Calculate the percent relative abundance of two isotopes
The element indium exists naturally as two isotopes.113In has a mass of 112.9043 amu, and 115In has a mass of 114.9041 amu. The average atomic mass of indiumis 114.82 amu. Calculate the percent relative abundance of two isotopes of indium.
Expected delivery within 24 Hours
The objects volume is determined by displacement of water in a 100mL measuring cylinder (±5%): the volume reading before the object is immersed is 52.4mL, and after immersion the reading is 85.7mL.
An air-track glider attached to a spring oscillates with a period of 1.50 s. At t=0 s the glider is 5.50 cm left of the equilibrium position and moving to the right at 39.9 cm/s.
Ammonium chloride , NH4, is a very soluble salt . 300g of ammonium chloride is dissolved in 600 ml of what . What is the molar concentration of the solution?
Consider a sequence of independent Bernoulli trials with p=0.34. What is the expected number of trials to obtain the first success?
In a clinical study, volunteers are tested for a gene that has been found to increase the risk for a disease. The probability that a person carries the gene is 0.1.
A 1.0 dm^3 glass bulb contains 1.0 x 10^23 H2 molecules. If the pressure exerted by the gas is 100 kPa, what are (a) the temperature of the gas, (b) the root mean square speeds of the molecules?
In a Young's double slit experiment, a 5th order maximum occurs at an angle of 1.422 degree. If the screen is 3.9m from the slit and the slit separation is 0.135mm, what weavlength being used?
How many collisions does a single Ar atom make in 1.0 s when the temperature is 25 degrees Celcius and the pressure is (a) 10 atm, (b) 1.0 atm, (c) 1.0 μatm?
1946169
Questions Asked
3,689
Active Tutors
1430296
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Select a risk or protective factor and conduct a search for recent articles/books related to the factor. Generate a bibliography of no less than 20 works.
Measures of association is used in analytical epidemiology to identify the connection of being exposure and disease outcome.
You learned the definition of the American Dream in Week 1, and you also learned about the American identity. Traits often associated with the American identity
Analyze the concept of "Border Syndrome" in A Short Border Handbook as a literary metaphor rooted in individual experiences but also in historical and political
Creative writing in response to literature is a way for students to respond to literature in a personal way. Creative writing provides a way for students
Describe what musical elements you hear in this motet. (timbres, tempos, dynamics, texture, what catches your attention the most?)
Tertiary prevention for homeless includes? Select all that apply but only 5 options that are correct 1.