What is the half-life of the material

Reference no: EM13320036

In 2.8 days the number of radioactive nuclei decreases to one-eighth the number present initially. What is the half-life (in days) of the material?

Reference no: EM13320036

Questions Cloud

What is the average induced emf in the loop : Consider a rectangular loop of wire 6.8cm by 7.8cm in a uniform magnetic field of magnitude 1.4T. What is the average induced emf in the loop

Determine what is the discharge of each hole : a water of 20 c temprature pupped at 75 kpa to a perforated pipe 5 cm dia. contain 10 hole with the same diameter. the distance between two adjacent hole is 20 cm. what is the discharge of each hole

Determine elevation of point b from the elevation of a point : To determine the elevation of a point B from the elevation of a point A, which is 511.6 ft. When the transit was set up over the point A, the height of the transverse axis above that point was 4.92 ft.

Find ratio of velocities : Threshold freq. of metal isf0. When the light of freq. 2f0 is incident on the metal max velocity of electrons is v1 and v2

What is the half-life of the material : In 2.8 days the number of radioactive nuclei decreases to one-eighth the number present initially

How to calculate the value of the ksp : A saturated solution of magnesium hydroxide in equilibrium with undissolved solid is prepared at 25C. The pH of the solution is 11.03. Calculate the value of the Ksp

What are the successful-effort and full-costing methods : What are the successful-effort and full-costing methods? What are the effects on balance sheet and income statement?

Explain what is the ph of the solution of naoh : A 30.0 mL sample of 0.30M HClO (aq) is titrated with 0.20 M NaOH (aq). Ka of HClO is 3.5*10^-8. What is the pH of the solution when 5.0 ml more of NaOH is added in the titration.

Find principle stresses and max shearing stresses in beam : A circular beam length 36 inches and diameter 1 inch is supported on the left end by a pin joint and the right end with a roller. The beam is under axial tension with forces of 1000 lbs out of each end.

User Account

All Pages