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, 23.06.2019 00:30
What is bromine+calcium iodide--> calcium bromide +iodine balanced
Answers: 1
Chemistry, 23.06.2019 10:00
1.9 mol hcl and 3.9 mol naoh react according to the equation hcl + naoh −→ nacl + h2o . if the limiting reactant is hcl, calculate the amount of nacl formed.
Answers: 1
Chemistry, 23.06.2019 15:00
20 look at the clock and the data table below. based on the data and on your knowledge of potential and kinetic energy, what is the best conclusion you can make about potential and kinetic energy? the total amount of energy stays the same. the clock has the most potential energy at point b since it is moving the fastest. there is always more potential energy than kinetic energy. potential energy can never be 0, but you can have 0 kinetic energy.
Answers: 1
A teacher holds a strip of gray magnesium metal
in a flame. In the flame, the metal strip reacts
Social Studies, 12.04.2021 21:20
Social Studies, 12.04.2021 21:20
Health, 12.04.2021 21:20
English, 12.04.2021 21:20
Mathematics, 12.04.2021 21:20
Business, 12.04.2021 21:20