Jeannie dropped a solid object into a beaker of water and observed it for five minutes. based on her observations, she determined that only a physical change occurred.
which of the following observations would indicate that only a physical change occurred after she added the object?
a.
the object broke apart and seemed to disappear when dropped into the glass of water.
b.
the object sank to the bottom when dropped into the glass of water.
c.
bubbles formed around the object as it sank to the bottom of the water and did not resurface.
d.
the object floated on the top of the water when when dropped into the glass.
Answers: 3
Chemistry, 21.06.2019 22:20, aidengalvin20
One or more substances changing into one or more substances is an example of a
Answers: 1
Chemistry, 21.06.2019 23:00, fastpitchhailey1354
An electrons position cannot be known precisely only it's probability of being in a certain location can be known
Answers: 1
Chemistry, 22.06.2019 06:40, alyons60
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
Jeannie dropped a solid object into a beaker of water and observed it for five minutes. based on her...
History, 07.12.2019 21:31
English, 07.12.2019 21:31
History, 07.12.2019 21:31
Social Studies, 07.12.2019 21:31