Question 2 A.
Hydrogen peroxide (H2O2), decomposes to form water and oxygen. The balanced chemical
equation for this reaction is shown below.
H2O2 (aq)
H20 ( + O2(g)
AH = - 189 kJ
EA = 75 kJ.
Use the information to complete the energy diagram for the decomposition of hydrogen
peroxide where x is the maximum energy and y is the minimum energy.
On the set of axes provided, complete the energy diagram and clearly label the activation
energy (EA) of the reaction and the change in heat of the reaction (AH).
(3marks)
Loney
de
24,020
200
y
Reaction Procending
What is the value of y in the energy diagram ?
(2marks)

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

For questions 1 and 2, consider the following experimental data.hydrogen emission lines were detected at the following wavelengths (in nm): 121.6102.697.395.093.8question 1use the electromagnetic radiation classifications below and figure 1-1 in the introductory information for this lab (in the lab manual) to determine the nf value for the experimental data provided? wavelength, ? (nm) 650 700 550 600 400 450 500 visible spectrum wavelength, ? (m) 11 10 3 10 10 10 8 10 5 10 10 -10 10 9 10 10 10 10 -12 10 microwave radio infrared x-ray ultraviolet gamma 1020 1019 1018 1 1016 015 1014 01 12 109108 frequency, v (hz)a.1b. 2c. 3d. 4e. 5question 2using the data for the emission line with the longest wavelength, the known value of nf (from question 1 in this prelab), and the value of ni (deduced from the ? and nf values) calculate the rydberg constant for hydrogen (rh) in units of m-1.a) 1.097 x 10-11 m-1b) 5.921 x 107 m-1c) 1.097 x 10-2 m-1d) 9.252 x 106 m-1e) 1.097 x 107 m-1