chemical kinetics

The reaction 2N2O5 <--> 4NO2 + O2 follows Ioder kinetics. Hence the molecularity of reaction is
unimoleqular.
pseudo unimoleqular
bimoleqular.
none of these.

Given that Zn + ½ O2 --> ZnO + 35.28 kj HgO --> Hg + ½ O2 - 9.11 kj so the heat of reaction Zn + HgO --> ZnO + Hg is
26.17 kj
44.39 kj
-44.39 kj
-26.17

Among the following : NaOH, Ca(OH)2, KOH and Zn(OH)2 The weakest base is
NaOH
Ca(OH)2
KOH
Zn(OH)2 xplain with reasons

23 Answers

1
°ღ•๓яυΠ·

m sure itz bimolecular

1
sahithya Reddy ·

oh,,,,,,,,this is not fair

1
JOHNCENA IS BACK ·

n take my word ans. to first one is none of these .
got it!

1
JOHNCENA IS BACK ·

heat of given reaction=-35.28+9.11=-26.17KJ

ok...now

1
sahithya Reddy ·

john can u post solution of 2nd one

1
Dharun ·

ya its bimolecular rxn

plz explain second one

1
°ღ•๓яυΠ·

eh m damn sure itz bimolecular

c #4

1
JOHNCENA IS BACK ·

damn sure it can't be bimolecular.

ans. is 100% none of these.
wherever that ans. bimolecular is given it is definitely wrong

1
sahithya Reddy ·

bimolecular reaction

1
JOHNCENA IS BACK ·

well then gud night....sweet dreams.

1
JOHNCENA IS BACK ·

sahitya...buck up!!
post the answer![3]

1
JOHNCENA IS BACK ·

n i m sure it is none of these

1
Dharun ·

Q2 ANS=26.17 kj

1
JOHNCENA IS BACK ·

sahitya plz hurry.tell the ans. to first one
[6]=feeling sleepy.!!!!!!!!!

1
JOHNCENA IS BACK ·

@dharun

i will but first i wanna know ans. to 1st ques.

1
Dharun ·

john explain 2nd 1

1
JOHNCENA IS BACK ·

sahitya tell ans. of 1st question(molecularity wala)

1
°ღ•๓яυΠ·

c post # 7

1
sahithya Reddy ·

ya ans is -26.17kj,,,,but how,,,,,,,,,am getting 26.17kj

1
°ღ•๓яυΠ·

1st is -26.17

second is also rite itz bimolecular m sure

itz given in d rextion it self na
i mean they hav gievn balnced rxtions .....so 35....sumthng is d heat gievn out .........

n in d secodn one ....... -9... is d heat gievn 2 carry out d rxtion ie endothrmic ......dats y

pehle meine woh + - i mean balnced rxtion ni dekha i thouht itz geivn as delH .......sorry guys

1
JOHNCENA IS BACK ·

1st ka answer

none of these

1
JOHNCENA IS BACK ·

no!dharun ans. to 2nd one is = -26.17KJ

1
°ღ•๓яυΠ·

1st bimolecular

order of rxtion n molecularity r diffrnt........

order is knwn frm xperimantal data ...........

moelclarrity is d no of moles takin part in a rxtion ......

here 2 moles of substnce take part so itz 2 molecularity is 2

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