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What is the pH of the resulting solution if 15.0 ml of 0.450M NaH2PO4 is mixed with 20.0 ml of 0.350M Na2HPO4? The pKa value of the HPO4^2-/H2PO4^- buffer system is 7.20
Which components of an acrylamide gel effects qualities of the final product, and which components affect the speed of polymerization?
Determine the root-mean-square speed of CO2 molecules that have an average kinetic energy of 4.21*10^(-21) J per molecule.
When 1 mole of H2(g) reacts with C2H4(g) to form C2H6(g) according to the following equation, 137 kJ of energy are evolved. What is the value of q?
The catalytic converter on your automobile contains small amounts of a precious metal catalyst. Which of the following components would you expect to be decreased in your tailpipe emissions.
Draw the monobromination product that would be obtained from the radical bromination of methylcyclohexane? which product would obtained in greatest yield?
Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 X 10^-7. Its unionized form is yellow and its conjugate base is blue. What color would a solution have at pH=5.8?
Write out the balanced net ionic equations representing the reactions that occur when iron (III) in water reacts with: A) Hydrochloric Acid.
Calculate the molar mass of a vapor that has a density of 1.58 g/L at 23.2 oC and 610. torr. 2. If the volume of a container is 39.4 L. and the container holds a gas at 13.2 oC. and 7.00x104 torr.
If I burn 0.315 moles of hexane (C6H14) in a bomb calorimeter containing 5.65 liters of water, what's the molar heat of combustion of hexane is the water temperature rises 55.4 ºC? The heat capacity of water is 4.184 J/g ºC .
At a given temperature, 1.40 atm of H2 and 2.03 atm of I2 are mixed and allowed to come to equilibrium. The equilibrium pressure of HI is found to be 1.305 atm. Calculate Kp for the reaction at this temperature.
calculate the wavelength of the emitted radiation if an electron in a hydrogen atom went from n = 4 to n = 1. in what region of the electromagnetic spectrum(e,g.X-ray, visible, infrared) would this radiation lie?
Could someone please help me with this post lab question fororganic chemistry. Draw the structure of the triglyceride formed from oleic acid,linoleic acid, and stearic acid
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