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Chemistry concepts and calculations

117302 questions • Page 2052 / 2347

Which of the following would you expect to have the lowest first ionization enem
Which of the following would you expect to have the lowest first ionization enemy a. O b. I c. Li d. Rb 7. Which of the following would you expect to have the lowest electron affi…
Which of the following would you expect to have the smallest atomic radius? a. C
Which of the following would you expect to have the smallest atomic radius? a. Cs b. Ca c. P d. Cl Which of the following would you expect to have the lowest first ionization ener…
Which of the following would you most likely see if all the glycosidic bonds in
Which of the following would you most likely see if all the glycosidic bonds in DNA were hydrolyzed? A. Only the DNA-histone complex would be present in the sample B. More than 20…
Which of the following would you say is not a ceramic (circle one): (2) [amber (
Which of the following would you say is not a ceramic (circle one): (2) [amber (fossilized tree sap); quartz; aluminum oxide] a. b. What is an example of a ceramic used for its ma…
Which of the following would you say is not a ceramic (circle one): (2) [amber (
Which of the following would you say is not a ceramic (circle one): (2) [amber (fossilized tree sap); quartz; aluminum oxide] a. b. What is an example of a ceramic used for its ma…
Which of the following yields a buffer solution when equal volumes of the two so
Which of the following yields a buffer solution when equal volumes of the two solutions are mixed? 0.10 M H_2C0_3 and 0.050 M HCl 0.10 M H_2CO_3 and 0.10 M KOH 0.10 M H_2CO_3 and …
Which of the followingare correct equivalent values? For any solutions specified
Which of the followingare correct equivalent values? For any solutions specified,assume they have the density of water. a) 0.050 mg/L = 50 ppm b) 3.0 ppm = 3.0 g solute / 106 gsol…
Which of the followingare redox reactions? And Why please Thanks. a.) K2S(aq) +
Which of the followingare redox reactions? And Why please Thanks. a.)      K2S(aq) + CuSO4(aq) yieldsK2SO4(aq) + CuS(s) b.)      H2CO3(aq) yields H2O(l) + CO2(g) c.)     2NO(g) yi…
Which of the followingis a characteristic of an ester? Responsible for the flavo
Which of the followingis a characteristic of an ester? Responsible for the flavor offish Imparts smell and flavor tofruits Yields an alcohol in thepresence of an acid catalyst Non…
Which of the followingstatements is (are) incorrect? I. Thehybridization of boro
Which of the followingstatements is (are) incorrect? I. Thehybridization of boron in BF3 issp2   II. The molecule XeF4 is nonpolar III. The bond order of N2 is three IV. The molec…
Which of the four reaction steps involve an oxidation-reduction reaction (in whi
Which of the four reaction steps involve an oxidation-reduction reaction (in which the oxidation number of an element changes)? Explain your choice. 1.Reaction of aluminum with KO…
Which of the four structures to the right is an example of a fat? Which of the f
Which of the four structures to the right is an example of a fat? Which of the four structures to the right is an example soap? Which of the four structures to the right is an exa…
Which of the gases in the graph below has the largest molar mass? A B C D There
Which of the gases in the graph below has the largest molar mass? A B C D There is not enough information to determine the answer Which of the following substances (with specific …
Which of the gases in the graph below has the largest molar mass? A B C D There
Which of the gases in the graph below has the largest molar mass? A B C D There is not enough information to determine. The titration of 25.0 mL of an unknown concentration H_2SO_…
Which of the geologic principles listed here is incorrectly defined? a. The prin
Which of the geologic principles listed here is incorrectly defined? a. The principle of cross-cutting relationships states that the fault or intrusion that cuts across several ro…
Which of the given reactions has an equilibrium constant more favorable to the r
Which of the given reactions has an equilibrium constant more favorable to the right? Explain your reasoning: Both carbocations are very unstable, so the equilibrium constants for…
Which of the ground state electron configurations are correct for 14 Si? (There
Which of the ground state electron configurations are correct for 14Si? (There may be more than one) Which of the ground state electron configurations are correct for 14Si? (There…
Which of the group I chlorides has the lowest molar solubility? What is its solu
Which of the group I chlorides has the lowest molar solubility? What is its solubility in moles/L? Hydrogen sulfide undergoes successive dissociations to give the sulfide ion, S^2…
Which of the groups highlighted in the periodic table belowcontains atoms with t
Which of the groups highlighted in the periodic table belowcontains atoms with the following? The chart is 1 through 18, under 2 the second square downthrough the seventh square d…
Which of the ions that you studied underwent hydrolysis? Explain whether or not
Which of the ions that you studied underwent hydrolysis? Explain whether or not your results were as expected (i.e. acidic/basic/neutral solution). Data: Table 1. Hydronium and Hy…
Which of the lipids in Figure LP2 is likely to have the highest boiling point? S
Which of the lipids in Figure LP2 is likely to have the highest boiling point? Structure III has the lowest melting point. Structures I. II and III have similar melting points. St…
Which of the nuclear decay products is pure energy? 2. Which of the nuclear deca
Which of the nuclear decay products is pure energy? 2. Which of the nuclear decay products has the least penetration? 3. What is the nuclear symbol for a beta particle (beta)? 4. …
Which of the nuclear decay products is pure energy? Which of the nuclear decay p
Which of the nuclear decay products is pure energy? Which of the nuclear decay products has the least penetration? What is the nuclear symbol for a beta particle (beta)? How do nu…
Which of the reactant pairs listed above would result in the formation of a A. 1
Which of the reactant pairs listed above would result in the formation of a A. 11 only B. 8 and 10 C. 6 only D. 1, 2 and 3 E. 9 only Which of the reactant pairs listed above would…
Which of the sedimentary structures below is most useful in telling earth\'s lif
Which of the sedimentary structures below is most useful in telling earth's life history and evolution? fossils ripple marks graded bedding cross-bedding Which of the following se…
Which of the solutions shown here will have the lowest vapor pressure? White cir
Which of the solutions shown here will have the lowest vapor pressure? White circles indicate solvent molecules; black circles indicate molecules of a nonvolatile solute. Indicate…
Which of the solutions shown here will have the lowest vapor pressure? White cir
Which of the solutions shown here will have the lowest vapor pressure? White circles indicate solvent molecules; black circles indicate molecules of a nonvolatile solute. Indicate…
Which of the statement below correctly describes the combustion ofglucose? C6H12
Which of the statement below correctly describes the combustion ofglucose? C6H12O6+6O2->6Co2+6H2o A. Hydrogen is in C6H12O6 is being reduced B. Oxygen in O2 is being oxidized C…
Which of the statements about the discovery of electrons is FALSE? Rutherford pr
Which of the statements about the discovery of electrons is FALSE? Rutherford proved the plum-pudding model correct. All of the above statements are true. Because atoms are neutra…
Which of the statements below about the pentose phosphate pathway is FALSE? The
Which of the statements below about the pentose phosphate pathway is FALSE? The pentose phosphate pathway a) oxidizes glucose 6-phosphate to intermediates of the glycolytic pathwa…
Which of the statements below appropriately describe the conditions of science a
Which of the statements below appropriately describe the conditions of science and/or technology in our society today Science has had both positive and negative influence on socie…
Which of the statements below are FALSE? Oxidation of fatty acids chains with od
Which of the statements below are FALSE? Oxidation of fatty acids chains with odd or uneven numbers a) produces a 3 carbon proprionyl-CoA fragment as a "left over" product at the …
Which of the statements below are INCORRECT for mass balance and charge balance?
Which of the statements below are INCORRECT for mass balance and charge balance? The mass balance is a statement of the conservation of matter. Mass balance is satisfied when the …
Which of the statements below are INCORRECT for mass balance and charge balance?
Which of the statements below are INCORRECT for mass balance and charge balance? The mass balance is a statement of the conservation of matter. Mass balance is satisfied when the …
Which of the statements below are true about Digital Signatures? a) for computer
Which of the statements below are true about Digital Signatures? a) for computerized message systems to replace the physical transport of paper-and-ink documents, a method must be…
Which of the statements below best describe the term electroosmosis? A) It can b
Which of the statements below best describe the term electroosmosis? A) It can be defined as the distance from the injector where a neutral sample is placed to the detector divide…
Which of the statements below best describes the reasons for the observed struct
Which of the statements below best describes the reasons for the observed structural difference between PH3 and NH3? a) The structural difference is caused by the difference in el…
Which of the statements below is FALSE for the excited and ground states of mole
Which of the statements below is FALSE for the excited and ground states of molecules? Which of the statements below is FALSE for the excited and ground states of molecules? Molec…
Which of the statements below is false about myoglobin and hemoglobin? a. myoglo
Which of the statements below is false about myoglobin and hemoglobin? a. myoglobin has a greater affinity for oxygen than hemoglobin b.cooperative binding and All-American regula…
Which of the statements below is/are correct regarding the chemical mechanism of
Which of the statements below is/are correct regarding the chemical mechanism of AdhP, an alcohol dehydrogenase? Select all that apply. H2N OH Zn2 Nicotinamide adenine dinucleotid…
Which of the statements concerning protein structure is NOT true? The primary st
Which of the statements concerning protein structure is NOT true? The primary structure of a protein describes the unique sequence of amino acids in the protein chain. Secondary s…
Which of the statements is not true; (A) The solubility of a gas is directly pro
Which of the statements is not true; (A) The solubility of a gas is directly proportional to its partial pressure. (B) The solubility of a solid is affected by pressure. (C) The s…
Which of the statements listed below is true regarding the following redox react
Which of the statements listed below is true regarding the following redox reaction occurring in a spontaneous electrochemical cell? Sn(s) + Cu2+(aq) ? Cu(s) + Sn2+(aq) Question 2…
Which of the statenents about the evolution of the citric acid cycle are consist
Which of the statenents about the evolution of the citric acid cycle are consistent with existing knowlege? A reductive citric acid cycle can replenish oxidized cofactors such as …
Which of the substances below will have the greatest standard molar entropy? C 4
Which of the substances below will have the greatest standard molar entropy? C4H10(g) C4H10(l) Xe(g) Which of the substances below will have the greatest standard molar entropy? C…
Which of the underlined nuclei in each of the following molecules would appear a
Which of the underlined nuclei in each of the following molecules would appear at higher field? Please thoroughly explain and answer number 3. of the following 1. What is meant by…
Which of them are true? 1) benzene and its derivatives tend to undergo electroph
Which of them are true? 1) benzene and its derivatives tend to undergo electrophilic aromatic addition reactions. 2) dienes and alkenes are much more stable than benzene rings. 3)…
Which of these are characteristics of all alkenes? Unsaturated Carbon-carbon dou
Which of these are characteristics of all alkenes? Unsaturated Carbon-carbon double bond Saturated I and II only II and III only I and III only I, II, and III II only Plastic wrap…
Which of these are part of the Scientific Method? A) Observation B) Theory C) Ex
Which of these are part of the Scientific Method? A) Observation B) Theory C) Experiment D) Hypothesis E) Law 2.    Scientific Method 2 Classify the following as an observation or…
Which of these are properties of bases? I. sour II. turn litmus blue III. dissol
Which of these are properties of bases? I. sour II. turn litmus blue III. dissolve some metals IV. slippery I only III only I and II I and III II and IV Which of these gases combi…