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Is temperature an important factor to consider when determining the Ksp (solubility product constant) when doing this titration and how so?
At constant pressure, in which of the reactions is work done by the system on the surroundings? By the surroundings on the system? In which of them is no work done?
the volume of a sample of oxygen gas collected over water is 258 mL at 27 degrees C and 620.0 torr. Calculate the volume in milliliters of dry oxygen gas at STP. (the vapor pressure of water at 27 degrees C is 26.7 torr.)
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution.
An empty volumetric flask, weighing 60.42 grams, weighed 309.60 grams when filled with water. After emptying the water and drying the flask
How many grams of the strong acid HClO4 must be combined with water to make 400 ml of a solution with a pH of 1.5.
A solution contains 25 mmol of H3PO4 and 10. mmol of NaH2PO4. What volume of 2.0 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?
What conceptual error did he make? Determine the correct empirical formula for this compound.
what mass of neon gas should be introduced into an evacuated 0.55 L to produce a pressure of 80 kPa at 30 degrees celsus
What is the buffer component ratio, ([CH3CH2COO-]/[CH3CH2COOH]) of a propanoate buffer that has a pH of 4.49. Ka of CH3CH2COOH is 1.3 x 10-5.
What mass of copper would be produced by the reduction of copper(II) ions during passage of 1 ampere of current through a solution of copper(II) sulfate for 51 minutes?
If 860 liters of neon at 45°C and 800 mm. are decreased to 700 liters at the same pressure, what is the new temperature of this gas?
Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.
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