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What volume of a 0.500 M hydrochloric acid solution is needed to neutralize each of the following, respectively: a) 10.00 mL 0.300 M sodium hydroxide ; b) 10.00 mL 0.200 M barium hydroxide?
Define the terms exothermic and endothermic. In a calorimetric experiment, how does one determine whether a reaction is one or the other?
What is the percent ionization of a 0.0300 M aqueous solution of cyanic acid, HCNO (Ka = 3.5E-4)?
Calculate the pH of a buffer formed by mixing 95 mL of 0.13 M lactic acid with 85 mL of 0.15 M sodium lactate.
Calculate its standard heat of combustion in kilojoules C5H12O with a Delta H of -313.6 kJ/mol
what is the minimum velocity that the fluid should travel at in order to remain in the most efficient flow regime for heat tranfer if the fluid is i)water ii)paraffin oil iii) helium (1 atm) in each case Tinfinity= 75 deg
Explain why the balloon would float when heated. Make sure to discuss which factors change and which remain constant, and why this matters. Be complete.
Calculate the mass, in grams, of Ag2CrO4 that will precipitate when 50ml of 0.20M AgNO3 solution is mixed with 40ml of 0.10M K2CrO4 solution. Assume that Ag2CrO4 is completely insoluble (its Ksp is ~ 0).
A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occurs when the two solutions are mixed.
What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively.
Calculate the predicted change in boiling point, in °C for your solution. What is the calculated boiling point of the solution? Compare this with the actual boiling point.
Why are unsaturated carbonyl compounds UV active but saturated esters and ketones are not UV active
Draw a planar structure for the following compound using dashed or solid wedges to show the stereochemistry of the substituent groups. To be graded properly
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