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Problem- What is the equivalence point pH for the titration of 100 mL of 0.155 M HCNO (Ka = 2.0x10-4) with 100 mL of 0.155 M LiOH?Explain each step to get the answer
Determine the solution for the above problem express your work in detail
The inital temp of the water was 25.2 degree c. At equilibrium the temp of the water and metal was 30.4 degreec -what was the change of temperature in the water
State a chemical equation for addition reactions to produce 3-hydroxy 3-methyl hexane. Condensed structural formulas must be used for each organic compound
A beaker with 165 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.80 mL of a 0.360 M HCl solution to the beaker. How much will the pH..
Briefly explain why a volumetric pipet with a chipped or broken tip is usually useless,while a buret with a chipped or broken tip can still deliver accurate volumes.
when methane CH4 reacts with oxygen gas O2, water and carbon dioxide are formed. if 25.0 liters of oxygen reacts at 125.0C and 2.00 atm with 22.00L of methane initially
Explain why ice often forms on the valve of a tank of compressed gas (high pressure) when it is opened to the atmosphere and the gas escapes. Where does the H2O come from
In his explanation of the photoelectric effect, Einstein stated that the incident radiation had to have a minimum energy to dislodge the electron from the metal surface. This energy is called the work function.
Ethanol has a molar mass of 46.08g/mol and a density of 0.789g/mL. It is a clear, colorless liquid that dissolves readily in water. How many milliliters of ethanol would be needed to make 1.20L of a 2.75M solution?
The R1 value of uo2 in the solvent system used in this module is 0.68. explain which of the other cation tests used in this expirment it would interfere with, what alternate tesr reaget you would therefore use to identify that other cation and whi..
What is the purpose of rinsing the pipet twice with aliquotes of the saturated Ca(OH)2 solution
Rank the compounds on relative acidities: H2O, H2C=CH2, NH3, HC(triplebond)CCH3, H3CCH3 (STRONG-->WEAK)
A system is expanded against an external pressure of 2 atm, changing its volume from 10 to 35 L and absorbing 765 J as heat from the surroundings
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