Which is the first step in the dissolving process?
A- the solute becomes like the solvent
B-...
Chemistry, 23.11.2020 21:10 Supermate11
Which is the first step in the dissolving process?
A- the solute becomes like the solvent
B- The solute molecules are carried into the solution
C- The solvent molecules surround the solute particles
D- The solvent molecules are attracted to particles at the surface of the solute
Answers: 1
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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.
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