ATM08t»HEltB 27 



Questions 



1. Abort how far abort the «^i rt li i- tbe ttaotplMfi bi 

 toextend? -J. \\ bow i- Um all denoefl I '■*. How dooi Um thin 



upper air prated the earth 1 4. What i- an «-i« m.nt .".. What 



18 a compound? ('». What is I mixtiiiv: 7. I- an an <•hm.nl , 

 P Uln P UUBd <»r mivtiuv I S. Na fi.nr gMM found in the fttOKM 



pfcoro. 9. Doftcrii'. oxjgpm. in. Describe nitrogen, ii Dt 



12. Nana* three w«-ll kiKiun tonus <>t eOfbOtt. 



PROBLEM 



li acre of Inn. I an- al...nt 16,200 1«.ns of air. II 

 iH.nnt of nil eontaini 29 per eeni by weight <.t - 

 t i 1 1 • 1 the weight <>t axjgen gas resting <m eneb acre. 



