Jamb 2009 Chemistry Past QuestionsQuestion 26:Two equal bulbs, one containing ammonia and the other nitrogen are opened mouth - to - mouth to each other at room temperature. The entropy in the mixture of gases is likely to A. Remain unchange B. Increase C. Decrease D. Change Question 27:In the diagram above, which of the curves represents the evolution of oxygen with time in the equation 2KClO3(s) → 2KCl(s) + 3O2(g)? A. X B. Y C. Z D. R Question 28:A catalyst increase the rate of a chemical reaction by providing a path that A. Raise the activiation energy B. Increase the temperature C. Lowers the activation energy D. Increase the concentration Question 29:CuO(s) + H2(g) ↔ Cu(s) + H2O(l) What is the effect of increasing the pressure on the equilibrium reaction above? A. The equilibrium is shifted to the left B. The equilibrium is shifted to the right C. There is no effect D. More H2(g) is produced Question 30:The equilibrium of an endothermic reaction which proceeds with an increase in volume can be shifted in the reverse direction by A. Increasing the temperature and decreasing the pressure B. Increasing the pressure and increasing the temperature C. Decreasing the temperature and increasing the pressure D. Decreasing the pressure and decreasing the temperature |
|
| ||||||
Disclaimer All Views, Names, Acronyms, Trademarks, Expressed on this website are those of their respective owners. Please note that www.schoolngr.com is not affiliated with any of the institutions featured in this website. It is always recommended to visit an institutions or sources official website for more information. In the same vein, all comments placed here do not represent the opinion of schoolngr.com SCHOOLNGR - © 2020 - 2024 - Tayo Hammed | Terms Of Service | Copyright | Privacy Policy |