1. Ethane Ethane (C2H6) is the simplest alkane, consisting of two carbon atoms bonded by a single sigma bond and surrounded by hydrogen atoms. It is an excellent starting point to grasp the concept of Newman projection. Ethane exists in two primary conformations: the staggered conformation and...
A two-Yukawa potential is shown to model the perturber/perturber interactions accurately by calculating the phase diagram of the perturber fluids, and using this potential the local Wigner–Seitz model for the energy of the excess electron is successfully applied to these molecular systems....
Fig. 6. Schematic diagram of a Fuel cell (PEMFC). 3.1.2 Photovoltaic cell Solar photovoltaic is the most popular alternative energy source for the past 2–3 decades. Nowadays, PV plants have been set up on an enormous scale considering their economic benefit and environmental impact (Rathore ...
The ethylene might come from an ethane cracker, such as the Shell facility in Pennsylvania which uses the ethane in natural gas to produce ethylene for the further manufacture of chemicals and plastics (like polyethylene). But along the way considerable energy is required for the synthesis process...
To examine the competitive HER over Cu (111), Cu0.86Sn0.14(111), Cu6Sn5(−113) and Sn (100) surfaces, we examined the energy diagram of HER (Supplementary Fig.34). The corresponding*H adsorption configurations can be seen in Supplementary Figs.35–38. The increased free energy of HER...
Kinetics of the decomposition of ethane and propane sensitized by azomethane. The decomposition of the normal propyl radical The dissociation energy of n-CH3CH2CH2—H is deduced to be 99.4 kcal/mole at 0 °K and 99.9 kcal/mole at 25 °C. An energy diagram is ... MC Lin,KJ Laidler -...
The presence of mobile ions in metal halide perovskites has been shown to adversely affect the intrinsic stability of perovskite solar cells (PSCs). However, the actual contribution of mobile ions to the total degradation loss compared with other factors
Trifluorochloromethane, CF3Cl, is an example of a chlorofluorocarbon, CFC, that was commonly used as a propellant in aerosols. Nowadays, CFCs have limited use because of the damage caused to the ozone layer. (i) Draw a diagram to show the shape of a molecule of CF3Cl. (ii) Predict...
This diagram represents the situation found for a diatomic molecule where only one vibrational mode is present. Note that we have shown the vibrational levels as being equally spaced, which is the prediction of the harmonic oscillator approximation. In real molecules, the energy spacings get ...
Scheme The schematic diagram of NiCoSe2/BiVO4 composites photoelectrodes for charge transfer about water oxidation mechanism. The reason for PEC performance enhancement of (Ni, Co)Se2/BiVO4 since because the bimetallic (Ni,Co)Se2 with more metal active sites and oxygen vacancy taking advantage of...