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a 450.0 ml sample of 0.273 M soultion of silver nitrate is mixed with 400.0 ml of 0.200 M calcium chloride. What is the concentration of cl- in solution after the reaction is complete
A current of 0.0100 A is passed through a solution of rhodium sulfate, causing reduction of the metal ion to the metal. After 3.00 h, 0.038 g of Rh has been deposited. The charge on Rh is +3. What is the formula for rhodium sulfate
What is the change of H for the following reaction at 273 K?
Assume that you are carrying out the dehydration of 1-methylcyclohexanol to yield 1-methylcyclohexene
What is the osmotic pressure of a solution made from dissolving 90.0 g of glucose, rm C_6H_{12}O_6, in 650 mL of water at 14.0{^circ}C.
which is the stronger acid HCL or HBR and which is the stronger base Cl or Br?
A 0.150 M aqueous solution of the weak inorganic acid HA was prepared from the pure compound, and three 50.0 mL aliquots were transferred to 100.0 mL volumetric flasks.
Historically, the solid residue that is left after the methylene chloride solution is evaporated has a lower melting point that its literature value, due to impurities. Explain what impurities are present and why.
NO(2) + CO--> NO +CO(2) is 125 Kj/mol and delta E for reaction is -216 kJ/mol. What is the activation energy for the reverse reaction. (NO+CO(2)--> NO(2) +CO
solvents in addition to acetone could be used for extracting plant photosynthetic pigments
When ethyl ether is heated with excess HI for several hours, the only organic product obtained is ethyl iodide
What is the major product produced from the reaction of 2-methyl-2-butene with 30% HBr?
Identify the atom whose electron configuration is [Ar]3d74s2. Write the one or two letter symbol for the element. How many unpaired electrons are there in the ground state of this atom
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