Unit 4 Assignment Ilse the following additional information to answer the next part of the question A technician uses the 500.0 ml. of 0.100 mol/L acetic acid to prepare an acetic acid sodium acetate buffer solution. She does this by adding 0.100 mol/L sodium acetate to the 0.100 mol/L acetic acid until the required pH is reached. Identify the shift...
A. when phosphorus trihydride (also called phosphine) and oxygen gas react under the appropriate conditions the products of the reaction are diphosphorus pentoxide and water. If a 40.000 gram sample of phosphorus trihydride and a 40.000 gram sample of oxygen gas react, how many grams of diphosphorus pentoxide may be produced? (please show work and significant figures) B. Assume the...
Alkyl Halides: Elimination reaction with (2R,3R)-2-chloro-3-methylpentane Draw the product formed when (2R,3R)-2-chloro-3-methylpentane under-goes an elimination reaction with NaOCH3. Alkyl Halides: Elimination reaction with 3-chloro-3-ethyl-2,2-dimethylpentane. Draw the structure of the product that is formed when 3-chloro-3-ethyl-2,2-dimethylpentane undergoes an elimination reaction with NaOCH3. Indicate the stereochemistry of the product. Identify the three products formed when 2-bromo-2-methylpropane is dissolved in a mixture of...
2. Oxidation and Reduction: Answer the following questions by circling the appropriate choice. [A] A substance is oxidized when it... gains electrons loses electrons [B] A substance is reduced when it... gains electrons loses electrons (C) In this reaction, identify which reactant was oxidized and which product was reduced. 2 Fe2O3 + 3 S→ 4 Fe + 3 SO2 3....
1. Provide a systematic IUPAC name for the compound, including R/S and E/Z if appropriate. (3 pts.) 2. Draw the bond-line structure of (2,4Z)-2,5-dibromo-3-methylhexa-2,4-diene. (3 pts.) 3. Label the most stable and the least stable alkene (4 pts.) 4. Consider the substitution reaction below. (4 pts.) NaSH DMF SH in why this reaction proceeds through an SN mechanism and not...
Question 3 2 pts There are four important terms in Section 8.6. Match each term to its appropriate definition. Molecular equation [Choose] Complete ionic equation [Choose) Net ionic equation [Choose ] An equation that only shows the species that actually change during the reaction. An equation that shows complete, neutral formulas for every compound in a reaction. An equation that...
QUESTION 2 The reaction illustrated by the graph shown would be considered and have a ---- G products free energy amount of energy required reactants course of reaction Exergonic, negative Exergonic, positive Endergonic, negative Endergonic, positive At equilibrium zero change QUESTION 3 Which of the following statements about enzymes is FALSE? Only proteins are enzymes and can perform catalytic reactions,...
5) Write balanced equations for the following reactions. Include phases for all reactants and products if you are asked to do so. a) combination reaction of potassium and iodine (include all phases) b) double-replacement reaction between MgCl2 (aq) and K_CO, (ag) solutions (include all phases) c) double-replacement reaction between Na3PO4 (ag) and Ca(NO3)2 (ag) solutions (include all phases) d) complete...
Justify Answers.
Consider the energy diagram below showing the conversion of A to G a) How many steps are included in this overall reaction mechanism? b) Label each step as endothermic or exothermic. Is the overall reaction endothermid or exothermic? c) Label ΔE and Ea for each step. Label ΔEnn for the reaction overall. d) Which step is rate-determining? e)...
13. When 2 mL of 0.1 M aqueous HCl (hydrochloric acid) are added to a small strip of magnesium (Mg) what happens? 14. Which is the balanced chemical equation describing the reaction of question 13? 15. Describe what observable changes happen when aqueous copper (II) sulfate, CuSO4, reacts with steel wool (iron, Fe). [Hint: this is a single displacement reaction...