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Consider the reaction: 2HCl(aq)+Ba(OH)2(aq) yields BaCl2(aq)+ 2H2O(l); delta H=118 kJ Calculate the heat when 100.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.100 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0C and that the final mixture has a mass of 400.0 g and a specific heat capacity of 4.18 J/C g, calculate the final temperature of the mixture.
Calculate the atomic weight (in amu) of an element (X), given the following data: 24X : 24.000 amu at 0.7879 fractional abundance 26X : 26.000 amu at 0.1017 fractional abundance 25X : 25.000 amu at 0.1113 fractional abundance
thermometry is the science of temperature measurement.nbsp for a thermometer to work we infer the temperature from the
Calculate the specific heat capacity and the molar heat capacity of mercury.
The heat capacity at constant pressure of hydrogen cyanide is given by the expression Cp[J/(mol ·°C)] = 35.3 + 0.0291T(°C) (a) Write an expression for the heat capacity at constant volume for HCN, assuming ideal gas behavior.
using the concept of a mass balance describe how environmental engineers and scientists model the carbon cycle in the
Calculate the wavelength, in meters of a photon capable of exciting an electron in He+ from the ground state to n = 4
Combustion of table sugar produces CO2(g) and H2O(l). When 1.46 g of table sugar is combusted in a constant-volume (bomb) calorimeter, 24.00 kJ of heat is liberated.
Look up the boiling point of propane. What disadvantages are there to using propane instead of gasoline as a fuel?
Write reactions for which the enthalpy change will be a. Hf for solid aluminum oxide
Develop a mass balance for a continuous diafiltration step and indicate the volumetric flow rates and concentrations of different species in the different streams obtained.
Estimate the number-average molecular weight that is required to give a tensile strength of195MPa.
Assume that losses cannot be offset against revenues from other operations for tax purposes (i.e., no tax credits in years when the plant makes a loss). Estimate the following:
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