Ask a New Question
Search
Questions and answers by
Aboi
Questions (11)
A newly prepared radioisotope has activity 3.7x10^11 Bq. After 4 hours, its activity is reduced to 2.96x10^11.calculate
a) decay
0 answers
430 views
A radioactive element x has half life of 30 days and will decay to become another new element Y..
a) calculate decay constant b)
1 answer
708 views
How to sketch ven diagram with 3 events
1 answer
477 views
A newly prepared radioisotope has activity 3.7x10^11 Bq. After 4 hours, its activity is reduced to 2.96x10^11.calculate
a) decay
0 answers
413 views
A radioactive element x has half life of 30 days and will decay to become another new element Y..
a) calculate decay constant b)
0 answers
537 views
A newly prepared radioisotope has activity 3.7x10^11 Bq. After 4 hours, its activity is reduced to 2.96x10^11.calculate
a) decay
0 answers
421 views
A radioactive element x has half life of 30 days and will decay to become another new element Y..
a) calculate decay constant b)
2 answers
679 views
Calculate the total mass of 1.6x10^11 atoms of Na-22 isotope (given 1 mol of Na-22=22g)
1 answer
558 views
What is product form when 2-bromobutane reacts with potassium cyanide in ethanol?
0 answers
584 views
A compound D, CH3CHCLCH2CH3 was boiled under reflux for some time with dilute NaOH solution.. Dilute nitric acid was then added
0 answers
696 views
Outline the prepartion of 2-chlorobutane from an alcohol?
0 answers
511 views
