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What is the value of q when 7.12g of water vaporizes at 373 K? The enthalpy of condensation of water at 373 K is -40.7 kJ/mol.
at ordinary body temperature 37 the solubility of in water in contact with air at ordinary atmospheric pressure 1.0
How many liters of H2 at 23.0C and 733mm Hg are released when 1.98g of Na reacts with unlimited water?
The distribution constant for the metabolite between ligroin and an aqueous solution is 11.8. You extract 50.0 mL of an aqueous solution that is 0.0350 M in the metabolite with 25.0 mL ligroin. What is the concentration of the metabolite in the aq..
What is the energy change when the temperature of 14.4 grams of liquid mercury is decreased from 37.9 C to 24.4 C
Rank the following compounds in order of lowest to highest melting point. KCl CH3-O-CH3 CH3-CH2-CH3 CH3-CH2-NH2
a 4.50-g sample of CaO is reacted with 4.34 g of H2O. how many grams of water remains after completion of reaction?
CaCO3(s) CaO(s) + CO2(g) H°rxn = 175 kJ How will the amount (not concentration) of CaCO3(s) change with the following stresses? CO2(g) is removed. CaO(s) is added. The temperature is increased. The volume of the container is decreased.
In a typical experiment, you drop a gelatin capsule containing 0.1458 g of an Al-Zn alloy sample into an HCl solution. a) Write the equations that represent the chemical reactions that take place after the capsule has dissolved in HCl?
Determine the molality and molarity of the HCL, if the solution has a density of 1.20 g/ml.
A solution is made by dissolving 535 mg of this protein in 10.0 mL water. Calculate the osmotic pressure of this solution at 37.0°C in mm Hg.
If 1.500 g of a solute having a molar mass of 125.0 g were dissolved in 35.00g of camphor, what would be the resulting freezing point of the solution.
iron has a reported average atomic mass of 55.85 amu. if iron has two isotopes one of which has 29 neutrons and an
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