Which of the following elements has the lowest first ionization energy?
(Sc)
(Sr)
(P)...
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Chemistry, 22.06.2019 10:00
Why is the structure of molecule important to its function?
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Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Chemistry, 22.06.2019 13:00
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 โ 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
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Chemistry, 22.06.2019 21:50
Answer the questions about this reaction: nai(aq) + cl2(g) โ nacl(aq) + i2(g) write the oxidation and reduction half-reactions: oxidation half-reaction: reduction half-reaction: based on the table of relative strengths of oxidizing and reducing agents (b-18), would these reactants form these products? write the balanced equation: answer options: a. 0/na -> +1/na+1e- b. nai(aq) + cl2(g) โ nacl(aq) + i2(g) c. +1/na+1e- -> 0 /na d. -1/2i -> 0/i2+2e- e. no f. 4nai(aq) + cl2(g) โ 4nacl(aq) + i2(g) g. 2nai(aq) + cl2(g) โ 2nacl(aq) + i2(g) h. 4nai(aq) + 2cl2(g) โ 4nacl(aq) + 2i2(g) i. nai(aq) + cl2(g) โ nacl(aq) + i2(g) j. 0/cl2+2e -> -1/2cl- k. yes
Answers: 1
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