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Q. Calculate Enthalpy Changes in system? Ans. It turns out that you can add reactions the same way you add algebraic equations. The enthalpy of the resulting reaction is the su
Q. Describe about states of matter? Under usual conditions matter exists in three different physical forms called the states of matter -solid or liquid or gas. Solid matter
Al is used as reducing agent for the extraction of metals such as Chromium,Monganes.Explain why? Solution) Al3+ + 3 e- Al Good reducing agents like aluminum have relatively
explain why Ni(co)4 is known while Ca(co)4 is not known
The frequency of an electromagnetic radiation is 2x 10 6 Hz. . What is its wavelength in metres : (Velocity of light = 3x10 8 ms -1 ) (1)6.0x 10 14
Q. What do you understand by dissolved oxygen in water? How does it create trouble in boiler? Give chemical methods with suitable reactions to remove it from the water. Ans.
A gas contains 350 ppm of H 2 S in CO 2 at 72°F and 1.53 atm pressure. If the gas is liquified, what is the weight fraction H 2 S? You are asked to make up a laboratory soluti
Conditions for geometrical isomerism: Compound will depict geometrical isomerism if it fulfils the subsequent two conditions (i) There should be frozen motion as regards tw
Q. Show the Effect of concentration on Chemical Equilibrium? Ans. When more of one of the chemicals is added to the reaction, more collisions take place moving the reactio
how to determine the bond polarity and the potential of the two electrodes given: Eg Ag/Zn
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