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What volume of CO2 gas is produced by the complete combustion of 2.6L (C3H8) gas? Assume all gas volumes are measured at the same temperature and pressure.
C3H8 + 5O2 ---> 3CO2 + 4H2O
Five constituionally isomeric monochlorides of molecular formula c6h13cl are formed (along with a mixture of dichlorides, trichlorides, etc.) What is the most reasonable structure for the starting alkane? why?
Calculate the molarity (M) of a solution prepared by dissolving 1.00g of ethanol (C2H6O) in enough water to give a final volume of 101 mL.
Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M NH3. The Kb for NH3 is 1.8 x 10-5.
a calorimeter contains 21.0 ml of water at 11.0 circc. when 2.50 g of rm x a substance with a molar mass of 65.0 gmol
A buffer is to be prepared by adding solid sodium acetate to 0.10 M CH3COOH. Which of the following concentrations of sodium will produce the most effective buffer
The concentration of ascorbic acid (vitamin C) in a new beverage is to be determined using a new electrochemical sensor. A 20.00 mL sample of the beverage gave a reading of 2.05 µA.
What is the mass of the precipate is formed when 170.0mL of 0.200 M MgSO4 reacts wit excess Na3PO4?
The rate of the following reaction is 0.120 M/s. What is the relative rate of change of each species in the reaction
Calculate the "molar heat of dissolution" (kJ/mol). Recall heat capacity of water is 4.184 J/g degrees celsius.
where n increases from zero to fourteen over the series from Lanthanum to Lutetium Select the two ions that have 5 unpaired spins. which 2 would have it?
Oxygen and hydrogen atoms combine to form molecules of wate. At the nuclear leveil, if one oxygen atom and one hydrogen atom were fused
Calculate the solubility of zinc hydroxide Zn(OH)2 in 1.10 M NaOH. Ksp=3.0x10^-16 for Zn(OH)2 Kf=3.0x10^15 for Zn(OH)4^-2
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