Chemistry
1250 cc of oxygen was burnt with 300 cc of ethane (C2H6). Calculate the volume of the unused oxygen and the volume of the carbon dioxide formed:
2C2H6 + 7O2 ⟶ 4CO2 + 6H2O
Related Questions
The following is a sketch of an electrolytic cell used in the extraction of aluminium :
(i) What is the substance of which the electrodes A and B are made?
(ii) At which electrode (A or B) is the aluminium formed ?
(iii) What are the two aluminium compounds in the electrolyte C ?
(iv) Why is it necessary for electrode B to be continuously replaced ?
Define
(a) Electron affinity.
(b) Catenation.
Write a balanced reaction where sulphuric acid shows the following properties:
(a) Oxidising agent
(b) Non Volatile Acid
(c) Dehydrating agent
Choose the answer which fits the description from the list given below:
[CaO, CO2, NaOH, Fe(OH)2, CO, ZnO]
(a) A base insoluble in water.
(b) An oxide which is yellow when hot and white when cold.
(c) A neutral oxide