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Estimate the mass of KHP that will require 25 mL of 0.10 M NaOH to reach the equivalence point in a titration. Give the chemical equation for the reaction.
How does the entropy of the system PbI2(s) + H2O(l) change as PbI2(s) dissolves in water at 25°C?
Calculate the heat released when 71 g of steam at 116 degrees C is converted to water at 39 degrees C.
Assume the total heat capacity of the air C air=30 J/K. Describe what's the likely ice will ne after the system reaches equilibrium. b) Estimate theliekly final temperature after reaching equilibrium
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
Calculate the total volume of gas (at 133 degrees C and 758 mmHg) produced by the complete decomposition of 1.56 kg of ammonium nitrate.
the partial pressure of oxygen in the atomsphere is 0.20 atm, what is the solubility of dissovled oxygen in blood? recall that the soulibilty of oxygen constant
liquid stream containing ethane and propane enters a flash chamber operated at 80 oF and 300 psia. Leaving the chamber, the vapour stream flow rate leaving the chamber
The half of cesium-137 is 30.2 years. If the initial mass of sample of cesium-137 is 1,000 g, how much cesium will remain after 151 years.
Sodium peroxide (Na2O2) reacts with water to form sodium hydroxide and oxygen gas. Write a balanced equation for this reaction and determine how much oxygen (in grams) is formed by the complete reaction of 35.23g of Na2O2.
What is the maximum number of electrons in an atom that can have the following set of quantum numbers?
it is observed that a volume of 29.15 mL of KOH was neede to complete the process of titration. Determine what is the concentration of this unknown HCl solution?
How many liters of CO2 are produced when 15 liters of O2 are consumed
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