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Acid Rain:
Nitrogen, a common pollutant from the combustion of auto fuels, produces several oxides. Assume that nitrogen dioxide is the most common oxide formed.
suppose that you have 0.500 l of each of the following solutions and an unlimited supply of water. note c9h7nhbr is a
It was found that 19.33 mL of an HI solution are needed to react completely with 320 mL of a LiOH solution that has a pH of 11.87. What is the molarity of the HI solution
The pH of a 2.1 M solution of a weak acid, HA, at 298K is 1.85. What percent of the acid has dissociated
Which solution will have the larger change in its freezing point: a 0.75 molal solution with water as the solvent or a 0.75 molal solution with naphthalene as the solvent. Calculate delta T for water and delta T napthalene
Lysine is used as a topical medicinal skin creme. What is the molecular formula of lysine if the empirical formula is C3H7NO, and the approximate molar mass is 146 g/mol
Problem- What is the pH change of a 0.260M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.170M with no change in volume
If 93.5 mol of an ideal gas occuplies 45.5 L at 57.00 C, what is the pressure of the gas.
Calculate the amount of heat (in kJ) required to convert 74.6 g of water to steam at 100ºC. (Specific heat of water = 4.184 J/g • ºC; ?Hfus (H2O) = 6.01 kJ/mol; ?Hvap (H2O) = 40.79 kJ/mol).
If the rate of appearance of oxygen (?[O2]/?t) is 6.0 x 10-5 M/s at a particular instant, what is the value of the rate of appearance of ozone (-?[O3]/?t) at this same time
A process takes place at constant pressure. The volume changes and the temperature increases by 87.0oC. The heat capacity of the system at constant volume, CV, is 204.7 kJ/oC. What is E in kJ
Calculate the mole fraction of water in this solution, assuming that the KI is completely dissociated. b) Predict the vapor pressure of water over this solution at 25 °C, assuming complete dissociation of the KI.
Calculate the molar heat of combustion of anthracene.
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