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What is the mass of a sample of ice that requires 850.0 joules to completely melt at 0 degrees Celsius?

Why do alkenes have geometric isomers and while alkanes and alkynes do not?

Question #272d2

How do you solve # 7(3y + 2) = 8(3y  2) #?

Question #ed026

How do you solve using completing the square method #x^2 + 2x7=0#?

Question #edc86

In the synthesis of aspirin: Why the the reagents have to be dry?