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2750 ml sample of 3 ml Hcl solution is treated with 4.66g of magnesium . Calculate the concentration of the acid solution after all the metal has reacted. Assume that the volume remain unchanged--------------- m HCl
Estimate the final temperature of the gas if 58g of air at 25 degrees Celsius and 50 bar undergoes a Joule-Thomson throttling to a final pressure of 1 bar. Assume the Joule-Thomson coefficient is independent of temperarture and pressure.
If 25.6 L of NO2 forms, measured at 35°C and 605 mm Hg, what is the percent yield?
The most common error students make during a titration is that they add extra NaOH past the endpoint causing the solution to change a dark pink color.
Keep in mind that it will be too thick and greasy to insert in a capillary tube. Also, remember that the melting point of vegetable oil is well below room temperature.
A solution containing Pt4+ is electrolyzed with a current of 5.00 A. How long will it take to plate out 77% of the platinum in 0.50 L of a 0.010 M solution of Pt4+?
4 KO2 + 2 H2O + 4 CO2 ==> 4 KHCO3 + 3 O2 How many moles of O2 will be produced if 5.17 moles of CO2 react completely?
In a reaction between pure acetic acid and sodium bicarbonate, 10.1 grams of sodium bicarbonate was added to 21.0 mL of acetic acid. Which reactant is the limiting reactant in this reaction?
After completing the orbital diagram of each element, determine the number of unpaired electrons for the following elements: Titanium Phosphorus Copper Selenium Fe+2 Na+ Mn+4 Cl+3
Olympic cyclists fill their tires with helium to make them lighter. A cyclist filled her bicycle tire, which has a volume of 855 mL, to a pressure of 8.5 atm at 25 C with helium.
Acetone, the solvent in some nail polish removers, has a density of 0.791 g/mL. What is the volume of 20.4 g of acetone?
What amount of the excess reagent remains after the reaction is complete in grams?
Calculate the equilibrium constant, K. (e) Which side of the reaction (reactants or products or neither) is favored structurally?
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