Answers: 2
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
Answers: 1
Chemistry, 22.06.2019 23:30
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
When 0.3 moles of acetylene is burned , total mole number of the products will be? a- 0.30 mol b-0.6...
History, 13.10.2019 07:30
World Languages, 13.10.2019 07:30
English, 13.10.2019 07:30
Biology, 13.10.2019 07:30
History, 13.10.2019 07:30
Biology, 13.10.2019 07:30
Mathematics, 13.10.2019 07:30
Physics, 13.10.2019 07:30