Chemistry, 27.06.2021 19:50 lizzyhearts
How many atoms of Fe does the notation 9 Fe(HOOCCH2COO)3 indicate?
How many atoms of C does the notation 9 Fe(HOOCCH2COO)3 indicate?
How many atoms of H does the notation 9 Fe(HOOCCH2COO)3 indicate?
How many atoms of O does the notation 9 Fe(HOOCCH2COO)3 indicate?
Answers: 2
Chemistry, 21.06.2019 23:30
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 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
Answers: 2
Chemistry, 22.06.2019 15:00
Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude
Answers: 2
Chemistry, 23.06.2019 01:00
Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
Answers: 3
How many atoms of Fe does the notation 9 Fe(HOOCCH2COO)3 indicate?
How many atoms of C does the not...
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