Answers: 3
Chemistry, 21.06.2019 23:30, mastershadow2018
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
Chemistry, 22.06.2019 13:00, aleilyg2005
If two objects at different te, peraure are in contact with each other what happens to their temperature
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Chemistry, 23.06.2019 04:31, saladdressing1425
Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are
Answers: 1
Wow love the grammar sygdt
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