start with... • Balance using coefficients. • Do not use coefficients of 1 • No changes may be made to the subscripts • use least common multiples 5. Check and recheck! • Practice balancing these equations • H2(g) + O2(g) → H2O • KCl + BaSO4 → K2SO4 + BaCl2 Types of Chemical Reactions • Combination /Direct Combinationsynthesis • 2Na(s) + Cl2(g) → 2 NaCl(s) Single Displacement • single substitution • anion always replaces anion
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During carboxylation CO2 is fixed and raised temperature enhancing oxygenation. c.) Level of PGA depends on Rubisco with who is going to bind. Rubisco is an enzyme that reacts with CO2 and O2. The reaction with O2 competes with carboxylation reaction where CO2 is fixed. That means‚ if Rubisco catalyses with O2‚ the oxygenase wins‚ if there is enough CO2 in atmosphere‚ like at the beginning of evolution then it is the carboxylation reaction. d.) Increased oxygenase and reduced carboxylate activity
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thermodynamic quantity such as ΔH that is associated with a thermochemical equation always refers to the number of moles of substances explicitly shown in the equation. Thus for the synthesis of water we can write 2 H2(g) + O2(g)→ 2 H2O(l) ΔH = –572 kJ or H2(g) + ½ O2(g)→ H2O(l) ΔH = –286 kJ • Thermochemical equations for reactions taking place in solution must also http://www.chem1.com/acad/webtext/energetics/CE-4.html 1/11 4/6/2014 Thermochemistry and calorimetry specify
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The literary works of Irish writer James Joyce are perhaps the most studied‚ argued and admired of all modern classics. Joyce‚ who was born near Dublin in 1882‚ was the eldest son in an impoverished‚ middle-class family. Educated by Jesuits at Clongowes Wood College‚ Belvedere College in Dublin‚ and University College‚ he majored in philosophy and literature. He exiled himself from Ireland in 1904 and moved to Trieste where he taught English at the Berlitz School from 1905 to 1915. His love of language
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pick up O2 2. smooth muscle cells in walls of bronchioles are sensitive to PCO2 -increased PCO2 causes bronchiodilation -air flow directed toward lobules where PCO2 is high and CO2 is decreased (CO2 is bad) -these lobules contain CO2 obtained from blood (decreased PCO2 causes bronchioconstriction) Local controls – respiratory and cardiovascular systems -scenario: cells in interstitum are very active‚ so O2 is being used and PO2 decreases CO2 is being produces (PCO2 increases) -O2 is good
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Question 1 (Limiting Reagent) 15.00 g aluminum sulfide & 10.00 g water react until the limiting reagent is used up. [Atomic mass: H = 1.008‚ Al = 26.98‚ S = 32.07‚ O = 16.00] Here is the balanced equation for the reaction: Al2S3 + 6 H2O ( 2 Al (OH)3 + 3 H2S (i) Which of the two reactants is the limiting reagent? (ii) What is the maximum mass of H2S which can be formed from these reagents? (iii) How much excess reagent remains after the reaction is complete
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Ross (2002) claims that an effective e-supply chain strategy to be implemented require that trading channel partners begin defining the objectives to be pursued by each individual channel node as well as the entire supply chain acting as a unified market satisfying force. It means that Tables & Chairs Company and component suppliers will focus on the same goals and will be mutually supportive. Figure 1 - Diagram 1: Component Suppliers (threads‚ screws and Wood) - Tables & Chairs Manufacturer
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following statements is correct for the reaction 2H2 + O2 → 2H2O(g)? (A) The rate of O2 disappearance is twice the rate of the H2 disappearance. (B) The rate of H2 disappearance is twice the rate of the O2 disappearance. (C) The rate of H2 disappearance is equal to the rate of the H2O disappearance. (D) The rate of O2 appearance is equal to the rate of the H2 disappearance. (E) The rate of H2 disappearance is equal to the rate of the O2 disappearance. 7. The following data were
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glimmering in the light‚ showing his love for her is in a visual aspect. "She was waiting for us‚ her figure defined by the light from the half-opened door" ( ). He sees Mangan’s sister as someone who stands out in the old‚ dark North Dublin streets and is captivated by her physique. The light from the lamp opposite our door caught the white curve of her neck‚ lit up her hair that rested there and‚ falling‚ lit up the hand upon the railing"( ). Joyce uses the imagery of
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option flag Set the compiler’s optimization level. option optimization level execution time code size memory usage compile time -O0 optimization for compilation time (default) + + - - -O1 or -O optimization for code size and execution time - - + + -O2 optimization more for code size and execution time -- + ++ -O3 optimization more for code size and execution time --- + +++ -Os optimization for code size -- ++ -Ofast O3 with fast none accurate math calculations --- + +++ +increase ++increase
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