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How much cu half life about 12 hours would remain from a 2 mg sample after 12 hours?
1 mg
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How much Cu -64 would remain from 2mg sample after 12 hours?
Copper-64 (Cu-64) has a half-life of approximately 12.7 hours. After one half-life (12.7 hours), half of the original sample would remain. Therefore, from a 2 mg sample, after 12 hours, approximately 1 mg of Cu-64 would remain, as it has not yet fully completed one full half-life.
How much Cu-61 half-life about 3 hours would remain from a 2 mg sample after 9 hours?
0.25
How much Cu-64 half life about 12 hours would remain from a 2 mg sample after 12 hours?
1 mg
How much Cu-61 half-life about 3 hours would remain from a 2mg sample after 9 hours?
1/8th of a mg. You lose half every three hours.
Molybdenum-99 has a half-life of 66 hours. After 132 hours how much of an initial sample of 10 ci of Mo-99 would remain?
2.5
Molybdenum-99 has half a half-life of 66 hours. after 132 hours how much of an initial sample of 10 ci of mo-99 would remain?
After 132 hours, 1/4 of the initial sample of 10 Ci of Mo-99 would remain. Since the half-life is 66 hours, after 66 hours half of the sample would remain (5 Ci), and after another 66 hours (totaling 132 hours), half of that remaining amount would be left.
How much Cu -64 would remain from 2mg sample after 12 hours?
Copper-64 (Cu-64) has a half-life of approximately 12.7 hours. After one half-life (12.7 hours), half of the original sample would remain. Therefore, from a 2 mg sample, after 12 hours, approximately 1 mg of Cu-64 would remain, as it has not yet fully completed one full half-life.
How much Cu-64 half-life about 12 hours would remain from a 2 mg sample after 12 hours?
1 mg
How much Cu-61 half-life about 3 hours would remain from a 2 mg sample after 9 hours?
0.25
How much cu-61(half-life about 3 hours) would remain from a 2 mg sample after 6 hours?
0.25 mg
How much Cu-64 (half-life about 12 hours) would remain from a 2 mg sample after 12 hours?
1 mg
How much Cu-61 (half-life about 3 hours) would remain from a 2 mg sample after 9 hours?
.25 mg
How much Cu-64 half life about 12 hours would remain from a 2 mg sample after 12 hours?
1 mg
How much Cu-61 half-life about 3 hours would remain from a 2mg sample after 9 hours?
1/8th of a mg. You lose half every three hours.
Molybdenum-99 has a half-life of 66 hours. After 132 hours how much of an initial sample of 10 ci of Mo-99 would remain?
2.5
Molybdenum-99 has a half-life of 66 hours. After132 hours how much on initial sample of 10 Ci of Mo-99 would remain?
To determine the remaining amount of Molybdenum-99 after 132 hours, we can use the half-life formula. Since the half-life is 66 hours, after 132 hours (which is two half-lives), the initial sample of 10 Ci will be reduced by half twice. Thus, after the first half-life, 5 Ci remains, and after the second half-life, 2.5 Ci will remain.
How many undecayed headsium nuclei would remain in a sample of 600 nuclei after three half-lives?
After each half-life, the number of undecayed nuclei is halved. Starting with 600 nuclei, after one half-life, 300 would remain; after the second half-life, 150 would remain; and after the third half-life, 75 would remain. Thus, after three half-lives, 75 undecayed headsium nuclei would remain in the sample.
