryness and then?

Heated strongly .A black solid S,brown fumes of gas T and gas that relights glowing splint are formed . identify P,S,R. And T?

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Anonymous

Jun 21

#chemistry #science

The structure of alcohol with molar mass of 129 ?

Solve this

1 1

Anonymous

Jun 21

#engineering #chemistry #science

What is an alloy?

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