maddied2086 maddied2086

19-12-2022
Chemistry

Answered

Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is F -Po e-0.0244t, How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.

Answer :

Other Questions

The reaction of methane(g) with water(g) to form hydrogen(g) and carbon monoxide(g) proceeds as follows: CH4(g) + H2O(g) 3 H2(g) + CO(g) When 5.77 grams of CH4(

regarding global warming, most scientists (including those who have advised the united nations through the intergovernmental panel on climate change) agree that

the rate of the reaction 2hgcl2 c2o4^-2 -> 2cl 2co2 hg2cl2 is followed by measuring the number of moles of hg2cl2 that precipitate per liter per second. the

calculate the molarity of each of the following solutions. part 1 of 3 (a) of ethanol in of solution. be sure your answer has the correct number of significant

after 11,200 years, approximately carbon-14 would remain in a sample of wood. question 4 options: 75% 50% 25% 12.5%

according to the pharmaceutical advertising guidelines, ads for medications should include: group of answer choices a statement encouraging consumers to ask for

Dianabol is one of the anabolic steroids composed of only C, H; and 0 that has been used by some athletes to increase the size and strength of their muscles_ A

the vapor pressure of a sample of liquid is measured at several temperatures, and ln(p) vs. 1/t are plotted below. the equation of the line is

the synthesis of ch3oh(g) from co(g) and h2(g) is represented by the equation above. the value of kc for the reaction at 483 k is 14.5. a 1.0 mol sample of co(g

a container with 2.5 mol of oxygen gas at 300 k is placed on a large stone slab with a temperature of 600 k. the stone slab is so large that its temperature doe