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Find the real activity of the anions for solution of 1M H3PO4, which is at 25 degree celsius and assume that all ions present follow the Debye-Huckel limiting law at that concentration (A = 0.509). Besides, it is given that pKa = 2.14 and density of 1M H3PO4 in water is 1.050 g/mL
A car averages 45.00 miles per gallon of gas. How many kilometers can it travel on 10.0 liters of fuel
The PH° of formation values for water vapor and liquid water are -241.82 and -285.83 kJ/mol, respectively. Calculate the PH° of vaporization for water in kJ/mol.
Suppose you have a stoppered ?ask containing CO2 gas at room temperature and pressure. If the volume of your stoppered ?ask is 300.0 mL, the pressure in the room is 770 mm Hg, and the temperature in your work area is 22.0°C, how many moles of CO2 ..
Silver chloride often used in silver plating contains 75.27% Ag. Calculate the mass of silver chloride in grams required to make 4.0 g of silver plating.
Uranium-238 decays very slowly, with a half-life of 4.47 billion years. What percentage of a sample of Uranium-238 would remain after 13.4 billion years.
What are periods in periodic table? How the atomic radii show variation across the period? How the ionization energy varies in moving across the period from left to right? How the electronegativity varies in moving across the period from left to righ..
Chemistry Lab report question. "Cis to Trans conversion": Cis Maleic acid and trans furmaric acid.
1. what possible precipitate might form by mixing 50.0 ml of 1.010-4 m nacl with 50.0 ml of 1.010-6m agno3? will it
using a flow diagram show the separation of a mixture containing p-bromoacetanilide
Compute the value of ΔH ° if the combustion products are CO2 (g) and H2O (g). it isgiven that: CO 2 (g) = ΔHf ° - 393.5 kJmol-1; H 2 O (l) = ΔHf ° -285.8 kJmol-1; H 2 O (g) = ΔHf ° -241.8 kJmol -1.
Suppose you used excess sulfuric acid in all the flasks. How many moles of CO2 would be released in flask 7? The molar mass of sodium carbonate is 105.99 g/mol.
At 850 c caco3 undergoes substantial decomposition to yield cao and co2. assuming that the delta hf values of the reactant and products are the same at 850 c as they are at 25 c calculate the enthalpy change (in kJ) i 198.7 g of co2 are produc..
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