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
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) โ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) โ co2(g) k=1.363ร10^69 b. 2 h2(g) + o2(g) โ 2 h2o(g) k=1.389ร10^80 c. 2co(g) + o2 (g) โ 2 co2(g) k=1.477ร10^90