What is the samples half-life

Assignment Help Physics

Reference no: EM13488436

A Geiger counter reading of a radioactive sample is initially 6920 counts per minute. The same sample gives a reading of 442 counts per minute 10.7 h later. What is the sample's half-life?

Reference no: EM13488436

Questions Cloud

Explain what is the value of kc for reaction at equilibrium : What is the value of Kc for the following reaction at equilibrium? CO2(g) +H2(g) CO(g) + H20(g) if [CO]=0.20M, [H20]=0.30M, [Co2]=0.30M. and [H2]=0.033M

How old is the bone : An ancient bone contains 47.5% as much 14~C~6 as a piece of living matter with an equal carbon content. How old is the bone

Determine the total heat flow into the gas : An ideal gas expands at a constant total pressure of 3.0 atm from 410mL to 790mL . Heat then flows out of the gas at constant volume, Calculate the total heat flow into the gas

Draw the full schematic for the voltic cell : sketch the full schematic for the voltic cell corresponding to the redox reaction shown below;Fe(s) +Cu^2+(aq)---->Cu(s)+Fe^2+(aq). write the shorthand notation for the voltic cell corresponding to the above redox reaction.

What is the samples half-life : A Geiger counter reading of a radioactive sample is initially 6920 counts per minute. What is the sample's half-life

Explain sulfuric acid is roughly an 18 molar solution : Concentrated sulfuric acid is roughly an 18 molar solution. To prepare 500 mLs of a 3 M solution, mLs of sulfuric acid should be.

Describe the lean production philosophy : Dr. Stephanie White, the Chief Administrator of Uptown Clinic, a community mental health agency, is concerned about the dilemma of coping with reduced budgets next year and into the foreseeable future but increasing demand for services.

Explain the reduction potential for the most active metal : KNO3 was used to construct a salt bridge to all the following solutions: ZnSO4, CuSO4, FeSO4, NI(NO3)2, KI/I2. we then used a multimeter to test voltaages, this is what we came up with for results: Cell Anode Cathod Voltage Assuming that the reduc..

What is the magnetic field produced by the loop wire : if the current through a loop radius 50 cm is 2A, what is the magnetic field produced by the loop wire

User Account

All Pages