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Given the information given below, what is the standard enthalpy change for the reaction: W(s) + 3H2O(g) => WO3(s) + 3H2(g)? 2W(s) + 3O2(g) => 2WO3(s) ?Ho = -1685.4 kJ 2H2(g) + O2(g) => 2H2O(g) ?Ho = -477.84 kJ
The sample of 19.2g of KCl is dissolved into a solution with a total volume of 242.0 mL. what is the molarity of the solution
Describe 3 uses of rhodium as a catalyst (written description and the balanced chemical equation) for its use in 1) three way catalytic converters on cars 2) the manufacture of acetic acid by catalytic carbonylation of methanol, called the Monsanto p..
Once 1-butyl-bisulfate is formed, the 1-butanol can act as a nucleophile to form dibutylether. Propose a mechanism for that reaction
What is the concentration of in mass percent? An aqueous solution has a vapor pressure of 81.9 at 50 . The vapor pressure of pure water at this temperature is 92.6.
discuss in detail the healthcare applications of chemical reactions. which chemical reactions would you consider to be
How many milliliters of 0.100 M NaOH solution are required to neutralize a solution containing 3.92 g H2SO4
a miner working 260 m below sea level opened a carbonated soft drink during lunch break. to his surprise the soft drink
what intermolecular force is found in water. draw a picture of 3 water molecules showing this intermolecular force
The complex formed between Cu(I) and 1,10 phenanthroline has a molar absorptivity of 7000 L cm-1 mol-1 at 435 nm, the wavelength of maximum absorption.
The solution density if 1.001g/mL. Calculate the Ca2+ and Mg2+, molarity, molality, mol fraction, and the PPM. Please show examples.
Calculate the heat required to convert 58.0 g of C2Cl3F3 from a liquid at 14.90 degrees C to a gas at 90.75 degrees C.
Calculate the amounts of Na2HPO4 and NaH2PO4 (in grams) needed to prepare 200 mL of a buffer with pH = 8.25 so that the sum of concentrations
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