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The product of furan as well as maleic anhydride in diethyl ether reacts at room temperature moreover forms the exo products as the major product. This product decay at its melting point while most other Diels Alder adducts with maleic anhydride do not. Why?
a 14 ml solution of succinic acid has a concentration of 10 mm. this solution is titrated with 8 mm lithium hydroxide.
Ca3(PO4)2 + 3 H2SO4 -> 3 CaSO4 + 2 H3PO4. Presume the reaction is carried out starting with 103 g ofCa3(PO4)2 as well as 75.0 g of H2SO4. Which substance is the limiting reactant.
The isotopes of Chlorine are 35 Cl and 37 Cl, while the atomic mass is 35.5 Cl. In one molecule of chlorine, Cl2, it is possible to have one of each isotope. How many neutrons are present in this molecule
Predict whether a reaction will occur in aqueous solution between the following pairs of substances. If a reaction does occur derive the net ionic equation. Specify the driving force : Precipitate formation (P) Water formation (W)
A stream of air enters a 7.50-cm ID pipe at a velocity of 60m/s at 27C and 1.80 bar (gauge). At a point downstream, the air flows through a 5.00 cm ID pipe at 60C and 1.53 bar (gauge). What is the velocity of the gas at this point
In the reaction Na + H2O ? NaOH + H2, which of these is true. a. Sodium is oxidized b. Water is oxidized c. Hydrogen is oxidized d. Oxygen is oxidized
calculate the number of moles of h2o that will be produced by the reaction of .530 moles of solid aloh3 with excess
24.6g of a hydrated salt of MgSO4.XH20, gives 12.0g of anhydrous MgSO4 on heating. What is the value of x?
A 20.0mL sample of 0.50 M H2C6H6O6 ascorbic acid, a diprotic acid was titrated with .50 M NaOH. The subsequent data were gathered during the titration. Explain what is Ka2 for ascorbic acid
Acetylene gas, , burns in oxygen to produce carbon dioxide and water. If 60.4 g of CO2 are produced when 22.62 c2h2 react with sufficient oxygen, what is the percent yield for the reaction
Is 4,5-dimethyl-2,6-octadiyne chiral. f chiral, give the number(s)(from the IUPAC name) of all chirality center(s) present (increasing numberical order, separated by a comma, no space).
calculate the percent of a strontium sample left after 100 years. the half-life of strontium-90 is 28.1
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