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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Which of the following things happened first? Group of answer choices Women gained the right to vote Seneca Falls Convention Margaret
Staying with Nigeria, rewind the year to 1950. Using the +5 year control, fast forward in 5 year increments until you reach 2020.
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Question: Which of the following is a criticism of Marxist/conflict theories? Group of answer choices
Even though are coastlines are very vulnerable to multiple climate change impacts, the good news is that because most of our urban settlements
"Gender inequality is not some accidental, hit-or-miss affair. Rather, each society's institutions work together to maintain the group's particular form of