Vibrational Samenvattingen, Aantekeningen en Examens

IR Spectra correct answer: -Absorption of radiation causes vibrational excitation of functional groups *making it easy to ID functional groups* *0-5000cm-1* H NMR Spectra correct answer: *0-12ppm* C NMR Spectra correct answer: *0-200ppm* Mass Spec correct answer: -Used to measure the molecular weight (mass) of the compound. Alkyne Reactions correct answer: *1* Alkyne + H2/Pd &C = Alkene *2* Alkyne + H2/Lindlav Cat.= Cis Alkene *3* Alkyne + Li or Na/Liquid NH3= Trans Alkene ...

What is the order of the electromagnetic spectrum from high to low energy? - Answer Gamma rays, x-rays, UV, visible, IR, microwaves, radio What transitions occur in the microwave spectrum? - Answer Rotational What transitions occur in the IR spectrum? - Answer Vibrational with accompanying rotational fine structure bands What transitions occur in the UV-vis spectrum? - Answer Electronic In quantum mechanics, energy levels exist as multiples of what number? - Answer Planck'...

Beer's Law Conditions - correct answers 1. Monochromatic Radiation is passed thru solution 2. Solution is not too concentrated. Typically <0.01M 3. Solution is homogenous 4. Absorbing species is not participating in a concentration dependent equilibirum X-Ray - correct answers Electronic Transitions - Core electrons UV-Vis - correct answers Electronic Transitions - Valence electrons; vibrational; rotational IR - correct answers Vibrational; Rotational Micro - correct answers R...

Internal Conversion - correct answers 7 Vibrational Relaxation - correct answers Squiggles Fluorescence - correct answers 10 phosphorescence - correct answers 4 1 meter equals how many nanometers - correct answers 1*10^9 nanometers Lowest to highest photon energy - correct answers radiowave, microwave, infrared, visible, ultraviolet, X-ray, gamma-ray Infrared absorption - correct answers molecular vibration transition UV absorption - correct answers valence electron transiti...

Leghemoglobins - ANSWER Facilitate the diffusion of oxygen Molecular Processes within Photosynthesis - ANSWER Capture of photon energy, redox reactions, photophosphorylation, Reduction Light Reactions - ANSWER Chlorophyl absorbs light which creates a proton gradient that makes ATP and reduces NADP to NADPH Dark Reactions - ANSWER Thermochemical reactions catalyzed via enzymes Meristematic Cells - ANSWER Give rise to proplastids like: leucoplats, chromoplasts, chloroplasts Leucopla...

Why does the earth have an atmosphere? correct answers -Gravity -need a source of gases (volcanoes) -shielded from solar wind atmospheric composition correct answers -nitrogen 78% -oxygen 21% -water vapor 0-4% -CO2 and Methane -ozone temperature correct answers measure of the vibrational energy of molecules in solids or the average speed at which molecules in a gas (or liquid) move pressure correct answers the mass per unit volume of a substance 1 atmosphere correct answers ty...

CHP 2.1: What is the difference between "heat" and "temperature" - ANSWERheat is the vibrational motion of particles & a form of energy temperature is the measure of said energy CHP 2.9: What are the four main sources of Earth's internal terrestrial heat energy? Which on is the most important? - ANSWERradioactive decay of uranium and potassium energy released from core formation distortion of tidal waves accretionary heat: transfer of kinetic energy of objects striking the proto-pl...

What is a photomultiplier? - A vacuum tube consisting of a photoemissive cathode, a series of intermediate electrodes called dynodes, and a collection anode. What does a single-beam spectrophotometer do? - A single-beam spectrophotometer employs one beam of radiation that irradiates one cell. What happens in a deuterium lamp? - The lamp energy from the power source produces an excited deuterium molecule that dissociates into two atoms in the ground state and a photon and the energies of th...

CHP 2.1: What is the difference between "heat" and "temperature" - ANSWERheat is the vibrational motion of particles & a form of energy temperature is the measure of said energy CHP 2.9: What are the four main sources of Earth's internal terrestrial heat energy? Which on is the most important? - ANSWERradioactive decay of uranium and potassium energy released from core formation distortion of tidal waves accretionary heat: transfer of kinetic energy of objects striking the proto-pl...

response of materials to heat increase heat capacity; changes in phase lead to absorption of heat, thermal conductivity; failure - thermal shock phonon a quantum of energy resulting from vibrational waves in a solid heat capacity represents the energy required per unit mass to change the temperature of a substance by 1 degree C thermal expansion an increase in temp leads to a greater amplitude of atomic vibrations within a solid; coefficient of thermal expansion alpha thermal condu...