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Compute G at 298 K if the reaction mixture consists of 6.9atm of H2, 5.0atm of F2, and 0.47atm of HF.
Caprylic acid (144.21g/mol), pKa= 4.89, density= 0.910 g/cm3, solubility= 0.068g/100mL, melting point= 16.7 c, boiling point= 239.7 c. What is the pH of a saturated aqueous solution
Consider the following chemical equation. A) Fe2O3(l) + Al(l) --> Fe(l) + Al2O3(s) If 25.0 g of molten iron(III) oxide reacts with 475 g of aluminum, what is the mass of the iron produced
a gas cylinder filled with nitrogen at standard temperature andpressure has a mass of 37.289g. the same container
Aspirin is a weak monoprotic acid with a ka of 3.27 X 104. Assume you dissolve 0.650 g of aspirin in 200 mL of water as well as titrated it with 0.100 M NaOH.
What is the freezing point of a 28.6% (by mass) aqueous solution of HCl. Assume the HCl is 100% ionized.
If we took EXACTLY 1.00 ml of a 1.000 M solution of Cu(NO3)2 and placed it in 99.000 ml of water and mixed it, then took 2.00 ml of this solution and placed it in 18.000 ml of water.
How many grams of dry NH4Cl need to be added to 2.00 L of a 0.600 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.89. Kb for ammonia is 1.8 X10^-5.
a student ran the following reaction in the laboratory at 736 kn2g 3 h2g 2 nh3gwhen she introduced 3.63e-2 moles of
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
If 1.13 x 104J of heat is added to a water sample as well as the temperature rises from 88.0c to its boiling point, what mass of water is in the sample
a saturated solution of copper(I) chloride, CuCl, has [Cu^+]=1.1x10^-3 M and [Cl^-]=1.1x10^3 M. what is the value of Ksp for CuCl
What mass of benzoic acid, would you dissolve in 300.0 of water to produce a solution with a = 2.75?
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