Chemistry, 12.11.2020 17:00, keilyjaramillo2870
A teacher holds a strip of gray magnesium metal
in a flame. In the flame, the metal strip reacts
with colorless oxygen gas in the air to form a
white, solid powder. Which statement correctly
describes the change?
A) Oxygen and magnesium form a mixture with
the same properties as the original materials
B) Oxygen and magnesium form a solution with
different properties from the original materials
C) Oxygen and magnesium form a compound
with the same properties as the original materials.
D) Oxygen and magnesium form a new substance
with different properties from the originals.
Answers: 3
Chemistry, 22.06.2019 22:30, jkjjoijjm5928
Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
Answers: 3
Chemistry, 23.06.2019 06:00, girlwonder326
+= + + balance the equation on coefficients, ex. 1,1,1
Answers: 2
A teacher holds a strip of gray magnesium metal
in a flame. In the flame, the metal strip reacts
Mathematics, 16.07.2020 20:01
Mathematics, 16.07.2020 20:01
Chemistry, 16.07.2020 20:01