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October 31, 2014

Posts by User


Total # Posts: 9

Chemistry
At temperatures above 930 C, reduces to form metallic lead . The byproduct of the reaction is . Calculate the amount of lead produced (in kg) when a reactor is charged with 953.0 kg of and 1430 kg of .
January 12, 2013

Chemistry
Lead chloride dissolves in water according to PbCl2(s)↔Pb2++2Cl−(aq) The solubility in pure water has been measured to be 4.44 g⋅L−1. Calculate the solubility product of lead chloride in pure water. Your answer should be in units of molarity raised to ...
December 17, 2012

English
yes they both mean the same just the first one, when it adds the other "some" beside the cheese its doesn't need to be there, because it makes the sentence to wordy. Yes to answer your question they both mean the same thing.
November 19, 2012

Boolean algebra
I have the same question. Someone on stack overflow gave me this answer(i dont know if its correct, because i dont know if we can use the ^: !(a + b + c) || (b * a ^ c) where ^ is xor. you can see my post go to site stackoverflow search-> Boolean algebra simplification to ...
October 23, 2012

Physics help
A 0.50-kg block rests on a horizontal, frictionless surface, it is pressed against a light spring having a spring constant of k = 800 N/m, with an initial compression of 2.0 cm. To what height h does the block rise when moving up the incline? what would be the h if the ...
June 17, 2012

Physics
Three applied forces F1= 20N, F2= 40N and F3= 10N act on a crate with a mass of 2kg on an incline with θ = 30o, φ = 60o and μk = 0.2, find the acceleration
June 12, 2012

physics
m1=4kg and m2=2kg and angle is 42 degrees.if the mass m2 is moving down with 0.5 m/s^2 acceleration, find the coefficient of the friction
June 12, 2012

Physics
Three applied forces F1= 20N, F2= 40N and F3= 10N act on a crate with a mass of 2kg on an incline with θ = 30o, φ = 60o and μk = 0.2, find the acceleration
June 11, 2012

math-algebrqa
To describe violent storms, such as hurricanes and tornadoes, meteorologists use the formula D^3=830t^2, where D is the diameter (in km) of the storm and t is the time (in h) that the storm is expected to last. If a storm has a diameter of 25km , how long is it expected to last?
October 2, 2007

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