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Why do you use a pencil and not a pen to mark TLC plates?Topic: Chemistry
What is the activation energy of a reaction? How is the rate constant of a reaction related to the activation energy? How can activation energy be calculated from this relationship?Topic: Chemistry
The vapour pressure of pure benzene at a certain temperature is 640 mm Hg. When a nonvolatile and nonelectrolyte solid weighing 2.175 g is added to 39.0 g of benzene, the vapour pressure of the solution is 600 mm Hg. What is the molecular mass of the solid substance?Topic: Chemistry
How is the free energy change related to the enthalpy and entropy change of a substance?Topic: Chemistry
Express the relationship between molar conductivity and specific conductivity of a solution. What is the unit of molar conductivity?Topic: Chemistry
The depression of freezing point caused by a 1M NaCl solution is C. What will be the depression of freezing point caused by a 1 M glucose solution?Topic: Chemistry
The coordination number of each ion in copper crystals is:Topic: Chemistry
Out of the following solutions, the one having the highest boiling point will be:Topic: Chemistry
Cannizzaros’ reaction is given by:Topic: Chemistry
[CoBr] and [Co] Br exhibitTopic: Chemistry
Draw the isomers of a compound with the molecular formula \(C_4H_4O_4\). Name the isomers.Topic: Chemistry
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