Phosphorus atoms at a concentration of 51016 cm-3 are added
Phosphorus atoms, at a concentration of 5*10^16 cm^-3, are added to a pure sample of intrinsic silicon. Assume the phosphorus atoms are distributed homogeneously throughout the silicon sample. What is the fraction by weight of phosphorus?
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A galvanometer has 25 divisions in full scale. Its sensitivity (k) is .2mA/div and resistance (Rg) is 50 ohms. Construct voltmeter using the galvanometer and a 2950 ohms resistor, how will you use the resistor (series or parallel to galvanometer)
compare the pH of a .040 M HCl solution with that of a .040 M H2SO4 solution. (hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 X 10^-2)
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Phosphorus atoms, at a concentration of 5*10^16 cm^-3, are added to a pure sample of intrinsic silicon. Assume the phosphorus atoms are distributed homogeneously throughout the silicon sample. What is the fraction by weight of phosphorus
A bat strikes a 0.145-kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0m/s, Find the horizontal component of the average force on the ball. Take the x-direction to be positive to the right
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After the issuance of debt, preferred and common stock, calculate the cost of capital for debt, new preferred stock, new common stock, and the weighted average cost of capital, given the execution of the new financing plan to add new capital.
When the concentrations of CH3Br and NaOH are both 0.165 M, the rate of the reaction is 0.0050 M/s. What is the rate of the reaction if the concentrations of CH3Br and NaOH are both increased by a factor of four
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