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If 3.37g of Mg (s) was reacted to form 7.03 g of MgO(s). How many moles of oxygen are present in the MgO(s)
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurations for this element.
It's volume is 224mL at a temperature of 60 degrees Celsius and a pressure of 880 torr. Find the molar mass
Calculate the minimum number of photons, n, needed to make the reduction of 2 moles of NADP favorable for light absorbed at 6.80 × 102 nm. Assume that the amount of energy needed for the reduction of one mole of NADP to be favorable must exceed 21..
Calculate the ionic strength ad all the individual activity coeffcient for all solution in which 0.02 mole of (Feso4) and 0.1 mole of (NH4)2cro4
The gas phase dimerization reaction 2 NO2 = N2O4 has an equilibrium constant of Kc = 4.72 at 373 K (when all concentrations are measured in M units).
what is the change in enthalpy when 18.4 g of steam at 100?c is converted to liquid waterat the same temperature and
If 2.5 mL of seawater contains about .0000000000058 moles of gold (Au), how many atoms of gold are in that volume of seawater
How did you deduce which spot corresponded to 2-naphthol on yourTLC plate that analyzed the reaction mixture at 10, 30, and 60 minutes. Did your TLC analysisindicate the presence of any 2-naphthol remaining atthe end of the 60-minute reaction time..
Calculate the bubble point pressure at 30 degree celcius for a mixture that is 50/50 mole% ethanol and water given that P1(sat)=10.46 kPa and P2(sat)= 4.24kPa assuming that the margules equation
a mixture of nitrogen and hydrogen reacts as fully as possible to form a 56 l mixture of ammonia and hydrogen at stp. when this mixture is compressed to 10.0 atm and chilled to 200.0 K, all of the ammonia is liquefied leaving 3.2 L of hydrogen sti..
consider a 0.0500m HClO2 is a moderately weak electrolyte acid such that 36% of the molecules dissociate when dissolved in water. calculate the van't hoff factor
How many grams of nickel nitrate, Ni(NO3)2, must be dissolved to prepare 200 mL of a 0.152 M aqueous solution of the salt.
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