Chemistry, 06.06.2020 23:00 lizbeth696
The chemical formula for emerald is Be3Al2(SiO3)6. An emerald can be described as
a pure substance because it is a compound.
a pure substance because it is an element.
an impure substance because it is chemically combined.
an impure substance because it is a mixture.
Answers: 3
Chemistry, 22.06.2019 08:00
What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m
Answers: 1
Chemistry, 22.06.2019 19:30
Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?
Answers: 2
Chemistry, 22.06.2019 21:00
Which of the following is a physical property flammability heat of combustion solubility and toxicity
Answers: 1
Chemistry, 22.06.2019 21:20
If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied
Answers: 1
The chemical formula for emerald is Be3Al2(SiO3)6. An emerald can be described as
a pure substance...
Mathematics, 11.10.2020 07:01
History, 11.10.2020 07:01
History, 11.10.2020 07:01
Chemistry, 11.10.2020 07:01
English, 11.10.2020 07:01
Chemistry, 11.10.2020 07:01
Mathematics, 11.10.2020 07:01
Mathematics, 11.10.2020 07:01
History, 11.10.2020 07:01
Social Studies, 11.10.2020 07:01
Mathematics, 11.10.2020 07:01
Physics, 11.10.2020 07:01
Mathematics, 11.10.2020 07:01
Mathematics, 11.10.2020 07:01
Mathematics, 11.10.2020 07:01
Law, 11.10.2020 07:01
Geography, 11.10.2020 07:01
Physics, 11.10.2020 07:01
Mathematics, 11.10.2020 07:01