Answers: 1
Chemistry, 22.06.2019 08:30
Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
Chemistry, 22.06.2019 19:30
How might this scientific phenomena be explained? a paper clip floats on water.
Answers: 1
A 90.00 g sample of Na₂CO₃*xH₂O is heated until all of the water is driven off, forming 32.28 g of t...
Mathematics, 19.11.2020 04:00
Mathematics, 19.11.2020 04:00
Chemistry, 19.11.2020 04:00
Mathematics, 19.11.2020 04:00
Computers and Technology, 19.11.2020 04:00
Social Studies, 19.11.2020 04:00
Mathematics, 19.11.2020 04:00
Mathematics, 19.11.2020 04:00
Chemistry, 19.11.2020 04:00
English, 19.11.2020 04:00
Mathematics, 19.11.2020 04:00