subject
Chemistry, 03.01.2020 01:31 Fortnitenerd2238

Phosphorus-32 has a half-life of 14.0 days. starting with 8.00 g of 32p, how many grams will remain after 112 days ?

a brain scan uses the radioisotope oxygen-15. the recommended dosage is 60 mci . a supply of 220 mci in 40 ml arrives at the lab. how many ml will be injected into a patient?
express your answer to one significant figure and include the appropriate units.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 23:50
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
Answers: 1
question
Chemistry, 22.06.2019 17:50
You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?
Answers: 2
question
Chemistry, 22.06.2019 20:00
In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:
Answers: 3
question
Chemistry, 22.06.2019 21:30
If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?
Answers: 1
You know the right answer?
Phosphorus-32 has a half-life of 14.0 days. starting with 8.00 g of 32p, how many grams will remain...
Questions
question
Mathematics, 13.11.2020 14:00
question
Mathematics, 13.11.2020 14:00
question
English, 13.11.2020 14:00
question
Computers and Technology, 13.11.2020 14:00
question
Mathematics, 13.11.2020 14:00
question
Mathematics, 13.11.2020 14:00
Questions on the website: 13722367