Explain what fraction of the strontium-90 produced

Reference no: EM13492453

The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What fraction of the strontium-90 (t1/2 = 28.8 yr) originally produced by that explosion still remained as of July 16, 1993? Answer in %

Reference no: EM13492453

Questions Cloud

Explain the formation of iron(iii) oxalate complex ion : Kc is 1.67x10^20 at 25*c for the formation of iron(III) oxalate complex ion: Fe^3+(aq)=3C2O4^2-(aq) >>>[Fe(C2O4)3]^3-(aq) If 0.0200 M Fe3+ is initially mixed with 1.00 M oxalate ion, what is the concentration of Fe3+ ion at equilibrium? Please sho..

Explain a component of fluorescent watch dials : During World War II, tritium (3H) was a component of fluorescent watch dials and hands. Assume you have such a watch that was made in January 1944. If 16% or more of the original tritium was needed to read the dial in dark places,

Explain tritium was needed to read the dial in dark : During World War II, tritium (3H) was a component of fluorescent watch dials and hands. Assume you have such a watch that was made in January 1944. If 16% or more of the original tritium was needed to read the dial in dark places, until what year ..

Define radioactive nuclide in biochemical research : Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in studies of nucleic acids. The half-life of phosphorus-32 is 14.3 days. What mass of phosphorus-32 is left from an original sample of 195 mg of Na332PO4 a..

Explain what fraction of the strontium-90 produced : The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What fraction of the strontium-90 (t1/2 = 28.8 yr) originally produced by that explosion still remained as of July 16, 1993?

Explain the radiation released by the element ionizes : Americium-241 is widely used in smoke detectors. The radiation released by this element ionizes particles that are then detected by a charged-particle collector. The half-life of 241Am is 432.2 years, and it decays by emitting alpha particles

Evaluate the binding energy per nucleon for 21h : Calculate the binding energy per nucleon for 21H and 31H. The atomic masses are 21H, 2.01410 amu, and 31H, 3.01605 amu.

Explain which of the following processes are spontaneous : Which of the following processes are spontaneous. (You may select more than one answer.) a. melting of ice at -10°C and 1 atm pressure b. evaporation of water at 30°C when the relative humidity is less than 100 percent c. water + NaCl(s) salt solu..

Explain gas container that increased in temperature : What is the final volume of a 500.0 mL gas container that increased in temperature from 299 K to 333 K while the pressure increased from 1.00 atm to 1.54 atm

User Account

All Pages