How much cesium (half-life = 2 years) would remain from a 10 g sample after 4 years?A.0 gB.8 gC.21221 gD.5 gSUBMITarrow_backPREVIOUS
Question
Solution 1
The half-life of a substance is the time it takes for half of it to decay. In this case, cesium has a half-life of 2 years.
Step 1: After 2 years (one half-life), half of the 10g sample would remain. So, 10g / 2 = 5g.
Step 2: After another 2 years (another half-life), half of the remaining 5g wou Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI
Similar Questions
What is the mass of 8 moles of sodium (Na) atoms?The Periodic TableA.183.9 gB.1.11 × 1026 gC.4.82 × 1024 gD.22.99 gSUBMITarrow_backPREVIOUS
What is the mass of 2.25 moles of manganese(IV) sulfide (MnS2)?The Periodic TableA.2.25 gB.1.35 × 1024 gC.3.63 × 1026 gD.268 g
What is the half-life of a 12 g sample of radioisotope that decayed to 6 g in 28 years?A.7 yearsB.28 yearsC.56 yearsD.14 years
What is the half-life of a radioisotope if a 40 g sample becomes 10 g after 20 minutes?A.10 minutesB.50 minutesC.20 minutesD.5 minutesSUBMITarrow_backPREVIOUS
Radioactivity of a sample decreases 90% after 10 years. What is the half-life of the sample?Note: Radioactivity follows first order kinetics.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.