Question

The amount of energy released when 1 * 10^8 atoms of chlorine are coverted to cl^- ions according to equation cl + e ->cl^- is 57.86 * 10^-10 j calculate electron gain enthalpy in terms of kj/mol and eV

Answer 1

@apoorvk @Callisto

Answer 2

we need to find no of moles

Answer 3

or just multiply

Answer 4

\(57.86 \times 10^{-10} J\) --> that's the enthalpy??

Answer 5

1 kj = 1000 j

1 eV = 96.49 kj/mol

Answer 6

If that's the enthalpy (which is what it should be acc. to the system, then that's per mole, and you will need to find out the energy corresponding to 10^8 atoms.

Answer 7

we have to multiply with 6.02*10^23

Answer 8

@apoorvk help

Answer 9

@apoorvk wat should i do???

Answer 10

if that energy listed is for a single atom, then you multiply by \(N_A\).

Otherwise, use the unitary method.

Answer 11

the unitary method. means????

Answer 12

changing unit???

Answer 13

That's something you studied in your 1st grade :P

"If 2 apples cost 6 bucks, then 3 apples cost?" .. remember? ;)

Answer 14

1 kj = 1000 j

1 eV = 96.49 kj/mol

Answer 15

1 bucks

Answer 16

ok thxxx

Answer 17

1 kj = 1000 j

1 eV = 96.49 kj/mol

Answer 18

PLzz look cos(x+y) prob...

Answer 19

here is the link http://openstudy.com/study?signup#/updates/50063735e4b0624180676ddd

Answer 20

1 buck???????? :O

Seriously - how can 3 apples cost less than 2??

(though that was never the point, I just wanted to remind you)


And yeah i'll have a look at that..

Answer 21

hey i just joked lol

Answer 22

it is 9 i knw

Answer 23

lol okay..