solution and colligative properties
what is molarity of a solution of hcl which contains 49% by weight of solute and whose specific gravity is 1.41
Briefly define the term oxidizing agent?
changes in matter law of chemical combination
Detail the moles of HCl which are present in .70 L of a .33 M HCl solution?
what are the examples of biodegradable polymers
Which is more reactive towards nucleophilic substitution aryl halide or vinyl halides
Aryl halides are much less reactive towards nucleophilic substitution reactions than haloalkanes. The less reactivity of aryl halides can be described
Methane containing 4 mol% N2 is flowing through a pipeline at 105.1 kpa and 22 °C. To check this flow rate, N2 at the same temperature and pressure are introduced to the pipeline at the rate of 2.83 m3/min. At the end of the pipe (
an atom of an element is 10.1 times heavier than the mass of a carbon atom.What is its mass in amu?
Give me answer of this question. A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressure of the pure hydrocarbons at 20°C are 440 mmHg for pentane and 120 mmHg for hexane. The mole fraction of pentane in the vapour phase would be: (a) 0.549 (b)
Briefly state the wavelengths which the human eye can see?
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