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The pH of a 0.035 M solution of a weak acid, HX, is 4.25. Compute ka for HX as well as the percent ionization of HX in a 0.35 M solution
70.0 l stainless steel container was charged with 3.00 atm of hydrogen gas and 4.00 atm of oxygen gas. a spark ignited
A 86 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
In the combustion reaction of 149 g of propane with excess oxygen, what volume of carbon dioxide if produced at STP?
Using proper 3D (wedge/dash) perspective drawings, draw all of the products of the reaction of methylcyclopentane with Br2 & light, ranking them from the highest to lowest-yield product.
If a mixture of gases contained 78% nitrogen at a pressure of and 22% carbon dioxide at 345 torr, what is the total pressure of the system?
A thermos container has 0.075 kilograms of distilled water at a temperature of 27 degrees Celcius. A 0.0076 kilogram sample of solid ammonium nitrate is dissolved in the water in the Thermos container and the temperature is measured to be 22.4 deg..
Calculate the molar solubility and the solubility of iron (II) hydroxide in pure water then in 0.125M NaOH(aq).
Recall "living" carbon samples show 15.3 d/min*g (carbon). note: CaCO3 is 12.00% carbon, and 14C has a half-life of 5730yr.
A sample consisting of 1.25 g of solid magnesium carbonate was heated to 670°C, where it decomposed. If the heating is carried out in a container fitted with a piston that was initially resting on the solid, calculate the work done by the piston o..
approximately 80 of the mass of a human body consists of aqueous solutions spinal fluid blood etc. these solutions are
Calculate the wavelength of light emitted from a hydrogen atom when it undergoes a transition from the n=6 level to n=3.
Determined atomic weight for the hypothetical element
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