subject
Chemistry, 22.06.2019 08:30 microwave13016

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

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 17:30
This is a mixture that has the same composition throughout.
Answers: 1
question
Chemistry, 22.06.2019 03:00
What overall charge must all compounds have
Answers: 3
question
Chemistry, 22.06.2019 04:30
How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.
Answers: 1
question
Chemistry, 22.06.2019 08:00
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
You know the right answer?
Agroup of students is studying convection current. they fill two identical balloons with the same am...
Questions
question
Mathematics, 01.04.2021 19:30
question
Mathematics, 01.04.2021 19:30
question
Mathematics, 01.04.2021 19:30
question
Chemistry, 01.04.2021 19:30
question
Social Studies, 01.04.2021 19:30
question
Mathematics, 01.04.2021 19:30