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Calculate the correct volume of sulfuric acid which will need to be added to neurallize the base. The chemical reaction involves Al(OH)3 and Fe2O3 reacting with KOH and H2SO4 with the end product being KAL(SO4)2*12H2O.
A 1L flask is filled with 1.00 g of argon at 25 C . A sample of ethane vapor is added to the same flask until the total pressure is 1.20 atm. What is partial pressure of Argon and ethane in the flask?
A 0.456 gram sample of an unknown mono protic acid (let's call it HZ) was dissolved in some water (you pick the amount). Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH.
You decide to put your growing knowledge of chemistry to profit by making and selling boutique soaps that are ultra mild and have an almost neutral pH. What is the pH of your best liquid soap made from a fatty acid that has a pKa value of 2.0? The..
what is the change in pH after addition of 10.0mL of 1.0M sodium hydroxide to 90.0mL oof a 1.0M NH3/1.0M NH4+ buffer? (Kb for ammonia is 1.8 X 10-5)
A solution containing 50.0 g NaNO3 in 75.0 g of H20 at 50°C is cooled to 20°. How many grans of NaNO3 remain at 20°.
Why must we know both in order to explain the physical properties of the molecule. physical properties to be considered are solubility and the points when the molecule changes states
A proton in a linear accelerator has a de Broglie wavelength of 117pm. what is the speed of the proton?
Three isotopes of argon occur in nature - 36Ar, 38Ar, 40Ar. Calculate the average atomic mass of argon to two decimal places, given the following relative atomic masses and the abundances of each of the isotopes: argon
Find the equation for the work of a reversible, isothermal compression of 1 mol of gas in a piston/ cylinder assembly if the molar volume of the gas is given
calculate the resulting molarity when 50.0ml of 2.13M sodium Chloride solution is mixed with 80.0ml of 1.45M
The boiling point of ethanol is 78°C. How much heat is required to heat 100 grams of ethanol from 25°C to its boiling point and then to turn it into a vapor
Arrange the bases in increasing order of strengths. I) deuterated ammonia (ND3) Kb = 1.1 × 10?5 II) hydrazine (NH2NH2) Kb = 1.7 × 10?6 III) ammonia (NH3) Kb = 1.8 × 10?5
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