Chemistry, 16.07.2020 20:01 michellemitchel
Zoe is investigating the composition of substance A, an unknown substance. Using chemical processes, she analyzes substance A and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1.
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Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted
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What are the first three quantum numbers for the electrons located in subshell 2s?
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An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
Zoe is investigating the composition of substance A, an unknown substance. Using chemical processes,...
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