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Answers: 3
Physics, 21.06.2019 21:40
Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.
Answers: 1
Physics, 22.06.2019 06:30
From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.
Answers: 1
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excitedโstate hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
Physics, 22.06.2019 14:00
If element x has 99 protons how many electrons does it have
Answers: 1
Biology, 07.07.2019 09:30
Mathematics, 07.07.2019 09:30
Mathematics, 07.07.2019 09:30
Biology, 07.07.2019 09:30
Mathematics, 07.07.2019 09:30
Mathematics, 07.07.2019 09:30
Mathematics, 07.07.2019 09:30
Mathematics, 07.07.2019 09:30