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A sample of iron chloride weighing 0.300 g was dissolved in water and the solution was treated with AgNO3 to precipitate the chloride as AgCl. Subsequent to precipitation was complete the AgCl was filtered, dried, and found to weigh 0.678 g. Find out the empirical formula of the iron chloride.
The mean velocities of HCl gas and NH3 gas at 25 degrees Celsius are 450m/s and 660m/s respectively. With these speeds in mind, briefly explain why so much time was required
Calculate the molar solubility of: a. Mg(OH)2 in 0.25M NaOH(aq) ksp = 1.8x10-11 b. BaSO4 in 0.010M Na2SO4 Ksp = 1.1x10-10
Draw the structure of an optically active fat that yields 2 equiv of stearic acid and 1 equiv of oleic acid on hydrolysis. Draw the structure of an optically inactive fat that yields the same products.
The solubility of calcium sulfate is 0.67 g/L. Show the calculation of the Ksp for calcium sulfate (all steps including chemical equilibria must be correct for full credit)
briefly discuss interpretations of your observations and results. discuss how your observations illustrated
A 10.0-g sample of krypton has a temperature of 25 degrees C at 575 mmHg. What is the volume, in milliliters, of the krypton gas
What are 2 technological applications of Entropy, free energy and equilibrium. and explain
consider the reaction with the rate law rate kbro3-br-h2by what factor does the rate change if the concentration of
The reaction of methane and oxygen yields carbon dioxide gas and water. The unbalanced reaction is as follows: CH4(g) + O2(g)--->CO2(g) + H2O(g)
the combustion of ethane produces carbon dioxide and steam2c2h6 7o2 --- 4co2 6h20how many moles of co2 are produces
Explain why heat change at constant pressure and constant volume have definite values.explain the terms exothermic endothermic and heat of reaction.
The first dissociation constant for carbonic acid (H2CO3) is K1 = 4.45e-7. Assume all activity coefficients are equal to 1.0. What is the concentration of carbonic acid in a) moles/liter, b) mg/l as H2CO3, and c) mg/l as CaCO3
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