Which is an example of a physical change?
a) metal tarnishing
b) nail rusting
c) format...
Chemistry, 04.03.2021 20:10 lizzyhearts
Which is an example of a physical change?
a) metal tarnishing
b) nail rusting
c) formation of precipitate
d) dissolving sugar in water
Answers: 1
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
Answers: 2
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