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A new lab tech, upon evaluating the contents of a solution, declared that it was a 32 molar solution of ethanol in water. Why is this incorrect?
Write a balanced equation for each of the two steps of the reaction, namely: (1) the reaction between benzyltriphenylphosphonium chloride and sodium hydroxide
If 120.9 mL of water is shaken with a gas at 0.860 atm, it will dissolve 0.00286 g of the gas. Estimate the Henry's law constant for the gas in water in units of g L-1 atm-1.
Ethylene glycol, C2H6O2, is widely used as an automotive antifreeze. What is the minimum weight, in grams, of this compound that must be added to 10 kg of water to produce a solution that will protect an automobile cooling system from freezing at ..
Using standard enthalpies of formation from Appendix 2A, calculate the standard reaction enthalpy for the following reaction, the final step in the production of nitric acid
What is the change in average specific (kJ/kg) enthalpy of this system if the quality increases by 0.71 at a constant pressure of 10 bar?
If you have 240.0 mL of water at 25.00 °C and add 100.0 mL of water at 95.00 °C, what is the final temperature of the mixture.
Consider the titration of a 22.0 -mL sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine each of the following. A. The initial pH B. the volume of added base required to reach the equivalence point in mL
how many grams of sulfur are needed to react completely with 246 g of mercury to form HgS
The intial temp of the water is 19.0C and the final temp of the system is 25.1C. The heat loss to calorimeter is negligible. What is the mass of the water?
A 1.20 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the normality. Citric acid has three acidic protons.
can be done by the system if the octane is completely converted to carbon dioxide and water vapor? What will the enthalpy change be for the process? Calculate the root-mean-square speed of the carbon dioxide molecules in the question above.
What is the boiling point of a solution that contains 6 moles of KBr in 1000 g of water? (K = 0.512 C/m)
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