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Explain the theory and feature of Fluorescence spectroscopy, and what are advantage and disadvantage of it, and when we do experiment what aspects need to attention?
Draw the alkyl bromide(s) you would use in a malonic ester synthesis of ethyl 2,2-dimethylpropanoate.
Tetrahedral complexes of Co2+ are quite common. Use a d-orbital splitting diagram to rationalize the stability of Co2+ tetrahedral complex ions.
In a certain chemical reaction, 7.29g of compound A is added to 5.70 g compound of B. Once the reaction is complete, 3.60 g of compound A and 1.17g of compound B remain. What is the mass of products was produced
1.what is the ph of the solution created by combining 11.50 ml of the 0.10 m naohaq with 8.00 ml of the 0.10 m
The right arm is open to the atmosphere (Patm=783.0 Torr) and the height of the mercury in that arm is 40.00 cm. What is the pressure of the sample of gas
the standard enthalpy change for the following reaction is 104 kj at 298 k. c3h8 g 3 csgraphite 4 h2g deltahdeg 104
Determine the empirical formula of each of the following compounds. Type your answer using the format CH4 for CH4 and list the elements in the same order as they are mentioned in the problem.
Place the following molecules and ions in order of increasing bond angle about the central atom, and explain decision
Dry ice (solid CO2 ) has occasionally been used as an "explosive" in mining. A hole is drilled, dry ice and a small amount of gunpowder are placed in the hole, a fuse is added, and the hole is plugged.
if 8.40 grams of C are burned, how much heat will be released for the following balanced reaction: C + O2 -> CO2 + heat (393 KJ)
suppose sulfur dioxide reacts with oxygen at 25 degrees celsius.2so2 g o2 g -gt lt- 2so3 gthe equilibrium constant kc
the density of aluminum is 2.70 gcm3. a piece of foil that is 10.00 cm on each side has a mass of 440. mg. how thick is
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