Thursday
May 5, 2016

# Posts by Kyleigh

Total # Posts: 8

physics
A rock is suspended by a light string. When the rock is in air, the tension in the string is 38.2 N. When the rock is totally immersed in water, the tension is 28.9 N. When the rock is totally immersed in an unknown liquid, the tension is 17.4 N. What is the density of the ...
November 17, 2013

math
.5x.6?
September 27, 2012

September 26, 2012

physics
you take the inverse tan. So tan-1(1.8956)= 62.2
October 13, 2011

how can you explain the difference between 120-70 using mental math
August 30, 2011

Social Studies
How did the Pilgrims become friends with the Wampanoag?
November 9, 2010

Social Studies
Pilgrims
October 18, 2010

chem for Dr. Bob
First calculate the molarity (M) of each species. M H2 = moles H2 / L = 2.50 / 12.0 = 0.208 M M S2 = moles S2 / L = 1.35 x 10^-5 / 12.0 = 1.13 x 10^-6 M M H2S = moles H2S / L = 8.70 / 12.0 = 0.725 M Kc = [H2S]^2 / ([H2]^2[S2]) = (0.725^2) / ((0.208)^2(1.13 x 10^-6)) = 1.08 x 10^7
March 24, 2010

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