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Inorganic Chemistry
five gram of farm amide is solved in 100 gram of water in 30 centigrade of tempreture.vapour pressure of this solution is 31.2 mmHg.if the vapour pressure of pure water in this tempreture is 31.8mmHg.find their molecular mass.
Inorganic Chemistry
sulfonyl amide (C6H8O2N2S) is solved in acitone (C2H60). what will be the vapour pressure of the solution in which there is 5 gram of acitone,tempreture of the solution is10centigrade. the vapour pressure of pure acitone in this temprature is 400 mmHg.
Inorganic Chemistry
what will be the molality of hydrochloric acid solution when there is 36.5 grams of hydrochloric acid and water inthe solution.
Inorganic Chemistry
Newlands law of octaves was rejected mainly because of which of this:
A. Elements were arranged in increasing order of atomic mass.
B. The cycle of repetition shown by elements is similar to octave in music.
C. it could not hold good for elements heaver than calcium
D. Many radioactive elements have not been discovered then.
A. Elements were arranged in increasing order of atomic mass.
B. The cycle of repetition shown by elements is similar to octave in music.
C. it could not hold good for elements heaver than calcium
D. Many radioactive elements have not been discovered then.
Inorganic Chemistry
Newlands law of octaves was rejected mainly because of;
A. Elements were arranged in increasing order of atomic mass
B. The cycle of repetition shown by elements is similar to octave in music
C. It could not hold good for elements heaver than calcium
D. Many radioactive elements have not been discovered then
A. Elements were arranged in increasing order of atomic mass
B. The cycle of repetition shown by elements is similar to octave in music
C. It could not hold good for elements heaver than calcium
D. Many radioactive elements have not been discovered then
Inorganic Chemistry
a metal x form a salt xso4 form a clean solutions in water which react with Naoh solution so form blue precipitate y .metal x is used making electric wire and alloy like brass.what do think metal x could be?
Inorganic Chemistry
what is the chemical formula of laughing gas?
Inorganic Chemistry
how much NaNO3 must be weighted out to make 50ml of aqueous sol. containing 70mg per
ml?
ml?
Inorganic Chemistry
what contribution of cfas in detergnt powder?
Inorganic Chemistry
in a cilender8 inches in diameter and12 inches in length. another cilender inside the cilinder with a clesrence of 1 inch all around all sides.and closed to seal the top compleatly. on the bottom a small hole to inkect liquid nitrogin.pour liuqid into container,inject liquid nitrogin. how many seconds will it take to freeze liquid? such as water etc.
