Determine the percentage abundance
Naturally occurring silver consist of only two isotopes. 107Ag (atomic mass=106.91amu, abundance=48.16%) and the 109 Ag. Determine the percentage abundance of 109 Ag and calculate its atomic mass?
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Suppose that a population is normally distributed with mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?
The molar mass of aluminum is 26.98 g· mol-, the molar heat capacity of aluminum is 12.5 J·K-1·mol-1, the molar mass of water is 18.01 g·mol-1 and the density of aluminum is 2.70g·cm-3.
What weight of A would be removed from a solution of 10g of an in 100mL of water by a single extraction with 100mL of ligroin? The distribution coefficient, k= concentration in ligroin / the concentration in water, among the ligroin and the water
She then creates the course correction, heading 8° to right of her original course, and flies 2 h in new direction. If she maintains the constant speed of 825 mi/h, how far is she from the starting position?
Resulting motion of weight is described by function y=(1/2)e^(-t/4)cos(4t), t > 0 where y is distance (in feet) and t is time (in seconds). Determine displacement when: a) t= 0 secs b) t= 3 secs.
Determine the mass of iron would be needed to cover a football playing surface of 120 y ds x 60. Yds to a depth of 1.0 mm when the iron has a density of 7.87 g/cm3.
How much more acidic is water with pH 8.1 compared to water atp H 8.2? Discuss why a change in pH of the ocean water is likely to affect the many biochemical reactions taking place in the ocean water?
Determine the probability of finding 14 or more requests for hard disk drives with low storage capacity if the VP's assertion is correct. Do you believe that the proportion of customers requesting hard drives with low storage capacity is smaller t
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Considerations for the behaviors chosen: Can have a plan written and implemented within the next 9 weeks Should be a specific behavior, not a large category
Explain the challenges of ethnocentrism in understanding cultural variability. Explain how cultural variability exists in whether thoughts are moralized.
In this written paragraph, use at least three (3) separate examples from the "Best Kindergarten You've Ever Seen," to describe why the environment created
The nurse is caring for a client in the home. The client is prescribed filgrastim. What would be included in the nurse's education plan?
For this activity, you will put together a PowerPoint presentation to teach your classmates the main points of your chosen topic and the related theories
Which of the following can cause pelvic inflammatory disease, characterized by fever and abdominal pain?
List two things that affect which cleaning, sanitizing and pest control equipment and materials are used as part of the food safety program.