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What factors affect the rate of a reaction?

i) Concentration of reactants, or pressure for gases- As there are more particles in a certain volume, they collide more often so there is a greater chance of successful collisions per unit timeii) Press...

Answered by Alexandra B. • Chemistry tutor

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Calculate pH of 0.1M NaOH

pH=14-pOHpOH=-log([OH(-)])NaOH-> Na(+)+OH(-)[NaOH]=[OH(-)]=0.1MpOH=-log(0.1)=1pH=14-1=13

Answered by Laura K. • Chemistry tutor

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Write an expression and units for equilibrium constant for this reaction: 2SO2(g)+O2(g)<-->2SO3(g)

Kc=[SO3]^2/([O2][SO2]^2)Units M-molar concentration mol/lM^2/(M*M^2)=1/M=l/mol

Answered by Laura K. • Chemistry tutor

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Describe how you test for an aldehyde or ketone and distinguish between the two.

To test for an aldehyde or ketone you would use 2,4-dinitrophenylhydrazine (2,4-DNP). 2,4-DNP mixed with methanol and sulphuric acid is knows as Brady's reagent. If a yellow/orange precipitate is forme...

Answered by Shivali J. • Chemistry tutor

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A compound, HOCH2CH2CH2CH2COCl, reacts with itself to give a new compound. Give the IUPAC name for the starting compound, draw the mechanism for the formation of the new compound and give the prominant feature of the IR spectrum of the new compound.

This compound is highly unstable, and it's IUPAC name would be 5-hydroxypentyl chloride. The "hydroxy" part is from the OH alcohol group, "pent" from the number of ...

Answered by David H. • Chemistry tutor

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