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Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.) tf and tb?
An aqueous CaCl2 solution has a vapor pressure of 83.0 mmHg at 50 degrees celsius . The vapor pressure of pure water at this temperature is 92.6 mmHg.
Pyridine is a heterocyclic aromatic compound similar in structure to benzene. It is widely used as an organic base because it reacts with acids, but is inert to most reagents.Write an equation with structural formulas to show how pyridine reacts w..
Preliminary analysis suggests that the air stable form of setonium has a radius of 130 pm. Predict the formula of the form (cation, anion or oxide) in which it would likely be found in a beaker of pH 5.5 to 7 water.
A 31.0-g sample of water at 270. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Consider the gas-phase reaction A + 2B 2C + D. Starting with 1.0 mole of A and 1.0 mole of B in 2.0 liter container, the reaction proceeds to equilibrium at T = 103C with 8.6 × 10-2 moles of C now present.
Calculate the internal energy of He, Ne, and Ar under standard thermodynamic conditions. Do you need to redo the entire calculation
What is the brand name of Naproxene? Naproxen is said to be the first NSAID marketed in an enantiomerically pure form. What is a NSAID? What is an enantiomer?
Calculate the pH at the equivalence point in a titration between 10.00 mL of acetic acid(0.100 mol/L) and sodium hydroxide (0.100 mol/L).
Assume that a particular reaction evolves 250 kj of heat and that 34 kj of PV work is gained by the system. What is the enthalpy?
write an individual balanced equation for the dissolving of each salt in solution, including phase labels B) what was the concentration in molarity if each ion in solution, Mg 2+, Na+, Cl-?
draw an orbital picture for acetylene C2H2 label each bond type and indicate type of orbitals involved in each bond.
Calculate the freezing point depression of a solution containing 0.20% wt/v glucose (mol wt of 180) and 0.5% NaCl
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