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A mylar novelty balloon is filled with 4.5 L of He at1 atm pressure and 23 degree Celcius temperature. It is then dipped into liquid nitrogen (77K) until the gas and balloon are a
Q. Explain Combined Gas Law? Ans. The combined gas law combines Boyle's law and Charles' law. The combined gas law describes situations where a gas undergoes simul
Define the term - Local electric field and Polarization Local electric field: It's the sum of the electric field from external sources and field of the dipoles within the spe
Explain the Systems at high pressure - Phase Diagram? Binary phase diagrams begin to look different when the pressure is greater than the critical pressure of either of the pur
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
Which of the following has highest melting point: (1) BaCl 2 (2) MgCl 2 (3) Cacl 2
The chemical formula for pure water is H 2 O. Pure water breaks up into an equal number of H + (aq) and OH - (aq) ions. As the amounts of the H + and OH - ions are equal, water i
Nitration or Direct method The number of - NO 2 groups introduced in benzene nucleus relies upon the nature and concentration of the nitrating agent, temperature of nitration
Q. Illustrate Strengths of Acids and Bases? Ans. Acids and bases can be classified as strong or weak . If an acid or base is strong, it ionizes completely in water. On
A medicine dropper is an instrument used to calculate small amount of liquids, usually in milligrams.
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