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What products are formed from acid-catalyzed hydration of racemic (±)-4-methyl- 1-hexenc? What can you say about the relative amounts of the products? Is the product mixture optically active?
why is the identity of an element determined by the number of protons in its nucleus? why cant the identity be
Report the actual mass of H2O delivered to the flask. (Density of water = 1g/mL at 25°C.) (Poured 100mL of water in flask)
What happens to some solute during crystallization when too much solvent is evaporated and what do you do
Glass will dissolve in concentrated solutions of either NaOH or KOH. At 25C the two reactions below tae place at the same rate. 4NaOH + SiOH2 -->Na4SiO4 + 2H2O is reaction 1. reaction 2 is 4KOH + SiO2 ---> K4SiO4 + 2H2O
23.5 g sample of pure iron at 66°C is dropped into 89 g of water at 25°C. What is the final temperature of the water-iron mixture?
3 State what happened when 2 drops of concentrated hydrochloric acid are added to the bromophenol blue indicator. Explain the change in terms of equilibrium.
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 94.11 g/mol, how many grams of this compound must you burn to release 256.70 kJ of heat
The enthalpy of combustion of n-Butanol, and the enthalpies of formation of CO2(g) and H2O(l), are shown below. Use the information given to calculate the enthalpy of formation of n-Butanol
A student has a sample of the mixed salt PbCO3 X Pb(OH)2. In a mixed salt two compounds are mixed together in one crystal. X represents the mole ratio between the two compounds, and is usually a small whole number.
Question- Using aqueous HCl, sodium bicarbonate, Or NaOH solutions devise a separation scheme to separate the following compounds. Use ether as the organic phase in each extraction step. Recover in neutral form. Draw the structures, not formulas o..
bathed by an atmosphere of nitrogen at 77K and 1 bar? Assume every nitrogen molecule that strikes the surface sticks and that a nitrogen molecule covers an area of 1.1e^5 pm^2.
Biocarbonate ion can react in water to produce hydroxide ions and carbonic acid according to the equation below.
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