Chemistry, 15.01.2021 06:20 Lacrosse34
Plz help! The table shows the amount of radioactive element remaining in a sample over a period of time.
Radioactive Decay Rate
Amount of Radioactive Sample
(grams) Time
(hours)
186.0 0
147.0 7
117.0 14
93.0 21
23.3 63
Part 1: What is the half-life of the element? Explain how you determined this.
Part 2: How long would it take 320 g of the sample to decay to 2.5 grams? Show your work or explain your answer.
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 14:00
How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene
Answers: 2
Chemistry, 22.06.2019 15:00
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
Answers: 1
Chemistry, 22.06.2019 22:00
Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a.oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.
Answers: 3
Chemistry, 22.06.2019 23:30
Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f
Answers: 2
You know the right answer?
Plz help! The table shows the amount of radioactive element remaining in a sample over a period of t...
Questions
Mathematics, 23.11.2019 08:31
Mathematics, 23.11.2019 08:31
Health, 23.11.2019 08:31
Biology, 23.11.2019 08:31
Social Studies, 23.11.2019 08:31
Mathematics, 23.11.2019 08:31
Mathematics, 23.11.2019 08:31
English, 23.11.2019 08:31
Biology, 23.11.2019 08:31
Computers and Technology, 23.11.2019 08:31
English, 23.11.2019 08:31
Mathematics, 23.11.2019 08:31
Mathematics, 23.11.2019 08:31
Mathematics, 23.11.2019 08:31
