State what is the half life of the compound

Reference no: EM13645990

If you have a sample of a radioactive substance, and you measure 25mCi of activity on the day it arrives. It sits around for 11,460 years, and you remeasure the activity it is only 6.25mCi. What is the half life of the compound?

Reference no: EM13645990

Questions Cloud

Find the coefficient of kinetic friction for mass on surface : When mass M is at the position shown, it is sliding down theinclined part of a slide at a speed of 1.89 m/s. find the coefficient of kinetic friction for the mass on the surface

The general test for type 2 diabetes is that the blood sugar : The general test for Type 2 diabetes is that the blood sugar (glucose, C6H12O6) level should be below 120 mg per deciliter. Convert this concentration to molarity

Debate between the personalistic and naturalistic positions : You will focus on the debate between the personalistic and naturalistic positions in scientific history, and how the concept of zeitgeist relates to each of these concepts.

Calculate the kinetic energy that the earth : Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that theearth is a uniform sphere and that its path around the sun is circular.

State what is the half life of the compound : If you have a sample of a radioactive substance, and you measure 25mCi of activity on the day it arrives. It sits around for 11,460 years, and you remeasure the activity it is only 6.25mCi. What is the half life of the compound

Estimate what is the force constant of the spring : A 1.75 kg block slides on a rough, horizontal surface. The blockhits a spring with a speed of 1.86 m/s and compresses it a distanceof 12.1 cm before coming to rest. what is the force constant of the spring

Compute the number of grains of aspirin in the tablet : Determine its composition, an aspirin tablet was crushed and dissolved in water. It took 12.25 mL of 0.1466 M NaOH to neutralize the solution. Calculate the number of grains of aspirin in the tablet (one grain = 0.0648 g).

Evaluate the mass of the precipitate formed ba(oh)2 : Calculate the mass of the precipitate formed when 2.27 L of 0.0820 M Ba(OH)2 is mixed with 3.06 L of 0.0664 M Na2SO4.

How to evaluate the molar mass of the acid : A 3.664-g sample of a monoprotic acid was dissolved in water. It took 20.27 mL of a 0.1578 M NaOH solution to neutralize the acid. Calculate the molar mass of the acid.

User Account

All Pages