June 2022 Chemistry Regents #26-30
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Questions |
Answer | Links |
Explanations |
| 26 Which reaction occurs at the anode in an
electrochemical cell?
(1) saponification (2) oxidation (3) esterification (4) reduction |
2 | An OX
Anode..oxidation |
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| 27 Which statement describes the two types of
reactions that occur in operating electrochemical cells?
(1) Nonspontaneous reactions occur in voltaic cells, and spontaneous reactions occur in electrolytic cells. (2) Nonspontaneous reactions occur in electrolytic cells, and nonspontaneous reactions occur in voltaic cells. (3) Spontaneous reactions occur in voltaic cells, and nonspontaneous reactions occur in electrolytic cells. (4) Spontaneous reactions occur in electrolytic cells, and spontaneous reactions occur in voltaic cells. |
3 | Voltaic is a
battery...spontaneous
Electrolytic needs one...nonspontaneous |
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| 28 Which term describes an acid according to one
acid-base theory?
(1) H+ acceptor (2) H+ donor (3) H2 acceptor (4) H2 donor |
2 | acids donate H+ | |
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| 29 Which emission will be released from an unstable
Fe-53 nucleus?
(1) an alpha particle (2) a beta particle (3) a positron (4) a proton |
3 | Use table N....B+
Use table O...B+...is positron |
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| 30 What is a potential risk associated with
radioactive isotopes?
(1) biological exposure (2) curing of diseases (3) industrial measurements (4) tracing chemical processes |
1 | radiation is bad for people | |
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