Which of the following indicates an exothermic reaction?
O
A. A+B
heat
C +D<...
Chemistry, 06.05.2020 08:08 gracemerci1
Which of the following indicates an exothermic reaction?
O
A. A+B
heat
C +D
O
B. A + B + C + D + heat
O
c. A + B + heat → C + D + heat
O
D. A + B + heat → C+D
Answers: 2
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11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
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