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Calculate the expected pH of a 0.100 M of ammonium chloride given that Kb for ammonia is 1.76 x 10^-5.
0.100 moles of NaOH are combined with 0.125 moles acetic acid. The mixture is taken to a final volume of 100.0 ml. What is the expected pH of the solution? Ka = 1.76 x 10^-5
If all of these tires were burned with complete efficiency, by how much (in tonnes) would Earth's current atmospheric load of C02 increase
54.9g of solid aluminum hydroxide, Al(OH)3, is neutralized with 91.9g of sulfuric acid, H2SO4. (a) write a balanced equation of the reaction (b) which one is the limiting reagent
If the inital and final volume readings from a buret are 0.27mL and 28.34mL, respectively, what is the volume dispensed from the buret? What is the volume per drop if 574 drops were dispensed
When blood is donated, sodium oxalate solution is used to precipitate Ca2+, which triggers clotting. A 108mL sample of blood contains 9.7*10^-5g Ca2+/mL
How many grams of oxygen (O2) are needed to completely react with 2.40 g of propane (C3H8) according to the equation below?
Suppose a reaction has a standard Gibbs-free energy of 2.90 kJ/mol, calculate the relative ratio of product to reactant.
Calculate w (in kJ) when 137 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 345 K:
a toothpaste contains 0.24% by mass sodium fluoride to prevent dental cavaties. One tube contains 119g of toothpaste. How many moles of NaF are in the tube of toothpaste.
What is the value of the equilibrium constant at this temperature for the reaction of SO2 with N2O to form SO3 and N2 (balanced with lowest whole-number coefficients)?
Write a balanced equation for the neutralization of potassium hydrogen phthalate (C8H5O4K) with sodium hydroxide. Calculate the mass of potassium hydrogen phthalate that neutralizes 15 mL of an ~0.040 M NaOH solution.
1. determine the volume of 6.4410-2 m adenosine triphosphate atp that is having 1.68 mol of adenosine triphosphate
What volume will carbon dioxide originally 30.0 mL at 27°C have at 77°C
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