Phollobrova
YABA COLLEGE OF TECHNOLOGY SCHOOL OF SCIENCE DEPARTMENT OF CHEMICAL SCIENCE 2M SEMESTER EXAMINATIONS 2016/2017 SESSION PAPER CODE: ISTRY TIME:2 HRS COURSE UNIT iting, writing or any other inscription on your question paper, except name and registration number where necessary. ROHIBITED IN THE EXAMINATION HALL ATTEMPT 2 IN SECTION A AND 2 QUESTIONS IN SECTION B 4 T and Z are two elements which form T2Zz and TZ, molecules. If 0.1 mole of T2Z; and TZ2 weighs 16.9 g and 10.3 g respectively. What are the atornic mass of T and Z? If 9.45 g of X element contains 9.03 x 1022 atoms and 0.1 mole of X2Y2 compound is 16 g. Find the atomic mass of Y element. ne the following terms Theoretical vield
For the reaction i2(g)+br2(g)←−→2ibr(g), kc=280 at 150 ∘c. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 ∘c. what is the equilibrium concentration of 2ibr, i2, br2
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!