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Concentrated H2SO4 is 96% by weight H2So4 and has a density of 1.84 gm/ml. Calculate the volume of concentrated H2SO4 acid required to make 150 ml of 4 M H2SO4
what is the net ionic equation potassium hydroxide and iron(III) nitrate.
Identify the following systems as open, closed, or isolated. i) Coolant in a refrigerator coil ii) The combustion of liquid hexane in a bomb calorimeter
A gas expands and does P-V work on the surroundings equal to 285 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
Two molecules of 1,3-butadiene (C4H6) react to form 1,5-cyclooctadiene (C8H12). As the Reaction proceeds, the pressure in the container falls, because two gas molecules are consumed to produce one product molecule.
A weak acid, HA, has a Ka value of 3.86 x 10-9. What is the Kb of A-. Use E notation and 3 significant figures.
Suppose that a fully charged lead-acid battery contains 1.50 of 5.00 . What will be the concentration of in the battery after 2.50 of current is drawn from the battery for 8.50
There are no results for a heat engine cycle is executed with steam in the saturation dome between the pressure limits of 7 and 2 MPa. If heat is supplied to the heat engine at a rate of 150 kJ/s, calculate the maximum power output of this engine ..
Consider a system with four energy levels: 0E, 1E, 2E, 3E, where E is kT (E can be represented by epsilon and T is 100K). Assume that there are 10 particles. Provide an expression for energy, heat capacity and entropy. Plot all as a function of T
Calculate the activation energy of this reaction in kJ/mol At what temperature would the half-life be 12.0 min?
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
The resulting equilibrium solution has a pH of 10.56. What is the Ksp of the salt at 22 °C?
Write chemical equations for the reaction of fluorine with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations. If no reaction occurs, write noreaction
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