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Once the solvent front reaches the top of the chromatographic paper,solvent begins to evaporate from the top edge of the paper, and the remaining solvent continues to move up the paper. predict the effects of this situation on the locations and resolution of the cation spots
identities of the components in a mixture by Gas chromatography may be determined by the technique called "spiking".
What volume of .100 M NaCl is needed to react completely with 5.00mL of .200 M Pb(NO3)2.
Disregarding any other losses and treating the animal as a closed system, what was the change in internal energy of the animal?
When using a medicine dropper or a meat baster, you squeeze the rubber bulb and insert the end of the tube into a liquid. Why does the liquid rise inside the dropper or baster when you release the bulb?
Find the standard free energy change in G at 25 C for the following reaction using standard free energies of formation. What is the value of K at 25 C for this process?
A student evaporated 100.0 mL of a saturated TlCl solution and found the solid TlCl she recovered weighed
Suppose that 28g of each of the following substances is initially at 28.0 degrees celcius. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
Determine the intermolecular distances for the two molecules and account for their similarity or difference.
Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.
Solution is prepared by mixing 0.025 l of 3e-3 m BaCl2 and 0.025l of 2e-3 m of na2co3. Ksp= 2.6e-9 for baco3. Write balanced equation with correct state
what would happen to the molar mass of the solute if the thermometer used actually read 1.4 degrees Celsius too high?
Calculate the concentrations of all species in a 0.750 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
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