Define what is the half-life of isotope

Assignment Help Chemistry

Reference no: EM13241688

Americium-241 is used in smoke detectors. It has a rate constant for radioactive decay of k = 1.6x10-3yr-1. What is the half-life of this isotope in years? Give your answer to 3 significant figures.

Reference no: EM13241688

Questions Cloud

Find the protons speed when it reaches the negative plate : The electric field strength is 5*10^4 N/C inside a parallel-plate capacitor with a2.2mm spacing, What is the proton's speed when it reaches the negative plate

What is the cumulative interest paid in the first payments : Automobiles are typically financed for four years with monthly payments made to the lending agency. Assume you will need to borrow $18 000 with 48 monthly payments at 6.5% annual interest.

Find the p-value for a test of the schoo''s claim : A medical school claims that more than 28% of its students plan to go into general practice. It is found that among a random sample of 130 of the school's students

What does gdp measure : First, what does GDP measure? Even if we prefect the measure by correcting for price increase

Define what is the half-life of isotope : Americium-241 is used in smoke detectors. It has a rate constant for radioactive decay of k = 1.6x10-3yr-1. What is the half-life of this isotope in years? Give your answer to 3 significant figures.

Find the probability that x is less than 53.0 : I have two contingency tables. One has a chi-square value of 14.40 and the other is 27.86. Both have 6 degrees of freedom. Based on an alpha of .01 do you reject the null hypothesis?

Determine the energy contained in each cycle : The wave function for a wave on a taut string is given by y(x,t)=(0.350m) sin (10pi(t)-3pi(x)+pi/4), What is the energy contained in each cycle

Explain contains the enzyme catalase : The reaction H2O2 --> H2O + O2 could be catalyzed by either MnO2 or beef liver, which contains the enzyme catalase. In either case, the catalyst

What would be the efficient level of output in the long run : If this firm was under perfect competition, what would be the efficient level of output in the long run?

Reviews

Write a Review

Required(*) Message

Chemistry Questions & Answers

Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages