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What is the pH of the solution formed by mixing 45.0 mL of 0.183 M potassium hydroxide and 65.0 mL of 0.145 M hydrochloric acid?
if 76g of Cr2O3 and 27 g of al completely react to form 51 g of Al2O3 how many grams of Cr are formed?
identify any intermediatesin the mechanism. write the rate law for each elementary reactionin the mechanism. D) if the first step is slow and the second one is fast
How are crops genetically modified? What are the health consequences of athletic supplements? How do fuel cells work? How does aspirin cure headaches?
An unknown solid compound containing Pb2+ ion was mixed with 15 mL of 2.0 M HNO3. The mixture bubbled profusely. After complete reaction, it was found that 0.020 moles of CO2 were produced and the original solid was completely consumed.
a tank contains helium at 490 mmHg, nitrogen gas at 0.750 atm, and neon at 520 torr. what is the total pressure in atm?
If you wished to prepare t-butyl propyl ether by a Williamson Synthesis, there are two possible combinations of materials you could choose as alternatives.
Calculate the osmotic pressure of a 20% sucrose solution given that the molecular weight of sucrose is 342g.
What is the potential of a galvanic cell made up of Zn/Zn^2+ and Cu/Cu^2+ half-cells at 25 C if [Zn^2+] = 0.25M and [Cu^2+] = 0.15M?
The normal boiling point of bromine is 58.8°C. Given that the vapor pressure of methanol is 75.0 torr at 2.5°C, calculate the molar enthalpy of vaporization of bromine.
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
The barium salt was found to have two mole of water of hydration per Ba ion and the acid is mono basic. What is molecular weight of anhydrous acid.
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
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