Sunday
November 23, 2014

Posts by Akira


Total # Posts: 12

geometry
Please help me to draw this figure four points that are not collinear,three points that are non-collinear,two points that are non-collinear,three points that are non-coplanar,a line containing A and X, three collinear points X,Y,Z, a plane containing points P and Q, a points S...
June 10, 2012

Science
Is genetic engineering the answer to ending global hunger?
October 28, 2011

Calculus
Prove that (2,0) is the closest point on the curve x^2 + y^2 = 4 on (4,0.
February 27, 2011

Calculus
To estimate the height of a bridge, a man drops a stone into the water below. How high is the bridge (a) if the stone hits the water 3 seconds later? (b) if the man hears the splash 3 seconds later? (1080 ft per second for speed of sound)
February 8, 2011

math
1559 9 plas
October 29, 2010

2nd Grade
1559
October 27, 2010

Chemistry- Empirical Formula
Shouldnt that 6.63 mg be converted to grams before using that formula to get g hydrogen?
April 19, 2010

Chemistry- Empirical Formula
I'm a little confused about how to convert 6.63 mg H2O to mg H. And calculating mg C as well.
April 19, 2010

Chemistry- Empirical Formula
@DrBob222 Yes it is part of the same problem
April 19, 2010

Chemistry- Empirical Formula
Aniline, consists of C, H, and N. Combustion of such compounds yields CO2, H2O, and N2. If the combustion of 9.71 mg of aniline yields 6.63 mg H2O and 1.46 mb N2, what is the empirical formula? What is the molecular formula of a compound with the molecular weight of 372.504 ...
April 19, 2010

Chemistry - Heat Calculations
Calculate the heat released when 4 L Cl2 with a density of 2.46 g/L at 25 degrees C reacts with an excess of sodium to form solid sodium chloride at 25 degrees C.
April 19, 2010

Chemistry - Balancing Equations
Balance the following: Ca(OH) + H2SO4 -----> CaSO4 + H2O Na2S2O3 + I2 -----> 2NaI + Na2S4O6 ZnCl + Na2S -----> ZnS + NaCl SnCl4 + H2O ----> SiO2 + 4HCl I figured out the 2nd and 4th one to be: 2Na2S2O3 + I2 -----> 2NaI + Na2S4O6 SnCl4 + 2H2O -----> SiO2 + ...
April 19, 2010

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