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Considering the given reaction NO(g) + O3(g)-NO2(g)+ O2(g) and determine the rate constant for the reaction at 75 degrees if the frequency factor A = 8.7 x10^12 s-1 and the activation energy = 63 kj/mol?
Determine the amount of energy involved in calories given off when 85 grams of H2O cools from 45 degrees Celsius to 25 degrees Celsius?
Assume that 0.406 mol Carbon (g) is placed in a cylinder that is expanding. The barometric pressure on the outside of the cylinder is constant at 1.00 atm and the temperature is 300.0 K.
Calculate the density of a block.
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,?
The _______ of a titration occurs when the indicator changes color.
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
using a sample of river water sample analyzed for total inorganic carbon ,The river pH= 7.1 and an inorganic C concentration of 6.97 mg C/L.c
Understanding of chemistry basics - which of the following is not changed by the activity of an enzyme during a chemical reaction?
61.0 mL of a solution(1.60 M) is diluted to a volume of 208 mL. A portion of that solution(104-mL) is diluted using 121 mL of H 2 O. determine the final concentration?
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
Compute the partial pressure of N2 at the surface of theH 2 O in mmHg. The Henry's law constant for nitrogen gas =1.3x 10^-3 mol/L x atm? at 25 degrees Celsius
A mixture of CO2 and N2 gases has an experiment density of 21922 mol/m3 at T=225K and Pressure= 68.759 MPa and Z=1.67661. What is density of this mixture of gases in mol/m3 by Peng-Robinson equation of state? (Mole fraction of Co2= 10.56%)
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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