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Question- Write the balanced equation for the reaction of di-tert-butyl dicarbonate with water and its stepwise mechanism with flow of electrons.
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If Sodium hydroxoide has a H+ of 4.2 x 10^ -10, then what is its OH- , pH, and pOH? If hydrochloric acid has a pOH of 11.5, then what is its pH, OH-, and H+? If potasssium hydroxoide has a pH of 2.5, then what is its H+, OH-, and pH?
A student traces of brown deposite during the KMnO4 (NH4)2Fe(SO4)2 titration and quickly add more H2SO4 and continued his titration?Suggest what wil happen and why.
A copper wire (density = 8.96 g/cm3) has a diameter of 0.18 mm. If a sample of this copper wire has a mass of 33 g, how long is the wire?
The U.S. Navy has a system for communicating with submerged submarines. The system uses radio waves with a frequency of 76 s-1. What is the wavelength of this radiation in meters?
What is the molar solubility of lead(II) chloride in a solution that also contains 0.15 M Cl- ions at 25 °C? The Ksp of PbCl2 is 1.6 × 10-5.
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?
The volume of a gas is 2.80 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.11 L
Explain the partial pressure of oxygen was observed to be 148torr, explain when the atmosphere pressure was 787 mmHg. Explain what is the mole fraction of oxygen present in the sample of air
Trees in cold climates may be subjected to temperatures as low as -60 C. Estimate the concentration of an aqueous solution in the body of the tree that would remain
Two 20.0-g ice cubes at -21.0 °C are placed into 235 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
Nitrogen dioxide reacts with water to form nitric acid as well as nitrogen monoxide according to the equation-3NO2(g)+H2O(l)?2HNO3(l)+NO(g) Presume that 3.9mol NO2 and 1.2mol H2O combine and react completely. Explain which reactant is in excess
Jojoba wax in candles consists of stearic acid and a 22-carbon saturated alcohol. Write the structure of jojoba wax.
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