Proximity Effects on Reaction Rates
... Key Points: HIV Protease & Enzyme Catalysis • HIV protease catalyzes polyprotein amide bond hydrolysis • Thermodynamics reflect the difference in energy between reactants and products, as measured by ΔG°rxn • Kinetics reflect reaction rates, determined by ΔG‡ • Enzymes lower ΔG‡ by using a variety ...
... Key Points: HIV Protease & Enzyme Catalysis • HIV protease catalyzes polyprotein amide bond hydrolysis • Thermodynamics reflect the difference in energy between reactants and products, as measured by ΔG°rxn • Kinetics reflect reaction rates, determined by ΔG‡ • Enzymes lower ΔG‡ by using a variety ...
Chapter 6 ppt
... •The Ea is the minimum amount of energy that the reactants must possess for a reaction to occur. •Ea is called the energy barrier and the height of the barrier determines the reaction rate. •When the Ea is high, few molecules have enough energy to cross the energy barrier, and the reaction is slow. ...
... •The Ea is the minimum amount of energy that the reactants must possess for a reaction to occur. •Ea is called the energy barrier and the height of the barrier determines the reaction rate. •When the Ea is high, few molecules have enough energy to cross the energy barrier, and the reaction is slow. ...
-Atomic Bonding in Solids
... four, electrons to share. Diamond is simply the three-dimensional interconnecting structure wherein each carbon atom covalently bonds with four other carbon atoms. ...
... four, electrons to share. Diamond is simply the three-dimensional interconnecting structure wherein each carbon atom covalently bonds with four other carbon atoms. ...
The Atomic Emission Spectra of Hydrogen, Deuterium
... A Russell-‐Saunders term symbol can be written for each electronic energy level of an atom. It has the form n(2S +1)LJ where n is the principle quantum number. Define the other elements (S, ...
... A Russell-‐Saunders term symbol can be written for each electronic energy level of an atom. It has the form n(2S +1)LJ where n is the principle quantum number. Define the other elements (S, ...
Practice Test 2
... The correct complete ionic equation for the reaction that occurs when aqueous solutions of Ca(NO3)2 and Na2CO3 are mixed is A) Ca(NO3)2(aq) + Na2CO3(aq) ----> CaCO3(s) + 2 NaNO3(aq) B) Ca2+(aq) + 2 NO3-(aq) + 2 Na+(aq) + CO32-(aq) ----> CaCO3(s) + 2 Na+(aq) + 2 NO3-(aq) C) Ca2+(aq) + 2 NO3-(aq) + 2 ...
... The correct complete ionic equation for the reaction that occurs when aqueous solutions of Ca(NO3)2 and Na2CO3 are mixed is A) Ca(NO3)2(aq) + Na2CO3(aq) ----> CaCO3(s) + 2 NaNO3(aq) B) Ca2+(aq) + 2 NO3-(aq) + 2 Na+(aq) + CO32-(aq) ----> CaCO3(s) + 2 Na+(aq) + 2 NO3-(aq) C) Ca2+(aq) + 2 NO3-(aq) + 2 ...
fo-Balancing Chemical Notes
... in red) in these reactions. When balancing reactions, the coefficients can (and usually need to be) changed, but the subscripts present in the molecular formula can not be altered. H2 + Cl2 --> 2 HCl Reaction of H2 + Cl2 ...
... in red) in these reactions. When balancing reactions, the coefficients can (and usually need to be) changed, but the subscripts present in the molecular formula can not be altered. H2 + Cl2 --> 2 HCl Reaction of H2 + Cl2 ...
PRODUCTION OF ISOAMYL ALCOHOL 1. CHLORINATION
... the catalyst. Some of the oxo residues are used as inexpensive solvents, but in general their utility is limited. ...
... the catalyst. Some of the oxo residues are used as inexpensive solvents, but in general their utility is limited. ...
Conservation of Energy in chemical reactions, Hess`s Law
... There are many chemical reactions that are difficult to study directly because the energy produced is very high, or because the reactants are difficult to obtain or handle. Hess’s Law (named after the scientist who proposed it) helps us to calculate H for a reaction by using data from other reactio ...
... There are many chemical reactions that are difficult to study directly because the energy produced is very high, or because the reactants are difficult to obtain or handle. Hess’s Law (named after the scientist who proposed it) helps us to calculate H for a reaction by using data from other reactio ...
A Classification of AP Chemistry Reactions
... There are four types of redox with oxygen compounds, classified by the oxidizing agent: oxidizing acids (HNO3 and H2SO4), manganese compounds (MnO4- and MnO2), chromium compounds (Cr2O72-), and hydrogen peroxide (H2O2). Oxidizing acids Oxidizing acids are strong acids with anions that can be reduced ...
... There are four types of redox with oxygen compounds, classified by the oxidizing agent: oxidizing acids (HNO3 and H2SO4), manganese compounds (MnO4- and MnO2), chromium compounds (Cr2O72-), and hydrogen peroxide (H2O2). Oxidizing acids Oxidizing acids are strong acids with anions that can be reduced ...
4. Sodium nitrite (NaNO2) is a controversial food preservative added
... a) Find the empirical formula of this compound. b) Find the mass percentage of each element in this compound. c) What is the mass of magnesium in a 13.9 gram sample of this compound? d) What is the mass of this compound that contains 0.290 moles of carbon? 6. A sample of zinc is heated in air to for ...
... a) Find the empirical formula of this compound. b) Find the mass percentage of each element in this compound. c) What is the mass of magnesium in a 13.9 gram sample of this compound? d) What is the mass of this compound that contains 0.290 moles of carbon? 6. A sample of zinc is heated in air to for ...
File
... energy between the reactants and the top of the highest peak. How catalysts work: “to avoid a hill, build a tunnel.” A Catalyst- is an introduced substance which has an alternate mechanism with a lower activation energy…and - a catalyst NEVER changes the PE of reactants or of products - only the rou ...
... energy between the reactants and the top of the highest peak. How catalysts work: “to avoid a hill, build a tunnel.” A Catalyst- is an introduced substance which has an alternate mechanism with a lower activation energy…and - a catalyst NEVER changes the PE of reactants or of products - only the rou ...
chapters 16-17 test re
... 1. _______ A chemical reaction rate is defined as a specific amount of time per change in concentration of a reactant or product. 2. _______ The Atomic Theory states that atoms, ions, or molecules must collide in order to react provided that they have enough kinetic energy to form an activated compl ...
... 1. _______ A chemical reaction rate is defined as a specific amount of time per change in concentration of a reactant or product. 2. _______ The Atomic Theory states that atoms, ions, or molecules must collide in order to react provided that they have enough kinetic energy to form an activated compl ...
Chemical Reactions Notes-1a-1
... The double arrow means that the reaction is significant in both directions. ...
... The double arrow means that the reaction is significant in both directions. ...
TYPES OF CHEMICAL REACTIONS AND SOLUTION CHEMISTRY
... assumed to react completely with any weak acid it encounters. 11. An acid-base reaction is often called a ______________________________. When just enough base is added with the acid in a solution, we say the acid has been neutralized. ***** What volume of 0.250 M KOH will react completely with 25.0 ...
... assumed to react completely with any weak acid it encounters. 11. An acid-base reaction is often called a ______________________________. When just enough base is added with the acid in a solution, we say the acid has been neutralized. ***** What volume of 0.250 M KOH will react completely with 25.0 ...
Partial Pressures of Gases
... Steps for Balancing Chemical Equations by Inspection 1. Write the chemical formula for each reactant and product, including the state of matter for each one. 2. Try balancing any atom that is not in a polyatomic ion and is not carbon, oxygen or hydrogen.(ECHO) 3. If possible, balance polyatomic ions ...
... Steps for Balancing Chemical Equations by Inspection 1. Write the chemical formula for each reactant and product, including the state of matter for each one. 2. Try balancing any atom that is not in a polyatomic ion and is not carbon, oxygen or hydrogen.(ECHO) 3. If possible, balance polyatomic ions ...
File
... 55. Which pair of solutions forms a buffer when equal volumes of each are mixed? A) 0.20 M HCl and 0.20 M NaCl C) 0.20 M HCl and 0.20 M NH3 B) 0.40 M HC2H3O2 and 0.20 M NaOH D) 0.40 M HCl and 0.20 M NH3 56. A student is attempting to standardize a NaOH solution with a 0.500 molar solution of oxalic ...
... 55. Which pair of solutions forms a buffer when equal volumes of each are mixed? A) 0.20 M HCl and 0.20 M NaCl C) 0.20 M HCl and 0.20 M NH3 B) 0.40 M HC2H3O2 and 0.20 M NaOH D) 0.40 M HCl and 0.20 M NH3 56. A student is attempting to standardize a NaOH solution with a 0.500 molar solution of oxalic ...
Unit A Review Questions
... The zinc electrode is gaining mass because the copper ions are coming out of the solution and are being reduced by the zinc metal being oxidized. This would also account for the colour change in the copper nitrate solution. As the copper ions come out of the solution, the solution becomes a fainter ...
... The zinc electrode is gaining mass because the copper ions are coming out of the solution and are being reduced by the zinc metal being oxidized. This would also account for the colour change in the copper nitrate solution. As the copper ions come out of the solution, the solution becomes a fainter ...
Semester II Exam Review Questions
... amount of Tin (Sn) that should have been produced from this reaction. (hint: determine the limiting reactant) ...
... amount of Tin (Sn) that should have been produced from this reaction. (hint: determine the limiting reactant) ...
RES8_chemcontentchecklist
... Describe the term electronegativity as the ability of an atom to attract the bonding electrons in a covalent bond. Explain that a permanent dipole polarity may arise when covalently-bonded atoms have different electronegativities, resulting in a polar bond. Describe intermolecular forces based on pe ...
... Describe the term electronegativity as the ability of an atom to attract the bonding electrons in a covalent bond. Explain that a permanent dipole polarity may arise when covalently-bonded atoms have different electronegativities, resulting in a polar bond. Describe intermolecular forces based on pe ...
Chemical Reactions (Part One)
... For example, peeled apples turn brown when exposed to the air because they react with oxygen in the air. Knowing what causes this reaction can help to slow it down. Placing sliced apples in water prevents browning because the apples are no longer exposed to air. The chemical ascorbic acid (vitamin C ...
... For example, peeled apples turn brown when exposed to the air because they react with oxygen in the air. Knowing what causes this reaction can help to slow it down. Placing sliced apples in water prevents browning because the apples are no longer exposed to air. The chemical ascorbic acid (vitamin C ...
Document
... Pre-steady-state kinetics vs steady-state kinetics 1. The order of binding of substrates and release of product serves to define the reactants present at the active site during catalysis: it does not establish the kinetically preferred order of substrate addition and product release or allow conclu ...
... Pre-steady-state kinetics vs steady-state kinetics 1. The order of binding of substrates and release of product serves to define the reactants present at the active site during catalysis: it does not establish the kinetically preferred order of substrate addition and product release or allow conclu ...
Final Exam Practice 2016 (MC)
... descriptions about its structure is correct? a) This is a correct Lewis structure b) There are too many electrons in this diagram. The lone pair on carbon should be removed. c) There are too many electrons in this diagram. The lone pair of electrons on carbon should make a double bond with hydrogen. ...
... descriptions about its structure is correct? a) This is a correct Lewis structure b) There are too many electrons in this diagram. The lone pair on carbon should be removed. c) There are too many electrons in this diagram. The lone pair of electrons on carbon should make a double bond with hydrogen. ...
50 Frequently Forgotten Facts
... shift away from the side it is on. If something is removed, then the equilibrium will shift towards that side. After the shift, whatever is being shifted towards will increase in concentration, and whatever is being shifted away from will decrease in concentration. For the equilibrium N2 (g) + 3H2 ( ...
... shift away from the side it is on. If something is removed, then the equilibrium will shift towards that side. After the shift, whatever is being shifted towards will increase in concentration, and whatever is being shifted away from will decrease in concentration. For the equilibrium N2 (g) + 3H2 ( ...
2015 AP Chemistry Summer Assignment
... 43. The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a matchbox. If you were to react 52.9 g of potassium chlorate (KClO3) with excess red phosphorus, what mass of tetraphosphorus decaoxide (P4O10) could be produced? KClO3(s) + P4(s) → P4O10(s) + KCl( ...
... 43. The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a matchbox. If you were to react 52.9 g of potassium chlorate (KClO3) with excess red phosphorus, what mass of tetraphosphorus decaoxide (P4O10) could be produced? KClO3(s) + P4(s) → P4O10(s) + KCl( ...