10.6gram of hydrated zinc tetraoxosulphate (vi) on heating to constant mass gave 5.95g of the anhydrous form.Calculate the number of molecules(x) of water of crystalization in the hydrated salt.(zn=65,s=32,o=16,h=1)
May 6, 2015
Hola! Can you check my work and tell me if it's all right? State whether the command is formal ("Ud.") or informal ("tú"). 1. Come la sopa. Formal. 2. Hable más despacio. Informal. 3. No compres más ropa. Informal. 4. Beba m�...
October 13, 2014
A girl whirls a stone in a horizontal circle 1.9 m above the ground by means of a string 111 cm long. The string breaks, and the stone flies of horizontally and strike the ground 11.2 m away. What is the centripetal acceleration of the stone while in circular motion?
February 22, 2013
How much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 8.5 liters against a constant external pressure of 0.0100 atm? Answer in units of J.
December 4, 2011
can someone please explain how to do this problem: A twelve-foot ladder is leaning against a wall. If the ladder reaches 8 ft high on the wall, what is the angle the ladder forms with the ground to the nearest degree? 1. 36° 2. 42° 3. 48° 4. 54°
June 30, 2011
ap us history
the questionsa are about the Truman Doctrine 1)To what extent were we able to carry out our foreign policy aims? 2)To what extent do recent events in the former Soviet Union suggest that the US may have operated under false assumptions in the years immediately after WWII?
February 28, 2010
Barbara wants to save money to meet 2 objectives: i. She would like to be able to retire 25 years from now and have a pension for 15 years after that.She would like to get the first annual payment on the pension 26 years from now, she would like it to be $30,000 and she would ...
October 23, 2009
What are some interesting facts about Hera the greek goddess she wanted to trick Zeus and make him loose power http://www.pantheon.org/articles/h/hera.html http://en.wikipedia.org/wiki/Hera
February 22, 2007