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A 30.0 mL sample of sulfuric acid (H2SO4) is completely neutralized by 20.0 mL of 0.25 M sodium hydroxide (NaOH) solution. What is the molarity of the sulfuric acid solution?
a .350 g sample of a biomolecule was dissolved in 15.0 g of chloroform and the freezing point depression was determined
An aqueous copper(II) sulfate solution is electrolyzed for 3 hours with a 1.8 ampere current
Calculate the equilibrium concentrations of H3O^+, A^-, and HA in a 0.040 M solution of the acid, along with the pH of the solution.
What is the % barium in an alloy if it takes 22.0 mL of 0.875M sulfuric acid solution to react with all the barium in a 7.59 g sample of the alloy
The specific heat of aluminum is 0.21 cal g°C. How much heat is released when a 10 gram piece of aluminum foil is taken out of the oven and cools from 50 to 10 °C?
Identify the most important types of interparticle forces present in the solids of each of the following substances. Ar, HCl, HF, CaCl2, CH4, CO, NaNO3
which of these solutions has the lowest freezing point?a. 0.25 m naclb. 0.5 m naclc. 1.5 m nacld. 2.0 m
A zero-order reaction has a constant rate of 3.20×10-4 . If after 60.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion, the temperature of the water is 26.55 C.
Phosgene, COCl2, is the chemical warfare gas commonly called mustard gas. It decomposes as written below. At 900 C, the Kc= 0.83. Assume 0.400 mol of COCl2 are admitted into a 2.00 L container at 900C.
Structural differences between valine and glutamic acid. How does the structural difference between valine and glutamic lead to the improper folding of the hemoglobin protein?
Assuming the density of the solution is 1.00 grams/mL, what is the molar mass of the enzyme?
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