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Suppose that a 65.4 g sample of MgCl2 is dissolved into 572 g of water. What is the expected boiling point of the solution? Show all work.
How many moles of helium are contained in a 2.0 L balloon at 30.0 oC and at 735 mmHg? Use the ideal gas law. Hint: Convert mmHg to atm and Celsius to kelvin
Calculate ΔG° at 25°C for the redox rxn between Sn4+ and Fe that takes place in a voltaic cell if E°cell= 0.60V. The rxn is: Sn4+(aq) + Fe(s)→ Fe2+(aq) + Sn2+(aq)
the dichloromethane layer is now 31 mg of benzoic acid. What is the partition Coefficient (Kp) of benzoic acid in dichloromethane/water?
A solution is prepared with initial concentrations of .038 M AL^3+ and .29 M NaF. If the Kf for AlF6^3- is 7.0 * 10^19, what is the concentration of Al^3+ (aq) at equilibrium?
The Winkler titration for the determination of dissolved oxygen involves the treatment of the sample with iodide ion (I-) in the presence of manganese ion catalyst (Mn2+) as follows.
A 1.784 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution.
How many g of ethanol do I need to burn in excess oxygen in order to recover 5.0 g of water if the reaction has 75% yield
Buffer solutions are highly useful in various biological and industrial applications. Discuss application of suitable buffer solutionused in 2 industries
how many kilojoules are required to raise the temperature of a 150. g sample of silver from 25 degree celcius to 135
calculate delta Go for myoglobin denaturation at the given pH (9) and temperature(25oC).- Is the unfolding driven by entropy or enthalpy? Explain
determine the kelvin temperature required for a 0.0470 mol of gas to fill a balloon to 1.20 l under 0.988 atm of
Trying to figure out ionic bonds and figuring out formulas. For example...K+1 and CO3-2 combines to form what.
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