PPT-4.06 Stoichiometry Stoichiometry

Its a process that allows us to mathematically convert and calculate the relationships between the amount of reactants and products in a chemical reaction Graphical representation Example for every O2 molecule. 1.02.03.04.05.06.07.08.09.010.011.0 Ratio of O atoms to cation atomsDensity (gm/cm Si Sn Cr, Mn, Fe, Co, Ni, Cu, Zn, & Mo - see above Lime CaOPericlQuartzSiOssiterite SnOMinium PbMassicot Pb Percent Yield. Important Terms. Yield. : the amount of product. Theoretical yield. : the maximum amount of product expected, based on . stoichiometric. calculations. Actual yield. : amount of product from a procedure or experiment (this is often given in a question). Topic: Ch 7. Announcements. HW2 going out today, due next Friday. Wiley next Wed. March 20. th. Field trip w/ Jason . Assoiline. Email me about . DimDim. Recordings. Tentative Carpool Plan – Time/Location. and . Thermochemical. . Reactions. the energy of a reaction is directly related to the quantity of products. if 28.4 kJ of energy is required to melt 1 mol of . NaCl. at its melting point then it would require twice that amount (56.8 kJ) to melt 2 mol of . (CRE) is the field that studies the rates and mechanisms of chemical reactions and the design of the reactors in which they take place.. Lecture 23. Web Lecture 23. Class Lecture 21 - Tuesday 3/22/2011. If a . VOLUME. is mentioned, and the problem involves molarity DO . NOT. assume that 22.4L should be used. STP is only used when it says STP in the question and the substance is a GAS!. IMPORTANT!. Gas Stoichiometry. Recall:. The law . of combining volumes . W. hen . gases react, the volumes of the reactants and products react in whole. -number . ratios if the temperatures and pressures are constant. . Lecture 3 Topics. . Brown. , chapter 3. 1. Moles. . . 3.4. Molecular mass (aka . molecular . weight) . . 3.3. 2. Molar . converstions. Percent composition . 3.3. Empirical formulas . Stoichiometry. of Gases. Objectives. Apply the principles of . stoichiometry. to determine the volume of any gas that is produced or consumed in a chemical reaction.. Volume-Volume Calculations. At STP, what volume of hydrogen gas is needed to react completely with 4.55 L of oxygen gas to produce water vapor?. Step-by-Step Mass to Mole. What is Stoichiometry. Stoichiometry is the study of the relationships or ratios between two or more substances undergoing a physical or chemical change. We will be taking steps to solve the different equations. References :. Basic Principles and Calculations in Chemical. Engineering, 7 edition,. . . David. M. . Himmerblau. and James B. Riggs.. ปริมาณสัมพันธ์สำหรับงานอุตสาหกรรม เล่ม . Chemistry so easy, even a physicist could do it!. -Charles Hoyle. 3. rd. & 4. th. block. Chemistry. November 1, 2011. 1 spider. 8 feet. 1 shoe. 1. 1 spider. 1 foot. Stoichiometry Review. How many shoes would a spider need?. Things you should know so far…. Energy transfer – endothermic vs. exothermic. Energy diagrams . Internal energy (including work). Heat equation. Calorimetry. and conservation of energy. Molar enthalpy. Stoichiometry. You should understand. Moles, mass, representative particles (atoms, molecules, formula . units), molar mass, and Avogadro’s number.. The percent composition of an element in a compound..