Explain a uranium mineral from a rock

Assignment Help Chemistry
Reference no: EM13241433

What would the atom ratio of 206-Pb to238-U be in a uranium mineral from a rock that is 1.0× 10^9 years old? t1/2(238-U)= 4.5 × 10^9 yr.

Reference no: EM13241433

Questions Cloud

What is the standard error of the estimate : What is the 95% Confidence Interval for the true population slope between Wins and Saves and what is the standard error of the estimate and what are its units?
Explain the equation is balanced : When the following equation is balanced, H2S + Fe(OH)3 ----> Fe2S3 + H2O the coefficient of H2S is
Find the direction of a passengers acceleration : A Ferris wheel with a radius of 7.7 m rotates at a constant rate, completing one revolution every 37 s, Find the direction and magnitude of a passenger's acceleration when at the bottom of the Ferris wheel
Compute the ph of a solution that is composed : The Ka of acetic acid is 1.8 x 10^-5. Calculate the pH of a solution that is composed of 1.0 M CH3CO2H and 0.50 M NaCH3CO2. Can someone please help
Explain a uranium mineral from a rock : What would the atom ratio of 206-Pb to238-U be in a uranium mineral from a rock that is 1.0× 10^9 years old? t1/2(238-U)= 4.5 × 10^9 yr.
Assume that a 95% confidence interval estimate : Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000.
Design an application that gets customer account data : Modify the No Interest Credit Company application so it executes continuously for any number of customers until a sentinel value is supplied for the account number.
Volunteers at a teenage distress center have been assigned : Volunteers at a teenage distress center have been assigned based on their skills and expertise. It's assumed that 40% are drug related, 25% sex related, 25% stress, and 10% education. For the study sample of 120 calls per month were categoruzed as fo..
What are the key terms in a verbal hypothesis that signify : What are the key terms in a verbal hypothesis that signify whether you are conducting a one-tailed or two-test? Give an example and explain your answer.

Reviews

Write a Review

Chemistry Questions & Answers

  Define methyl-propane as the major product

The reaction of 2,2-dimethyl-1-propanol with HBr is very slow and gives 2-bromo-2-methyl-propane as the major product

  What is the ph of the solution

A 35.0-mL sample of 0.20 M LiOH is titrated with 0.25 M HCl. What is the pH of the  solution after 23.0 mL of HCl have been added to the base?

  Explain what is the exponent of n2o in the reaction

When the following equation is balanced using the smallest possible integers, what is the exponent of N2O in the reaction quotient expression?

  State expand at constant temperature until its pressure

Pressure of 0.923 atm is allowed to expand at constant temperature until its pressure reaches 0.377 atm. What is its final volume?

  Explain a brick consisting of pure metal measures

A brick consisting of pure metal measures 4.00 inches x 5.00 inches x 3.00 inches and weighs 7.020 kg. Using density, identify the metal in the brick.

  Determine the total pressure become

A container (8.65-L ) holds two gases mixture at 31 °C. The partial pressures of gas X and gas Y, respectively, are 0.206 atm and 0.867 atm. If 0.200 mol a third gas is added with no change in temperature or volume determine the total pressure be..

  How many moles of cf4 can be produced

How many moles of CF4 can be produced when 5.00 mol C react with 12.00 mol F2.

  Explain in detail heat transfer with the surroundings

A rigid vessel contains 10 kg of steam. the steam is initially at 10 bar and 300 C. After a period of time the pressure in the vessel is reduced to 1 bar due to heat transfer with the surroundings.

  What mass of water (in grams)is contained

An aqueous solution contains 12.7% NaCl by mass. What mass of water (in grams)is contained in 2.5L of the vapor above this solution at 55 celcius? the vaor pressure of pure water at 55 celcius is 118 torr.

  The net ionic equation for rubidium carbonate reaction

Write the net ionic equation for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.)

  Describe splitting pattern and the ratio

Carbon NMR has only the following peaks: 29.8, 36.1 and 206.8 ppm. Propose a structure of this compound and explain splitting pattern and the ratio

  Define what concentration of the salt

What concentration of the salt NaC2H3O2 must be added to shift the equilibrium toward the reactants so that the [H3O+] concentration is reduced to pH = 5.5

Free Assignment Quote

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd