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Explain with appropriate illustriation the concept of Resonance stabilization of propan-2-one
A solution is made by dissolving 3.14g of NaCl in 79.9mL of water. What is the concentration of sodium chloride in units of weight/volume percent?
a sample of oxygen is collected in a 206 ml container over water at 15c and the barometer reads 793 torr. what volume
What is the molarity of the HCl solution if 270 mL of the HCl solution reacts with magnesium to produce 7.40 L of H_{2} gas measured at STP.
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 20.0g of luminol into a total volume of 75.0 mL of H 2 O .
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the weak acid H2CO3 (aq)
Compare the heat produced by the complete combustion of 1 mole of methane (CH4) with a mole of water gas (0.50 mole H2 and 0.50 mole CO) under standard conditions
A student determined the following percent transmittances for a 0.5 M chromium ion solution using a spectronic 20 spectophometer. which wave length has the greatest absorbance
A solution formed by mixing 11.0 ml of 0.110 M HBr with 25.0 Ml of 0.190 M HCl. what is the ph of the strong acid?
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching fequency, we would not have expected to observe the late stretching mode in the infrared spectum. Why
To cool a volume of water from 176° K to 100° K, 7.9 x 104 J of heat energy must be removed. What is the volume of water that was cooled?
What determines whether a group on a benzene ring will be activating or deactivating and ortho para
compounds x and y have the formula c6h12.nbsp both x and y react with one molar equivalent of hydrogen in the presence
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