NABTEB

Calculate the enthalpy of combustion of ethanol. – NABTEB QUESTION

When 4.6g of ethanol, CH3CH2OH were burned in a calorimeter containing 1.0kg of water, the temperature rises from 291k to…

5 years ago

Define heat of combustion of a compound. – NABTEB QUESTION

The heat of combustion of a compound is the heat evolved/ given off when one mole of the compound is…

5 years ago

Give ONE chemical test to distinguish between each pair of compounds given below. But -1- yne and but -2-yne; But -1- ene and n- butane – NABTEB QUESTION

1. No simple chemical test to distinguish the two alkynes. 2. But -1- ene decolorizes bromine water, while n- butane…

5 years ago

Explain the term ENDOTHERMIC reaction and EXOTHERMIC reaction. – NABTEB QUESTION

Solution: I. Endothermic reaction is a chemical reaction in which heat is absolved from the atom sphere or surrounding. ii.…

5 years ago

Differentiate between true electrolytes and POTENTIAL electrolytes. – NABTEB QUESTION

Solution: 1. True Electrolytes are compounds which in solution or molten state will conduct electricity and decompose during the process.…

5 years ago

Define each of the following terms. 1. Electrolysis 2. Electrolytes 3. Electrodes. – NABTEB QUESTION

Solutions 1. Electrolysis: - is the chemical decomposition of a compound due to the passage of electricity through its solution…

5 years ago