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Describe the procedure you will use to determine those cation/anion pairs that produce precipitates. Make sure you include all equipment and amounts of materials you expect to use
Find the pH of the equivalence point and the volume (mL) of 0.0740 M KOH needed to reach the equivalence point in the titration
Calculate the temperature change which will be caused by the following process: 0.640 moles of NH4Cl are dissolved in 1.00 L of water.
Use the standard reduction potentials to find the equilibrium constant for the following reaction at 25 degree Celcius:
It is found for the reaction A + B > C that doubling the concentration of either A or B while keeping the other one constant quadruples the reaction rate. Write a rate law for the reaction
A tank with a flat bottom of area A and vertical sides is filled to a depth h with water. The top of the water is at atmospheric pressure. (a) What is the absolute pressure at the bottom of the tank. (b) How high could a faucet be placed before no..
Using complete sentences, respond to questions 1-5 using the equation below. Be sure to explain your reasoning.
designing and preparing aqueous buffer solution with the ph indicated.ph3.50your buffer solution must have the capacity
what are the main sources of error in a calorimetry experiement. describe at least three errors.
What is the percentage yield if 465 grams of hydrogen reacted with excess nitrogen and 455 grams of ammonia is formed N2 (g) + 3 H2 (g) 2NH3(g)
Calculate the ?(wavelength) (m) associated with an electron that travels at 50% of the speed of light. (Mass of an electron = 9.11 × 10-28 g)
How much heat is absorbed when 28.3g H2O(s) at 0 degrees celcuis is converted to liquid at 0 degrees celcius
Combustion of 2.80 g of this compound produced 5.59 g of CO2 and 2.29 g of H2O. What is the empirical formula of the unknown compound?
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