Wednesday
October 22, 2014

Posts by dody


Total # Posts: 12

social studies
marco polo traved from venice to china i need the aproxmately dates to each place he travelved frm venice to china i need the place and date please someone help
April 25, 2011

chemistry
what is the partial pressure of 02 collected over water at 25 degree C and 630 torr (vapor pressure of H20 at 25 degree C is 23.8 torr)
December 5, 2010

Chemistry
What volume will .00 L of Gas occupy if the temperature is changed form 30 degree C to 90 degree C (P is constant)
December 5, 2010

Chemistry
Wen 4Ag + 2H2S + 02 -> 2Ag2S + 2H20 and the reactants inclde 12 mol Ag, 6 mole of H2S and 96 G of 02 the limiting reactant is?
December 5, 2010

Chemistry
how do I write the equation for How many grams of sodium nitrate are required to form 90.0 grams of water?
December 5, 2010

Chemistry
What is the atomic mass of an element if one hatom has a mass of 2.107 x 10x10 to the -22 power g
December 5, 2010

chemistry
2 Na2 + @H20 -> 4NaOH + 02 Whtes 200. g of Na202 were reacted, 32.0g of 02 were collected The yield of 02 colleced how many percentages?
December 5, 2010

Chemistry
sorry How many moles of exygen are needed to react with 1.6 moles of isopropyl alcohol, C3H7OH Equation is 2 C3H7OH + 9 02 -> 6 CO2 + 8 H20
December 5, 2010

Chemistry
how many moles of oxygen are needed to react with 1.6 moles of isopropyl alcohol, CcH7OH Equation is 2 C3H7OH + 9 02 ->6 CO2 + * H2O
December 5, 2010

Chemistry
How many unpaired electrons are in the electron structure of 24 Cr, [Ar]4s1 3d5
December 5, 2010

Chemistry
The volume of 02 collected over water at 25 degree C and 740 torr, was 250 mL. What volume will the dry 02 occupy at STP? (Vapor pressure of water at 25 degre C is 23.8 torr).
December 5, 2010

chemistry
The volume of 02 collected over water at 25 Celcius and 740 torr was 250 mL. What volume will the dry 0x occupy at STP (Vapor pressure of water at 25 celcuis is 23.8 torr)
December 3, 2010

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