The attractions that allow molecules of krypton to exist in the solid phase are due to:
1) io...
Chemistry, 28.08.2019 11:10 tddreviews
The attractions that allow molecules of krypton to exist in the solid phase are due to:
1) ionic bonds
2) covalent bonds
3) molecule-ion forces
4) van der waals forces
Answers: 2
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If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?
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Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
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