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A solution is .450M in HNO3 and 1.3M in Ba(NO3)2. what is the concentrations of No3 in the solution?
Write the balanced equation for the yeast using glucose to produce energy, ethanol and carbon dioxide.
What is the osmotic pressure of a solution prepared by dissolving 4.00 g of CaCl2 in enough water to make 540. mL of solution at 28.5°C?
At 1000 deg. K, a sample of pure NO2 gas decomposes. 2NO2(g)f/r2NO(g) + O2(g) The equilibrium constant Kp is 158. analysis shows that the partial pressure of O2 is 0.14 atm at equilibrium.
A reaction mixture initially contains 2.8M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6 ?
In a perfect system when warm water is added to cold water, all of the heat energy released would be absorbed by the cold water.
The following data were recorded in the analysis of erythropoietin in a plasma sample, as mg/dL. Which of the results, if any, could be statistically rejected with 95% confidence?
Molar concentration, 2.20g of solid NaOH are added to 250mL of a 0.10M FeCl2 solution. Given that Ksp for Fe(OH)2 is 1.6 x 10 -14, calculate the following
what is the molecular formula for a substance that contains in 1.00 mole of sample 1.00 mole of S, 24.1 x 10^23 atoms of F, and 71.0 grams of Cl
Starting with 1-pentanoic acid and using any other reagents, outline synthesis for 1-penten-2-ol
The first step in the citric acid cycle of food metabolism is reaction of oxaloacetate with acetyl CoA to give citrate. Propose a mechanism, using acid or base catalysis as needed.
How many grams of water can be cooled from 34°C to 11°C by the evaporation of 85 g of water? (The heat of vaporization of water in this temperature range is 2.4 kJ/g. The specific heat of water is 4.18 J/g-K.)
a sample of KHC2O4 weighing 0.717g was dissolved in water and titrated with 23.47 mL of an NaOH solution. caluculate the molarity of the NaOH solution.
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