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Phosphorous acid, H3PO3(aq) is a diprotic oxyacid that is an significant compound in industry and agriculture.
Compute the pH for each of the subsequent points in the titration of 50.0mL of a 3.0 M H3PO3(aq) with 3.0 M KOH(aq).
(a) Before addition of any KOH(b) After addition of 25.0 mL of KOH(c) After addition of 50.0 mL of KOH(d) After addition of 75.0 mL of KOH(e) After addition of 100.0 mL of KOH
Geologist can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life
Identify the change in state that does not have an increase in entropy. Identify the change in state that does not have an increase in entropy. Water freezing Dry ice subliming Water evaporating Ice melting Water boiling
To what final volume should you dilute 50.5mL of a 4.30 M KI solution so that 22.5 mL of the diluted solution contains 3.80g of KI
Determine that the other stream leaving the evaporator (stream 4) is 100% H2O. Define the product out of the crystallizer (stream 6) contains 4% H2O (by weight).
How much heat is given off when 11.0 grams of manganese is converted to Mn2O3(s) at standard state conditions? Hf of Mn2O3(s) is -962.3 kJ/mol.
0.50 lbm of water is contained in a closed piston-cylinder system initially at 300of and 500psia. if the water is
What physical property would the student measure to determine SN1 or Sn2 nature of the reaction. What would the student observe if the reaction proceded via SN1 reaction
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
An environmental chemist sampling industrial exhaust gases from a coal-burning plant collects a CO2-SO2-H2O mixture in a 21-L steel tank until the pressure reaches 850 torr at 45oC.
Draw the triacylglycerol (triglyceride) formed from butyric acid (butanoic acid) and glycerol. Show all hydrogen atoms.
Draw the expected trend in the melting temperatures for the lanthanides starting with La and ending with Yb. Support your conclusions by showing the DOS and bonding character plots for the element with the highest melting temperature.
Rate Constant with Temperature Changes, Rearrangement of methyl isonitrile to acetonitrile has activation energy of 25.0 kJ/mol and a rate constant of 8.1*10^-4s-1 @ 80 Celsius.
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