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The first-order rate constant for the decomposition of N2O5, 2N2O5 --> 4NO2 + O2 at 70 degrees C is 6.82 * 10 ^-3 . Suppose we start with 2.90×10?2 of in a volume of 1.7 L. A) How many minutes will it take for the quantity of N2O5 to drop to 1.3 * 10^-2 moles B) What is the half life of N2O5 at 70 C
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
What volume in L is occupied by 19.62 g of methane, CH4 (MM = 16.04 g/mol) at 23 °C and 1.34 atm?
A cube of osmium metal 1.500cm on a side has a mass of 76.31g at 25°C. Calculate the mass of 0.1500L of benzene at this temperature.
Calculate the minimum energy that a bird of mass 25 g must expend in order to reach a height of 50 m.
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
Determine how much energy will be required to heat 69.7 gal of H 2 O from 22 degree Celsius to 110 degree Celsius if it is given that 1.00 gal weighs 3.77 kg and water has a specific heat capacity =4.184 J/g C
Elemental exonium (not a real element) consists of two major isotopes
What unusual aspect of water is responsible for it unique characteristics as both a liquid and as a solid? Give examples of how this property of water would affect food systems during processing.
Compute the number of mol of S represented by 1.810 x 10 -27 atoms of S, also determine the number of atoms of sulfur in 5.22 x 10 -7 kilograms of sulfur.
If you have 330 ml of water at 25 degrees and add 110 ml of water at 95 degrees, What is the final temperature of the mixture.
Energy level of electrons in atoms - The 3s level in hydrogen has a lower energy than the3d level in hydrogen.
What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0kg calcium phosphate with 1.0kg concentrated sulfuric acid (98% H2SO4 by mass)?
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