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1. Write the net ionic equation for the precipitation of aluminum hydroxide?
2. Write the net equation for the precipitaion pf lead sulfate from aqueous solution?
3. Write the net equation for the precipitation of chromium(III) phosphate from aqueous solution?
write net equations for the acid-base reactions that occur when the given aqueous solutions are mixed. Determine the value of the equilibrium constant. Use single arrows for the extensive reactions (K>1000) but double arrows otherwise.
Calculate the pH at 25 degree C of .25 aqueous solution of phosphoric acid (H3PO4). (Ka1,Ka2, and Ka3 for H3PO4 are 7.5x10^-3, 6.25x10^-8 and 4.8X10^-13
Why are there axial and equatorial hydroxyl isomers for 4-tert-butycyclohexanol, but not for cyclohexanol
A 50.0 mL sample of 0.40 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.48 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5
In an electrolysis cell similar to the one employed in this experiment, a student observed that his unknown metal anode lost 0.238 g while a total volume of 84.90 mL of H2 was being produced.
A copper penny can be dissolved in nitric acid but not in hydrochloric acid. Explain why in terms of E? Explain what would happen as the newer pennies are added to nitric acid and hydrochloric acid.
a styrofoam cup holding 116 g of hot water at 1.00 102degc cools to room temperature 16.1degc. what is the change in
What mass of Cl2 gas will occupy the same volume at 10 C as that occupied by 3.20 g of SO3 gas at 40 C if the pressure of the two gases is the same
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 21.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142 km trip in Europe?
calculate the mass percent of a solution in which 176 of is dissolved in 3.08 of water at 25 density 0.997
A thermometer indicates that water freezes at 0.5 degrees Celsius and boils at 100.2 degrees Celsius at a barometric pressure of 760 torr. The observed freezing point of an unknown liquid is -1.3 degrees Celsius.
Question- Calculate the theoretical yield for water in grams, if you start with 25.0 grams of methane. CH4 + O2 = CO2 + H20 unbalanced.3
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