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A volume of 485 mL of argon at 45.0°C and 1.00 atm is combined with 210. mL of xenon at 23.7°C and 3.91 atm in a new flask that has a volume of 350. mL. What is the total pressure (in atm) of gas in the flask at 36.0°C?
Calculate the pH of the solution that results when 20 ml of 0.100 M CH3COOH is mixed with 10.00 mL 0.200 M NaOH
before a plate is developed. What would happen if a plate were developed in a jar with an atmosphere not saturated with solvent vapor?
You are in a mountain range with atmospheric air pressure of 520 , and you wish to boil some eggs. What is the approximate boiling point of the water at this air pressure
Discuss the two main mechanisms in nucleophilic substitution reactions. Provide examples, show reaction diagrams, discuss controls of reaction rates, stereochemistry
A chemist produces 460 mL of oxygen gas at - 43 °C and constant pressure. To what Celsius temperature must the oxygen be warmed in order for it to have a volume of 600 mL?
What mass of Fe will form when 63.0g of CO reacts with 145g of Fe2O3 according to the following equation? 3CO+Fe2O3->2Fe+3CO2.
4.5 g CH4(g) occupies 12.7L at 310K. Calculate the work, heat, energy, and enthalphy change upon expansion by 3.3L @p=constant. please show the equations used.
12.0 moles of gas are in a 5.00 L tank at 23.9 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.
The decomposition of N2O5 in CCL4 is a first order reaction. If 2.56 mg of N2O5 is present initially and 2.50 mg is present after 4.26 minutes at 55 degrees Celsius what is the value of the rate constant K?
170 ml of an hcl solution with ph of 2.30 is added to 200 ml of an hno3 solution. the resulting ph is 1.40. what was
A zero-order reaction has a constant rate of 3.50×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 1.00×10-2 M, what was the initial concentration?
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3. How many grams of water are required to react with 212.9 g of calcium cyanamide
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