The temperature at 300 seconds (5 minutes) is the final temperature of both the metal and the water.
Record it to the nearest 0.1°C in the data table.
Initial temperature of metal =
Initial temperature of water = 0
Final temperature of both =
'c
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250 ml
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16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 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.