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Harshit Gupta

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Prove that for all sets A and B, if B ⊆ A, then (A-B) U B = A.

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10 Dec 2022

Answer: Answered.

How much 1.5M HCI solution can be made by diluting 450 mL of 9M HCI ?

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10 Dec 2022

Answer: 27mlStep-by-step explanation:In order to solve this dilution, we must ...

Define pKa and discuss the following trend in pKa values:
Benzoic acid pKa= 4.19; p-chlorobenzoic acid pKa= 3.98; p-nitrobenzoic acid pKa= 3.41

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10 Dec 2022

Answer: Step-by-step explanation: pKa is a number that describes the acidity o...

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10 Dec 2022

Answer: CO + 2 H2 ⇌ CH3OH, ΔH = −91 kJ mol−1Step-by-step explanation: Methanol...