Two students conducted four different experiments.
The table below describes some changes that occurred to the different substances.
Changes to the Substances
Substance Description Action Taken
Results Observed
w
х
Brought to boil,
Poured into beaker,
Clear liquid
slowly disappears from the
put on hot plate, heated
beaker
Solid white placed in beaker of warm Slowly disappears within the
cube
water, stirred
water
White Put into beaker with clear Bubbles produced,
powder
liquid
drop in temperature
Clear liquid
Solid white substance
Drops placed in a beaker
in
appears at the bottom of the
with a different clear liquid
eyedropper
beaker
Y
N
Which experiment(s) most likely resulted in a chemical reaction?
F. W only
G. Z only
Answers: 1
Chemistry, 22.06.2019 20:50
What is the vapor pressure of a solution with a benzene to octane?
Answers: 2
Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
Answers: 2
Chemistry, 23.06.2019 11:30
The density of e85 fuel is 0.801 g/ml. what is the mass of 1.00 gallon of the fuel? (1 gal. = 3.785 l)
Answers: 3
Two students conducted four different experiments.
The table below describes some changes that occu...
Chemistry, 30.03.2020 22:11
Mathematics, 30.03.2020 22:11
Mathematics, 30.03.2020 22:11
Biology, 30.03.2020 22:11
Mathematics, 30.03.2020 22:11
Mathematics, 30.03.2020 22:11
History, 30.03.2020 22:11