Chemistry
Calculate:
A gas cylinder is filled with hydrogen and it holds 50 g of gas. The same cylinder holds 200 g of gas X and 500 g of gas Y under same temperature and pressure conditions. Calculate the vapour density of gas X and molecular mass of gas Y.
Related Questions
Give balanced chemical equations for the following:
(a) Laboratory Preparation of Ethylene.
(b) Preparation of Ethanol by hydrolysis of alkyl halide.
(c) Ethene reacting with bromine.
What is the role played by the following substances in the extraction of Aluminium ?
(a) Caustic soda
(b) Fluorspar
Explain the following :
(a) HCl gas dissolved in toluene does not affect litmus.
(b) An inverted funnel is used to dissolve Ammonia gas in water.
(c) A bottle of liquor ammonia should be opened very carefully.
The following questions are pertaining to the laboratory preparation of Ammonia gas.
(a) Write a balanced chemical equation for its preparation mentioning the conditions required.
(b) Why is a higher ratio by weight of the alkali used?
(c) How is Ammonia gas collected?