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To 250 mL of a 0.065 M solution of barium nitrate is added 100 mL of a 0.121 M solution of sulfuric acid. Determine the concentration of aqueous barium ions remaining in the solution after complete precipitation of barium sulfate.
upon evaluating the contents of a solution, declared that it was a 32 molar solution of ethanol in water. Why is this incorrect?
When a sample of helium gas is charged with electricity, what causes the bright-line spectrum that is observed
Nitrogen dioxide decomposes according to the reaction 2NO2(g) 2NO(g) + O2(g) where Kp = 4.48 × 10-13 at 25°C. What is the value for Kc?
What is the pH of the solution that results from the reaction of 120mL of 0.40 M HF(aq) with 120mL of 0.40 M KOH(aq) at 25 degrees C? Ka for HF is 7.2*10^-4.
The heat capacity of the calorimeter is 2.21 kJ/Degrees Celsius. Using this information, determine the heat of combustion per mole of pentane. Could someone please explain clearly step by step on how to solve this problem.
The IR Spectra of solid benoic acid and liquid acetic acid are shown below. The OH stretch of a carboxylic acid is normally a broad peak from 3500-2500 cm-1. Explain why acetic acid has a very broad intense and prominent peak in this area but benz..
An automobile tire at 32.0 psi at 25.0 Celsius is driven on a trip. At the end of the trip the pressure is 35.0 psi. What is the temperature of the tire in degrees Celsius
The volume occupaied by 1 gigamole of liquid benzene at 25C. The volume occupied by 1 nanomole of Benzene as vapor at STP (assume an ideal gas)
Explain in your own words why an organic chemist would say structure determines properties.
Additional pure propane is added to the system and the system is brought again to equilibrium at 10 bar and 323 K. What is the effect of the propane addition on the mole fractions of propane in the vapor and liquid phases
How many grams of propane (C3H8) are required to heat all of the water in a 50 gallon water heater from 23.4oC to 65.0oC if the water heater (the jacket which contains the water)
how are observations and testable experiments used to distinguish whether something is a theory
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