Chemistry, 08.02.2021 23:30 JellalFernandes
1. Write the chemical symbols for the element/polyatomic ions present. (Should only be 2 of them)
2. Look up their charges: in order to correctly write the symbols, each ion’s total charge must be EQUAL and OPPOSITE to each other!
Example: Lithium Oxide
Lithium is Li+1, Oxide is O-2: In order to for their charges to be equal, you must have 2 Lithiums for each Oxide present! Therefore, Li2O
Answers: 2
Chemistry, 21.06.2019 22:30
Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l
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Chemistry, 22.06.2019 15:00
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
Chemistry, 22.06.2019 23:30
Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+
Answers: 3
1. Write the chemical symbols for the element/polyatomic ions present. (Should only be 2 of them)
2...
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