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Burning 2.00 rm mol of hydrogen releases 483.6 rm kJ of energy. Determine how much energy, in kilojoules, must be supplied to convert 9.00 {rm mol} of water vapor into hydrogen gas and oxygen gas.
What is the purpose of treating your spinach with methanol prior to extraction? By considering their structures (Manual p 2), explain why β-carotene has a higher Rf than xanthophyll.
2NO2(g)has come to equilibrium, the concentration of NO2 is 2.2 x 10-3 mol/L. Calculate the molar concentration of O2 at equilibrium.
What is the partial pressure of CO2(g) at equilibrium if initially 4.00 atm of CO(g) is in contact with graphite?
Problem- Construct a possible flow diagram below for the separation scheme for a solution containing Ag+, Ni^2+, and Zn2+. You may use HCL, NaOH, and Na2CO3 as reagents. Use the solubility rules and the tables of solubility product constants (Ksp)..
How much heat energy, in kilojoules, is required to convert 37.0g of ice at -18.0C to water at 25.0C
If the equilibrium concentration of Cd2+ ion is 1.5 X 10-6 M, calculate the equilibrium concentration of OH- in an aqueous equilibrium between solid Cd(OH)2 and its ions. (Ksp for Cd(OH)2 is 2.5 X 10-14)
A student mixes 175.0 grams of water at 62.31oC in a coffee-cup calorimeter with 175.0 grams of water at 25.84oC. The final temperature of the mixture is 41.71oC.
Question- Compare the advantages and disadvantages of using ionic and coordination polymerization vs. free radical polymerization (do a through review on mechanisms, sterochemistry, control of molecular weights and kinetics to answer this question..
When the substance is dissolved in a 1.20x10-3 M solution of HA, the catalyzed rate constant was found to be 3.20x10-5. Calculate the dissociation constant, Ka, of HA.
Copper is electroplated from CuSO4 solution. A constant current of 4.14 amp is applied by an external power supply. How long will it take to deposit 1.00 x 102 g of Cu? The atomic mass of copper is 63.546.
Assuming complete dissociation and ideal behavior, what would be the boiling point of an aqueous solution of MgCl2 that is 8.0% MgCl2 by mass? For H2O
The data for the trickling filter is the following: recirculation ratio = 1.5; diameter = 25 m; depth = 2 m. Determine the hydraulic load (m3/dm2) and the treatment efficiency of the trickling filter.
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