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Question - Consider the gas reaction of the formation of nitrogen dioxide from nitric oxide and oxygen. If 9.0 L of NO are reacted with excess oxygen gas at STP, what is the volume in microliters (use proper scientific notation) of the nitrogen dioxide produced?
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A (identical to the starting ester) and E. Propose a neutral structure for each compound that is consistent with the data. Note that the absolute stereochemical configurations of chiral substances cannot be determined from the data. Arbitrarily dr..
Palladium crystallizes in a face-centered cubic unit cell. Its density is 12.0 g/cm^3 at 27 degrees C. Calculate the atomic radius of Pd.
when it dissolves in water (3 moles of ions/mole of salt). Calculate the freezing point of a solution containing 18.8g of Na2SO4 in 465g of water. The Kf for water is 1.86C kg mol-1.
Suppose a worker fears being exposed. The source radiates wit 3540 rem at 500.0 cm. what minimal distance (m) should the worker remain?
at 25.0degc a sample of xe gas occupies 545 ml in a piston-cylider apparatus when the external pressure is 751 torr. at
A mixture of acetone and toluene is boiled at 60 C and at 760 mm Hg. What is the ratio of acetone to toluene in the vapor phase?
NO+ and NO- are also known. Compare the bond orders of these ions with the bond order of NO. Which of the three would you predict to have the shortest bond? Why?
New ads for the toyota Prius claim that it has saved over 1 billion gallons (2.8 x 10^9kg) of gasoline. Assuming that gasoline is 100% octane (C8H18) how much has the prius reduced emissions of carbon dioxide.
When they are heated, the final temperature of A is 55 degree C higher than the temperature of B. What does this tell you of the specific heats of A and B
Describe the different terms in atomic radii, ionization energy, electron affinity and electronegativity using the periodic table of elements to describe the trends. Define each term and explain why the trends work using the periodic table.
Cesium(Cs) is used extensively in television cameras and in photocells because it has lowest ionization energy of all the stable elements.Determine the maximum kinetic energy of a photo electron ejected from cesium.
Poly (ethylene terephthalate), which is the commonly used polyester Dacron, can be formed by an acid-catalyzed esterification between ethylene glycol (HOCH,CH,OH) and terephthalic acid (HOOC-C6H4-COOH, para isomer). Show the polymerization reactio..
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