Question 9 (1 point
(06.02 MC)
A student has a petri dish with a layer of marbles rolling aro...
Chemistry, 28.10.2020 04:30, princessammarah4731
Question 9 (1 point
(06.02 MC)
A student has a petri dish with a layer of marbles rolling around in it. Which of the following activities should the student perform
demonstrate phase transition from a liquid to gas? (1 point)
Stacking a layer of marbles on top of the existing layer and slowly jiggling them to represent removal of energy
Stacking a layer of marbles on top of the existing layer and slowly jiggling them to represent addition of energy
Removing all but two marbles from the petri dish and shaking them vigorously to represent removal of energy
Removing all but two marbles from the petri dish and shaking them vigorously to represent addition of energy
Answers: 2
Chemistry, 22.06.2019 04:00, queenkimm26
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
English, 10.09.2019 21:30
Chemistry, 10.09.2019 21:30