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If an H2 molecule had a pure harmonic oscillator potential curve with force constant k = 570 Nm? 1 as well as equilibrium bond length Re of 0.74 Å, approximate the probability of finding the ground state molecule with a bond length of R=2.10±0.01Å. Utilize the midpoint rule to estimate the integral for the probability.
What is the frequency of ultraviolet light with wavelength 2.51 × 10-8 m? (c = 3.00 × 108 m/s)
How many grams are present in 1 gram of potassium-40. Its natural abundance is 0.0117% and its half life is 1.28X10^9 yrs
1. if 12.26l of gas a reacts according to the following equation 2ag3bgagrave9c g 6dgwhat volumes of gases c and d are
Calculate the molar concentration of HCl in a solution that has a specific gravity 1.185 and is 36.5% (w/w). Prepare from this bottle 1 L of 0.1 HCl solution.
A piston has an external pressure of 11.0 atm . How much work has been done in joules if the cylinder goes from a volume of 0.160 liters to 0.580 liters.
The combustion of pentane with oxygen is a well known process. Write a balanced equation for the reaction of pentane, C5H12, with oxygen, O2, forming the products carbon dioxide, CO2, and water, H2O. What mass of carbon dioxide will be produced by..
If solid Potassium Hexacyanoferrate (III) is dissolved in water, what are the formulas of the two major species that are highest in concentration in this aqueous solution
Consider the combustion reaction: CH4(g) + O2(g)= CO2(g) + H2O(l) is this an exothermic reaction. If 100g of CH4 is burned, calculate the heat exchange (balance the equation).
Pheromones are compounds secreted by the females of many insect species to attract males. One of these compounds contains 80.78 percent C, 13.56 percent H, and 5.66 percent O. A solution of 1.00 g of this pheromone in 8.50 g of benzene freezes at ..
A solution has 0.500kg H20 and 14.3g NaCl. What is the mole fraction of H20? The question also says. The number of moles of sodium ions and chloride ions must be accounted for separately in calculating the total number of moles in the solution
If 2.93*10^4 liters of water are required to dissolve 1g of calcium phosphate, and the solubility of calcium phosphate is 3.41*10^-5 g/l. what is the solubility of calcium phosphate in parts per million?
2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 -!> Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed. Answer in units of mol.
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