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Sketch two pH curves, one for the titration of a weak acid with a strong base and one for a strong acid with a strong base. How are they similiar? How are they different? Account for the similarities and the differences.
A two-component mixture of volatile liquids was separated by gas chromatography using a 15 meter capillary column. The separation was insufficient with this column to see resolution of both fractions.
I need help describing an experiment where one could measure the value of the extinction coefficient of a solution with a concentration (c mol/L) of chlorophyll in water for a given wavelength.
What would be the molar ratio of base to salt for the buffer and how many grams of the salt should be added to the 400 mL of a 0.12 M solution of base to get to the desired pH
A mixture of 2.65 atm of h2, and 2.65 of I2, is contained in a 1.0L vessel at 430 C. The qaullibrium constant (KP) for the reaction H2(g)+I2(g)->2HI(g) at this temperature is 54.3. determine the equilibrium partial pressure of H2,I2 and HI
What reacts with pentene to give you Pentyne. There are to reagents to complete the reaction.
In certain electrolysis experiment involving Al3+ ions, 57.0g of Al is recovered when a current of 0.352 A is used
boron has two naturally occurring isotopes 10b 19.9 and 11b 80.1. although the b2 molecule does not exist naturally on
Propane burns in oxygen to produce carbon dioxide and water. c3h8 +5o2 yeilds 3co2 +4h2o Calculate the math of co2 that can be produced if reaction of 44g of propane and suficient oxygen has a 60% yeild.
Imagine that you have a 7.00 gas tank and a 4.50 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
when a suspension of particles is centrifuged the sedimentation rate of a particle is proportional to the force
A 486 mL sample of water was cooled from 50.0°C to 10.0°C. Assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred from the water to the surroundings.
A lab bench has three one liter stoppered flasks. Flask A contains one gram of NH3 gas, flask B contains one gram of N2 gas, and flask C contains one gram of SO2 gas. All are at the same temperature.
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