Which of the following is CORRECT? B) A "low energy compound" has a AG'° of less than -25 kJ/mol. C) Anabolism leads to the release of 'stored' energy. D) All of the above. E) None of the above.
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- Which of the following statements best describes the role of the enteric coating on aspirin tablets, such as the 81 mg (baby aspirin) tablets marketed by Walmart under the Equate label? Question 13 options: A) The enteric coating affects the kinetics of dissolution of the aspirin tablet. B) The enteric coating affects the thermodynamics of dissolution of the aspirin tablet. C) The enteric coating affects both the thermodynamics and kinetics of the dissolution of the aspirin tablet. D) The enteric coating affects neither the thermodynamics nor the kinetics of the dissolution of the aspirin tablet.Which of the following statements about AAS and AES is FALSE a)Sample used in AAS are usually in the form of aqueous solution b)In flame AAS, the flame is used for atomization as well as excitation purpose c)The graphite furnace is an example of non-flame atomizer d)In flame AES, no light source is required. What is the advantages of Axial torch configuration over Radial configuration in Inductive Couple Plasma-Optical Emission Spectrometer (ICP-OES) a)Increased radiation intensity – a longer path length b)Excellent tolerance to dissolve solids c)Can analyze S, P, and Halogens d)Excellent torch lifetimesThe oxidation of NADH is favorable because it involves: a) Separation of like charges. b) Conversion of non-polar to polar bonds. c) Increased resonance. d) Conversion of liquid to gas.
- Reaction 1 has a DG° of-12.3 kJ/mol, and Reaction 2 has a DG° of 23.4 kJ/mol. Which statement is TRUE of these two reactions? a) Reaction 2 occurs faster O b) It is impossible to know which reaction occurs faster with this information. Oc) Both reactions occur at the same rate. d) Reaction 2 will not occur spontaneously. e) Reaction 1 occurs faster. МacBoс 80 esc F5 F1 F2 F3 F4Which statement is true regarding the function of a catalyst in a chemical reaction? a) A catalyst increases the rate of a reaction. b) A catalyst provides an alternate mechanism for the reaction. c) A catalyst is not consumed by the reaction. d) All of the above are true.Consider a HCI solution with a pH of 4.70. a) Calculate the concentration of HCl. b) Identify the two underlying assumptions in part a). c) The original solution is diluted by 1,000 fold. Calculate the pH of the resulting solution. Make sure to indicate if the forementioned assumptions are still valid.
- in which of the following alternatives is the greatest amount of energy released from the hydrogenation of:a) 1 mole propeneb) 1 mole of butadiene 1.3c) 1 mole pentyn-2d) 3 moles of etheneFor the equation H20 (g) --> H20 (1) answer the following questions: Q1) Is it endothermic or exothermic? Q2) How does energy flow? Q3) What happens to the molecules? Format BIU1. Enzymes A) tilt the reaction equilibrium in favor of product formation B) tilt the reaction equilibrium in favor of reactant formation C) reduce AG D) None of the above Briefly explain:
- Match the term to the correct definition: Loss of electron(s) A) reduction B) not related to oxidation or reduction C) oxidation Gain of electron(s) A) reduction B)not related to oxidation or reduction C) oxidation Increase in oxidation number A) reduction B) not related to oxidation or reduction C)oxidation Decrease in oxidation number A) reduction B)not related to oxidation or reduction C)oxidation Loss of a proton A)reduction B)not related to reduction or oxidation C)oxidation Loss of a neutron A)reduction B)not related to oxidation or reduction C)oxidation Gain of a proton A)reduction B)not related to reduction or oxidation C)oxidation Gain of a neutron A)reduction B)not related to oxidation or reduction C)oxidationWhich of the following stains highlights iron deposits in cells? Question 10 options: A) Prussian blue B) LAP C) TRAP D) alpha-naphthyl butyrate esteraseIn an electrostatic interaction, the strength of the bond is: Oa) proportional to the charges on the two interacting atoms. b) proportional to the dielectric constant of the medium. c) proportional to the charges of the two atoms and to the dielectric constant of the medium. d) proportional to the Charges of the two atoms and inversely proportional to the distance between the two atoms e) inversely proportional to the distance between the two atoms.