ipgeamidal,T-shaped 15) How many Cions are there in 5 moles of FeCls? 2.19 x 102

Question

ipgeamidal,T-shaped 15) How many Cions are there in 5 moles of FeCls? 2.19 x 1024 Cl. ions b 657 x 10S C ions c 437 x103 Chions d 219x 102S Cl-ions ?903 x 1024 a ions C13 16)Which statement INCORRECTLY describes what happens to a sample of an increase in temperature? a. The volume of the gas increases, as long as the pressure remains constant b. The c The kinetic energy of the gas particles increases. d. The number of gas particles increases. e. The gas particles move with increased speed. pressure of the gas increases, if the volume remains constant. EM 114 ing 2018 Exam 2A Spring 201 ? Exam

Explanation / Answer

15) option e is the right answer.

In a single molecule of FeCl3 number of Cl ions is=3

Now,1 mole of FeCl3=6.023*1023 molecules of FeCl3

So,in 1mole of FeCl3 no. of Cl ions =3*6.023*1023

So,in 5 moles of FeCl3 no. of Cl ions =3*5*6.023*1023

  =9.03*1024

16)Option d is incorrect.(as we are increasing the tempsture keeping the system in a closed vessel so by no means no of particles can be increased.

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