Nitrogen and Overall Cell Reaction Free Essays

Candidate session number 0 0 Examination code 8 8 1 1 – 6 1 0 5 Write your session number in the boxes above. Do not open this examination paper until instructed to do so. Section A: answer all questions. We will write a custom essay sample on Nitrogen and Overall Cell Reaction or any similar topic only for you Order Now Section B: answer one question. Write your answers in the boxes provided. 19 pages  © International Baccalaureate Organization 2011 0120 –2– SECTION A Answer all questions. Write your answers in the boxes provided. 1. N11/4/CHEMI/SP2/ENG/TZ0/XX Airbags are an important safety feature in vehicles. Sodium azide, potassium nitrate and silicondioxidehavebeenusedinonedesignofairbag. [Source:www. hilalairbag. net] Sodium azide, a toxic compound, undergoes the following decomposition reaction under certainconditions. 2NaN 3 (s) 2Na (s) + 3N 2 (g) Twostudentslookedatdatainasimulatedcomputer- asedexperimenttodeterminethevolume ofnitrogengeneratedinanairbag. (a) Sodium azide involves ionic bonding, and metallic bonding is present in sodium. Describeionicandmetallicbonding. How to cite Nitrogen and Overall Cell Reaction, Papers