Find average molar mass of sample having two stable isotopes
Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 41% of the lighter isotope (with the balance being 7Li), calculate the average molar mass of the sample.
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The following information was available for Pete Company at December 31, 2014: beginning inventory $90,000; ending inventory $70,000; cost of goods sold $984,000; and sales $1,350,000. Pete's inventory turnover ratio in 2014 was?
An end of the month (1/31/14) inventory showed that 160 units were on hand. If the company uses LIFO, what is the value of the ending inventory?
Using concepts of molecular velocity and collisions of molecules, explain the relationship between pressure & volume and pressure & moles.
Dec 13 Accepted a 16,000, 45 day, 8% note December 13 in granting Miranda Lee a time extension on her past dut account receivable. Dec 31 Prepared an adjusting entry to record the accrued interest on the Lee note.
There are two methods used to account for lump sum sales: the proportional method and the incremental method. Please discuss each one. Which method is better? Why?
Ultrasonic acoustic waves are diffracted by a pair of parallel slits 100mm apart. The zeros in the diffraction pattern are spaced at angular intervals of 8.3 degrees. Calculate the wavelength.
How do you calculate FUTA tax? What is the wage base limit? Does the employee or employer pay it? Please use an example in your explanation.
Question: A system consisting entirely of electrons and alpha particles has a net charge of 1.84*10^-15C and a net mass of 4.56*10^-23 kg. How many electrons and alpha particles are in this system?
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