by Sunday | Dec 27 | Chemistry WAEC
A. shift the equilibrium to the right B. increase the yield of ammonia C. decrease the amount of hydrogen D. decrease the yield of ammonia Correct Answer: Option D – decrease the yield of ammonia Explanation In this case, an increase in temperature will cause...
by Sunday | Dec 27 | Chemistry WAEC
A. Forward and backward reactions occur at the same rate B. The concentrations of reactants must equal that of the products C. The concentrations of, reactants and products can be changed by adding a catalyst, D. The concentrations of reactants and products are not...
by Sunday | Dec 27 | Chemistry WAEC
A. mobile electrons B. free electrons C. octahedral structures D. layered structures Correct Answer: Option D – layered structures Explanation Graphite is an excellent dry lubricant. This is because its layered structure allows one layer to slide over another...
by Sunday | Dec 27 | Chemistry WAEC
A. NO2 B. CO2 C. NH3 D. N2O Correct Answer: Option C – NH3 Explanation Alkaline gases are any gaseous compounds that form an alkali (or basic) solution with a pH greater than 7 when dissolved in water. Ammonia is the most common alkaline...
by Sunday | Dec 27 | Chemistry WAEC
A. 1.0 atm B. 0.1 atm C. 9.0 atm D. 0.9 atm Correct Answer: Option B – 0.1 atm Explanation Partial pressure is found by Dalton’s Law: Px = PTotal ( nx / nTotal ) where Px = partial pressure of gas x PTotal = total pressure of all gases nx = number of moles...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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