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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

LK
Answered by Laura K. Chemistry tutor
25806 Views

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

LK
Answered by Laura K. Chemistry tutor
10749 Views

How is DNA transcribed into mRNA?

The gene to be transcribed s unwound and unzipped using the enzyme DNA helicase which breaks the hydrogen bonds between complementary bases. Activated RNA nucleotides then bind to the exposed complemen...

SJ
Answered by Shivali J. Biology tutor
6606 Views

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...

SJ
Answered by Shivali J. Chemistry tutor
35753 Views

What factors affect the rate of photosynthesis in plants?

Three main factors affect the rate of photosynthesis:

Light intensity: Increasing light intensity will increase the rate of photosynthesis, until the maximum amount of li...

BH
Answered by Brennen H. Biology tutor
30095 Views

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