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Calculate the H+ ion concentration in a 8.8 × 10-4 M Ca(OH)2 solution. A) 8.8 × 10-4 M D) 1.1 × 10-11 M B) 1.8 × 10-3 M E) 5.7 × 10-12 M C) 2.2 × 10-11 M
The reducing agent in this catalytic hydrogenation reaction was molecular hydrogen (H2), which was produced in situ during the course of the reaction.
Volume of water used, mL: 75.0ml Initial temperature of water: 23.4 degree celsius Mass of salt taken, g: 5g Moles of salt taken, mol: 0.0625mol Highest/lowest temperature,: 24.0/20.1 Calculate heat flow,J and calculate the Enthalpy change,KJ/mol:..
Calculate the mean displacement of the harmonic oscillator when it is in a quantum state ?. Use the Hermite polynomials in the attachment and the recursion relation to justify your answer through symmetry arguments.
In the following conditions calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of pressure. Then one flask is heated to 500K while t..
A student sets up two reactions. Reaction 1 uses 0.290 of reactant, and Reaction 2 uses 0.580 of reactant. How many times faster is Reaction 2 compared to Reaction 1. Express your answer as a multiple of the rate for Reaction 1 to three significan..
write the balanced molecular equation of the reaction performed. include the physical state of each species aq l g or
Titanium(6.94x10^-19 J and silicon (7.77x10-^19 J) surfaces are irradiated with UV radiation with a wavelength of 245 nm. what is the wavelength of the electrons emitted by the titanium surface
A tank contains N2 at 1.0 atm and O2 at 2.0 atm. Helium is added to this tank until the total pressure is 6.0 atm. What is the partial pressure of the helium?
Calculate the molarity of a solution of glycerol made by dissolving 63.000 glycerol at 15 in enough water to make 300.00 of solution.
For a metal salt (MX3) that has a Ksp value of 3.5 x 10-5, what is the delta G for the following reaction? M3+ + 3 X- MX3(s)
the speed of sound in air is 344 ms at room temperature. the lowest frequency of a large organ pipe is 30 s-1 and the
The state function to describe a particle on a sphere is given as Ψ=2sin^2(?)+cos?(θ).calculate the expectation value of its angular momentum about the z-axis, energy and the square of the total angular momentum L^2.
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