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Find thermodynamic data for ethanol (C2H5OH) in appendix B estimate the normal boiling point of ethanol as well as calculate the vapor pressure of ethanol at 25C
A hydrocarbon is found by combustion analysis to contain 87.17% carbon and 12.83 hydrogen by mass. Determine the smallest possible molecular formula for this compound.
1. Calculate the pH after 0.0 mL of KOH has been added. 2. Calculate the pH after 10.0 mL of KOH has been added. 3. Calculate the pH after 25.0 mL of KOH has been added. 4. Calculate the pH at the equivalence point. 5. Calculate the pH after 150.0..
If 0.130 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
A sample of oxygen gas is collected over water at 25 degrees C. and a total pressure of 654 torr. The volume of gas collected is 500 mL. What mass of oxygen is collected? The vapor pressure of water is 25 degrees C at 23.8 torr.
in a 3.0-l vessel the following partial pressures are measured at equilibrium n2 0.380 atm h2 0.400 atm nh3 3.00 atm.
Calculate the initial molarity of Ba(OH)2 and the molarities of Ba2+, OH -, and H3O+ in an aqueous solution that contains 0.38 g of Ba(OH)2 in 0.123 L of solution.
What is the general rate law expression for this process? c. Calculate the half-life for elimination of the poison from the body. d. Calculate the total time that the deliberate Vitamin K1 treatment is required to reach a safe level, 10 micrograms..
determine the osmotic pressure of an aqueous solution containing 250 g of glucose c6h12o6 in a total volume of 1.0 l
A gas mixture contains helium and oxygen at partial pressures of 255 torr and 0.450 atm. what is the total pressure, in mmHg, of the mixture after it is placed in a container on-half the volume of the original container
what was the delta t for the metal? c) how much heat flowed into the water? d) taking the specific heat of water to be 4.18J/gC, calculate the specific heat of the metal e) what is the approximate molar mass of the metal using the equation MM=25/S..
Naturally occurring cobalt consists of only one isotope, 59Co, whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt, 60Co, relative atomic mass 59.9338, is utilized in radiation therapy for cancer.
The oil of nutmeg is known to consist of many other organic compounds besides trimyristin. What does the purity of the distillate indicate about these other compounds
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