Question

Why does NH4NO3 dissolve in water spontaneoulsy even when this process is endothermic?

Answer 1

dG = dH - TdS

Answer 2

:)

Answer 3

:)

Answer 4

so what

Answer 5

dH>0, but still dG<0 since TdS must be >dH

Answer 6

so what

Answer 7

so lets dance :)

Answer 8

i wrote the wrong answer -.-

Answer 9

ohh, how was the exam ?

Answer 10

hadd se zda bekar

Answer 11

hmm, matlab 100/100 nahi ayenge, :/

Answer 12

I wrote being endothermic reaction isn't the only criterion for spontaneity

Answer 13

98 ya 99

Answer 14

thik to hai

Answer 15

ice melts,diffusion,etc all are exothermic

Answer 16

not diffusion is exo i mean i wrote only THAT mucb

Answer 17

mera comment niche kaise aa gay ? o.O

Answer 18

much*

Answer 19

gaya*

Answer 20

idk

Answer 21

well, its never too late to dance :)

Answer 22

is it wrong?

Answer 23

1/2 no. to mil hi jayega

Answer 24

wtf

Answer 25

0 ya 1 deti hai wo

Answer 26

hmm. binary digits ?

Answer 27

write chemical test to distinguish b/w
but 1 yne aur but 2 yne

Answer 28

ammonical AgNo3

Answer 29

:O?

Answer 30

i wrote HBR o_O

Answer 31

1-yne ka test hota hai
amm. AgNO3ya for amm. CuCl

Answer 32

fir*

Answer 33

HBR is wrong? :P

Answer 34

nahi, thats the trick, HBr is never wrong :)

Answer 35

wtf

Answer 36

HBr se react karne pe one gives but 1 bromo butane and other 2

Answer 37

tum dekh ke kaise pata karoge ki 1 bromo bana hai ki 2bromo ?

Answer 38

amm wala test color change hota hai.

Answer 39

wahi sahi ans hai

Answer 40

acha

Answer 41

ok

Answer 42

and, HBr , is never wrong anyways :)

Answer 43

why?

Answer 44

because YOU wrote it :)

Answer 45

The pH of a monobasic acid HA is 4.50.Calculate concentration of everything and Kc.

Answer 46

You did it=you are god :P

Answer 47

spent 30 minutes and nothing

Answer 48

[H+]=[A-]=3.33*10^-5 thats all i got

Answer 49

hmm..

Answer 50

HA - > H+ + A-
1 0 0
1-a a a

a= 3,33*10^-5
1-a = ?

Kc = a^2 / 1-a = a^2 approximately

Answer 51

how can u take it `1

Answer 52

unit conc. the way it is done B|

Answer 53

chal na aise he kuch bhi