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The density of salt is 2.16 g/cc. If you used 3.00 cc on your food, how much in ug is that?
what is the polarity of SiS2?
A chemist determines by measurements that moles of bromine liquid participate in a chemical reaction. Calculate the mass of bromine liquid that participates.
how many minutes will it take to plate out 6.0grams of (Cd) from C(d+2) solution using current of 6.0 A
Drive an expression for band structure of an open circuit PN junction. Consider the PN junction at 300K with doping concentration N d =2*10^ 15 cm^ -3 and N a =1.5*10^ 18 cm^ -3 in the P and N side of junction respectively. Determine the contact potential across the junction. Assume that intrinsic concentration of germanium is n i =2.5*10^ 13 cm^ -3 at 300K.
Assume that gallium arsenide has dopant concentration of N d =1*10^ 13 cm^ -3 and Na 2.5*10^ 13 cm^ -3 at T = 300K (n = 1.8 X 10¹6 cm3, electron's mobility = 8500 and hole's mobility = 400). Find the following
a) Is this material being p-type or n-type?
b) What is the hole's concentration?
c) What is the electrons concentration?
d) Find the conductivity due to majority carriers.
e) Find the conductivity due to minority carriers.
Calculate the molality of an aqueous glucose solution required to lower the freezing point of water to -8.0oC.
How many grams of BaCl2 should be added to 300 g H2O so that the freezing point of the solution is lowered – 8.3 0C? Assume that the BaCl2 completely dissociates in the solution.
Show Its Given, Required, Equation, Solution, Answer
1. How many grams of BaCl2 should be added to 300 g H2O so that the freezing point of the solution is lowered – 8.3 0C? Assume that the BaCl2 completely dissociates in the solution.
Show Its Given, Required, Equation, Solution, Answer
What will be the freezing point of an aqueous solution containing 80 g of NaCl?
Show Its Given, Required, Equation, Solution, Answer
