Chemistry, 27.11.2021 01:30 whitethunder05
PLS HELP ASAP I BEG HEH...
The table shows the amount of radioactive element remaining in a sample over a period of time.
(photo of the table attached)
Part 1: What is the half-life of the element? Explain how you determined this.
Part 2: How long would it take 308 g of the sample to decay to 4.8125 grams? Show your work and explain your answer.
Answers: 3
Chemistry, 22.06.2019 01:30, montoyaricardo3550
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
Answers: 2
Chemistry, 22.06.2019 22:30, pookie879
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
PLS HELP ASAP I BEG HEH...
The table shows the amount of radioactive element remaining in a sample...
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