Calculate the mass of ethylene glycol
Calculate the mass of C2H6O2 that must be added to 1.00 kg of ethanol, C2H5OH,to reduce its vapor pressure by 13.2 torr at 35 degree celsius. The vapor pressure of pure ethanol at 35 degree celsius is 100 torr.
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The initial volume of the balloon is 5.00 L, and the pressure is 760 mmHg. The balloon ascends to an altitude of 20 km, where the pressure is 76.0 mmHg and the temperature is -50 degrees celsius. What is the new volume,V2 , of the balloon in liter
A bottle containing 1 kg of water (18.01g/mol) is boiled until evaporation is complete. Find w, q, U, H for the process. Hvap = 40.6kJ/mol. My question is when we find the w what temperature we use (room temperature or 100 C)
What is the maximum number of electrons that can have a principal quantum number of 3 within one atom
While only nanogram amounts are available, spectroscopic analysis (X-ray photoelectron spectroscopy, etc.) suggests that setonium is in the same family as chromium and will share many of its chemical properties, including most common oxidation sta
Use standard enthalpies of formation to determine Horxn for: 3NO2(g) + H2O(l) ? 2HNO3(aq) + NO(g) Enter in kJ. -133.5 Find the change in internal energy for this reaction.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.500 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
Write a balanced equation for the reaction that occurs when hydrogen sulfate ion behaves as a Brønsted-Lowry acid in water.
The rate constant for a certain reaction is = 6.10×10?3 . If the initial reactant concentration was 0.750 , what will the concentration be after 18.0 minutes
Radical chlorination of 2-bromopropane produces all possible monochlorinated products. How many constitutional isomers are formed. How many of these constitutional isomers are chiral
Oxygen is more electronegative than nitrogen, fluorine is more electronegative than the other halogens. Fluoride is a stronger field ligand than the other halogens, but ammonia is a stronger field ligand than water. Why
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