Is explosion of nitroglycerin a chemical or physical change

It's a chemical change beacause elements are combining to make something new! :)

Ok
Nitroglycerin is a Compound. If you explode nitroglycerin would produce C02 and H20. That would be a looottt of energy so it would be a chemical change.

H0P3 It H3LPS :)

Adozen is 12, and your needing to calculate the weight of one medium egg, so i would do 21/12=1.75 per egg, and check your answer by doing 1.75 * 12= 21 : ) : ): ): ): ) i hoped i