What is the proper isotope notation for the bromine
Bromine is composed of atoms having mass numbers 79 and 81.calculate the % of each isotope, if the atomic number is79.91? What is the proper isotope notation for the bromine isotope 79if it has gained one electron?
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A 47.5 gram sample of a metal at a temperature of 425 degrees C is placed in 1.00 L (1000 g) of water which had an initial temperature of 18 degrees C.
Let X and Y be continuous random variables with joint probability density f (x, y) = (1+4xy)/2, for 0 < x < 1 and 0 < y < 1 f (x, y) = 0, otherwise. Compute the marginal density of X & Y.
Design a method that can be used, considering that the only materials available are strong rope and several pieces of wood having various sizes and lengths.
A 20 x 10-9 C charge is at the origin, and a -10 x 10-9 C is at X = 15 cm. At what point or points on the x-axis is the electric potential zero?
A sample of n 8 scores has a mean of M 12. One new score is added to the sample and the new mean is found to be M 13. What is the value of the new score?
Assume this air flows into a basement room, where it cools to 60 °F at 14.7 psi. How much liquid will condense out, in lbmw/s?
The vertical component of the Earth's magnetic field at this location has a magnitude of 44µT. What is the magnitude of the induced emf between the ends of the beam?
A chemist wants to prepare 0.42 MHCl. Commercial hydrochloric acid is 12.4 M. How many milliliters of the commercial acid does the chemist require to makeup 1.63 L of the dilute acid?
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Recommendations in the Chronic Pain Guidelines include all of the following EXCEPT: (a) All patients with a previous opioid prescription should
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