Friday
May 29, 2015

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Total # Posts: 6

Chemistry
How many grams ammonium chloride and how many milliliters 3.0 M sodium hydroxide should be added to 200 ml of water and diluted to 500 ml to prepare a buffer of 9.50 with a salt concentration of 0.1 M? Ka=9.24
March 18, 2013

math
Kent invested $5000 in a retirement plan. He allocated x dollars of the money to a bond account that earns 4% interest per yr and the rest to a traditional account that earns 5% interest per yr. Write an expression that represents the amount of money invested in the ...
February 17, 2011

math
Kent invested $5000 in a retirement plan. He allocated x dollars of the money to a bond account that earns 4% interest per yr and the rest to a traditional account that earns 5% interest per yr. Write an expression that represents the amount of money invested in the ...
February 17, 2011

physics help me
a) F=-kx => k=F/x => k=mg/.5x .300kg(9.8)/.5(.170m)= k b) w=squareroot(k/m)
November 16, 2010

Physics
Completely inappropriate and only further insinuates your ignorance...You should be ashamed of yourself. Grow up and get a life those comments should be kept to yourself.
April 12, 2010

Chem
For the reaction I2(s)+Cl2(g) ==> 2ICl(g) delta H= 36kJ, delta S= 158.8J/K at 25° C. Calculate the temperature at which Keq is 4.0*10^3. delta G= (delta H)- T(delta S) = 36 - (298)(0.1588) = -11.32 delta G= -RTlnK -11.32= -8.31Tln(4*10^3) -11.32= -6892.35 T T= .00164 &...
August 10, 2009

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