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A 493 mL sample of solution contains 33.2 g of CaCl2. Calculate the molar concentration of Cl in this solution
what volume of 3m sulphuric acid is required to neutralize all of the c7h5nao3 and the excess sodium hydroxide present
Calculate the molar solubility of Cu(OH)2, Ksp = 2.2 × 10-20, in 0.82 M NH3. Don't forget to use the complexation reaction Cu2+ + 4 NH3 ? Cu(NH3)42+, K = 5.0 × 1013.
If molar magnetic susceptibility (Xm) is measured in m^3/mol, what must be the units on B(calibration constant)? what are the units on the 3.7278 in the formula for the magnetic susceptibility of Mohr's salt? what are the units on the 8.07 in the ..
Calculate the minimum number of grams of propane,C3H8 (g) , that must be combusted to provide the energy necessary to convert 3.15kg of ice at -15.5degC to liquid water at 75.5degC. C3H8 (g)
Calculate the difference between the molar enthalpy and the molar internal energy of carbon dioxide regarded as an ideal gas at 298.15K and 754 mmHg
Using the values from appendix C in the text calculate the Entropy and Enthalpy changes for the decomposition of ammonia into nitrogen and hydrogen at 298K and 1.0atm. Then determine the temperature at which the gases are in equilibrium with each ..
If the average kinetic energy of a gas is doubled and the volume remains constant, what is the change in pressure
consider the following reaction where x represents an unknown element6xs 2b2o3s rarr b4x3s 3xo2gif 175 g of x reacts
160 mL that contains 400 mg of NH3 and 980 mg of NH4NO3. (Given: Kb (NH3) = 1.8 x 10-5
At equilibrium the vessel is found to contain 0.566 g of H2. Calculate the equilibrium concentrations of H2, Br2, and HBr and Calculate Kc.
Choose the answer which lists ionic compounds NaCl, MgS, KCl, and K2S in order of increasing lattice energy (smallest lattice energy listed first).
The top of the energy hill in an energy diagram is called the A. downhill reaction B. uphill reaction C. transition state D. energy of the reaction
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