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Assume that core electrons completely shield valence electrons from the full charge of the nucleus, and that valence electrons do notshield one another. What are the values of S and Zefffor a 3s electron in an atom of Cl?
a 200 ml stock solution contains 0.9 m cacn2. when 100 ml of the stock solution is diluted to 120 ml how many moles of
A compound is composed of only C and H. It contains 88.82% C by mass and has a molar mass of 54.09 g/mol. What is the correct molecular formula
what is the hybridization of each carbon for the following structure? explain each one and provide the line structure.
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 28.0cm higher than the level in the arm open to the atmosphere
a corporation produces output with a market price of 200 per unit. the marginal product of capital is 12k where k is
A 115-g sample of steam at 100 degrees C is emitted from a volcano. It condenses, cools and falls as snow at 0 degrees C. How many kilojoules of heat were released
one biochemical reaction has a standard gibbs energy of-200kjmol and a second biochemical reaction has a standard
Why is the ability to separate 2 liquids by fractional distillation drastically reduced if heat is applied too rapidly to the distillation flask
An alkaline earth metal, M, combines with a halide, X. Will the resulting compound be ionic or covanlent. Why. What is the Lewis structure for the compound
How hot will a 2.3 L balloon have to get to expand to a volume of 400 L? Assume that the initial temperature of the balloon is 25 degrees Celcius.
determine how many kgs of ca are there in a 205-pound man if 1.4 percent of the mass of a human body is calciumca?an
what is the annual cost of operation in a 70°F room if the door is opened 10 times a day with an average heat gain per opening of 200 kJ? How much would it cost to keep the inside at 35° F? Show work.
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