the acid ionization constant‚ Ka. The equation for Ka incorporates the concentration of water as a constant value. Ka = [ H3O+][A-] [HA] and Ka = Kd [H2O] Organic acid ionization constants can cumbersome to work with because they are often very small numbers. Acetic acid‚ for example‚ has a Ka is value of about 0.00001 (or 10-5)‚ phenol has a Ka of 10-10. It is usually more convenient to use a logarithmic scale to handle these numbers. Accordingly‚ Ka values are transformed to pKa values
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1. Adsorption: Concentration of liquid or gaseous molecules over the surface of a solid material is known as adsorption. It is a surface phenomenon. (e.g.) H2 adsorption over nickel. The solid material is known as adsorbent. (e.g.) Nickel‚ Silica gel‚ Charcoal‚ Zeolite The gaseous or liquid molecules are adsorbate (e.g.) H2 gas‚ Bromine‚ benzene‚ water vapour For gases‚ a special name is given as “occlusion’ 2.If the concentration is of bulk phenomenon‚ it is absorption
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Cinematography History Cinematography is an art form in the field of filmmaking. Although the exposing of images on light-sensitive elements dates to the early 19th century‚[4] motion pictures demanded a new form of photography and a new aesthetic. On June 19‚ 1873‚ Eadweard Muybridge successfully photographed a horse named "Sallie Gardner" in fast motion using a series of 24 stereoscopic cameras. The cameras were arranged along a track parallel to the horse’s‚ and each camera shutter was controlled
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CH. 13 Notes Nomadism in C Asia nomadism is a way of life forced by a scarcity of resources Nomadic groups have the lowest pop. Desnsity In time of droughts conflicts increase Result extermination alliances frequent out migration Everyone was full time herdsman hunter and warrior Mongol superb riders Can shoot while galloping Leader = khan Khan’s decision ratified by a council Completion for resources reinforced slavery and tribute in C. Asia Some become slaves so
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spune ca am ramas constanta pe acceasi meserie. Cand voi creste vreau sa fiu politician deoarece observ zi de zi lucrurile incredibil de socante din politica Romaniei si cred ca as putea rezolva ceva. Un alt motiv ar fi acela ca am un caracter destul de ambitios‚ dominant si obisnuiesc sa ma implic in orice lucru care imi aduce avantaje si mie dar si celor din jur. Atunci cand ma implic nu imi place sa fac pe jumatate un lucru‚ mereu imi planific‚ pregatesc o scurta prezentare (un discurs) care sa ma
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energy required to do 1 J work. Kinetic Energy - Objects in motion possess energy. This energy is called kinetic energy. The kinetic energy of an object increases its speed. Ek = 1/2 mv2 is the work done of an object when the initial velocity‚ u is 0. Or Ek = 1/2 m (v2-u2) Potential Energy - The potential energy possessed by the object is the energy present in it by virtue of its position or
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A hardware description language(HDL) is a language from a class of computer languages‚ specification languages‚ or modeling languages for formal description and design of electronic circuits‚ and most-commonly‚ digital logic. It can describe the circuit’s operation‚ it’s design and organization‚ to verify its operation by simulation. The hardware description language looks much like a programming language such as C++‚ it is a textual description consisting of expressions‚ statements and control
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1. Objectives • To provide an introduction to the main features of computer aided design and analysis of power systems and the use of ERACS software package for diagram building and Load Flow analysis. • Enhance the student learning process‚ by relating the theory and analytical procedures to computer aided techniques for system analysis and problems solving. • To give the student the basic hands-on experience on the use of industry-based software package to simulate faulted power
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Agricultura (cultura plantelor şi creşterea animalelor) este cea mai veche ramură a economiei mondiale. In unele ţări din Asia‚ Africa şi America de Sud este şi astăzi principala ramură economică şi sursă de subzistenţă. 1. Tipuri şi structuri teritoriale agricole Tipul de agricultură este rezultatul evoluţiei de lungă durată a unui ansamblu de factori sociali‚ tehnici‚ economici şi culturali‚ ce evoluează de la o regiune la alta în condiţii naturale determinate. Structura teritorial-agricolă
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Për sa i përket qellimit që ka feja kryesisht mund të themi se tashmë ajo është bërë faktor stabiliteti në shoqëri. Feja përbën një faktor të rëndësishëm të integrimit shoqëror. Kështu ajo i ushqen anëtarët e vet me vlera dhe norma si dhe ndihmon konsensusin e tyre për cështjet morale
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