Chemistry, 18.08.2019 05:20 ladyree8721
C. a radioisotope lab created a new radioactive isotope. in order to determine the half-life of the new isotope, workers measured its mass over time and plotted their data on the curve below. use the decay curve to answer the following questions. (8 points) i. what was the half-life of the new isotope
Answers: 2
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 3
Chemistry, 21.06.2019 20:10
Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.
Answers: 1
Chemistry, 22.06.2019 00:30
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
Answers: 2
C. a radioisotope lab created a new radioactive isotope. in order to determine the half-life of the...
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