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N2+O2->2NO At 2000 degress C, Kc for the reaction is 4.1*10^-4 and delta H= 180.6Kj. What is the value of Kc at 65 degrees C
The dipole moment (u) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1% Estimate the bond length of the HBr bond in picometers.
If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded to the central atom in each case, is the molecule polar, nonpolar, or does it depend on the identity
Calcium chloride is added to a polymer solution of sodium alginate to cross-link the polymers, reating a thicker mixture which is used to add texture of food (like milk shakes). What is the explanation for why this happens?
If composite, define each simple sub-system and the internal restraint. If the vessel is shaken vigorously. Is the system then a simple or composite system?
How many grams of silver nitrate does it take to react completely with 7 mol Cu?
Ethanol normally boils at 78.4C. the boiling point elevation constant for ethanol is 1.22C/m. what is the boiling point of a 1.0 m solution
The arsenic in a 1.223 g sample of a pesticide was converted to H3AsO4 by suitable treatment. The acid was then neutralized, and 40.00 ml of 0.07891 M AgNO3 was added to precipitate the arsenic quantitatively as Ag3AsO4.
calculate the milliliters of 0.124 M KOH required to neutralize 46.0 mL of 0.200 M HNO2-?
If you are given a 0.33 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced?
What combustion products are produced when materials made from polyacrylonitrile smolder and burn?
What is the percent yield if 6.25 g S2Cl2 is isolated from the reaction of 10.0 g S8 and 7.50 g Cl2?
Consider the following reaction at constant P. Use the information here to determine the value of ?Ssurr at 355 K. Predict whether or not this reaction
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