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Compare the 2p electrons in nitrogen to the 2p electrons in oxygen (both at ground state). WHich electrons feel the largest effective nuclear charge? Why?
The Cl^- concentration in the water analysis given has been questioned. What concentration of Cl^- (mg/L) would make the cations and anions balance?
A current of 5.07 A is passed through a Sn(NO3)2 solution for 1.20 hours. How much tin is plated out of the solution
if the experimenter uses a thermometer that reads 1.4C too high how will this affect the calculated molar mass.
Give equations to show how sulfuric acid can convert 4-methyl cyclohexene into a mixture of four isomeric c7H12 compounds(including starting material). Predict the relative amounts of each isomer.
What is the mass of sugar in 735g of a 19.85% sugar solution?
Ethanol is a possible fuel. Use average bond energies to calculate delta Hrxn for the combustion of ethanol.
2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 -!> Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed. Answer in units of mol.
A solution of 2.00 g of para-dichlorobenzene (a clothes moth repellant) in 50.0 g of cyclohexane freezes at 1.05 C. What is the molar mass of
Calculate the expansion work done in kJ against a constant external pressure of 0.961 atm and at a constant temperature of 20°C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
determine the numbers of moles of iron that would be formed from 6.2 moles of co carbon monoxide combining with excess
Sulfur dioxide reacts with chlorine at 227 oC: SO2(g) +Cl2(g) ↔ SO2Cl2(g) Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel.
What will the rate of the reaction be with the catalyst when [A] = 0.0547 M at 323 K? Assume that the Arrhenius factor for this reaction has been determined to be 0.729 M-1s-1.
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