subject

Chemistry, 24.05.2021 21:00 maysahdabest

After 20 days, a 120 kg sample of Bi-209 decays down to 15 kg. What is its half-life?

ansver

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 19:00, hello4540

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Answers: 1

Chemistry, 22.06.2019 03:20, vkyles84

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Answers: 1

Chemistry, 22.06.2019 06:30, reecedstceklein

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

Answers: 1

Chemistry, 22.06.2019 12:10, purplefish53

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Answers: 3

You know the right answer?

After 20 days, a 120 kg sample of Bi-209 decays down to 15 kg. What is its half-life?...

Questions in other subjects:

Konu

Business, 24.07.2019 11:30

11) during the past few years, swanson company has retained, on the average, 70 percent of its earnings in the business. the future retention rate is expected to remain at 70 perce...

Konu

Chemistry, 24.07.2019 11:30

To avoid dehydration during or after a long distance athletic event many athletes suggest sponging down with isopropanol. why would this procedure avoid the loss of water?...

Konu

Chemistry, 24.07.2019 11:30

Since soap and detergent action is hindered by hard water, laundry formulations usually include water softeners—called builders—designed to remove hard water ions (especially ca2 +...

Konu

Computers and Technology, 24.07.2019 11:30

In order to improve loop performance, itï¿½s important to make sure the loop does not include unnecessary operations or statements.truefalse...

Konu

Mathematics, 24.07.2019 11:30

The whole batch cost $28,000 and contained 140 items. write the two rates (ratios) implied by this statement. what would be the price for 200 items? show work...

Konu

Business, 24.07.2019 11:30

Carl agrees to purchase anna's property, subject to a financing contingency. the contract gives carl 20 days to fulfill or remove the contingency. however, after 20 days he has pro...

Konu

Chemistry, 24.07.2019 11:30

Find a synchronous solution of the form upper a cosine upper omega tplusupper b sine upper omega t to the given forced oscillator equation using the method ofâ insertion, collectin...

Konu

Business, 24.07.2019 11:30

`the income statement for thomas manufacturing company for the current year is as follows: sales (10,000 units) $120,000variable expenses $72,000contribution margin $48,000fixed ex...

Konu

Mathematics, 24.07.2019 11:30

Simplify (2y^4)^3 im the form of k * y ^n...

Konu

Business, 24.07.2019 11:30

Soledad corporation had $36,000 of raw materials on hand on december 1. during the month, the corporation purchased an additional $71,000 of raw materials. the journal entry to rec...

More questions: Chemistry Another questions