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Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.022 moles of sulfuric acid is mixed with water to make 607 mililiter of solution, what is the molarity of H+?
What is the total energy of the photons detected in a period of one hour If a radiation detector is capturing 8 X 10^7 photons per second at this wavelength,?
What is the relationship between coordination number, packing, and density (as mass/volume). How do the two more efficient forms of packing compare regarding volume.
Suppose in universe Xacto matter is composed of protons, neutrons, and special matter X. For elements in a, design and draw a new periodic table that makes sense for this parallel universe.
Calculate what will be the amount of heat, q, absorbed by the calorimeter apparatus also express your answer in kJ? (heat capacity = 2.677 x 103 J/K)
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
A particular diatomic molecule which contains H exhibits a 16.95 cm^-1 spacing between its rotational lines and bond length of 141.5 picometers. Determine the mass (in amu) of the unknown atom in the molecule.
A quantity of gas under a pressure of 1.78 atm has a volume of 550 cm square. the pressure is increased 2.50atm while the pressure remains constant what is the new volume.
A sample of vanadium haveing 5.67 grams of mass upon heating combined with oxegen of 4.45gramsto make vanadium oxide. Determine the emperical formula for this compound?
Compute the enthalpy change, , for this reaction per mole of (Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 and 1.00 ] )
Determine What is the final concentration and calculate what is the Ksp of this salt at temperature of 25 degrees Celsius?
Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost
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