Chemistry concepts and calculations
117302 questions • Page 2040 / 2347
Which of the following statements about formal charges is/are true? (Select all
Which of the following statements about formal charges is/are true? (Select all that apply.) A) To calculate a formal charge of an atom in a molecule it is necessary to know the n…
Which of the following statements about gases is false? Gases are highly compres
Which of the following statements about gases is false? Gases are highly compressible Distance between molecules of gas are very large compared to bond distances within molecules …
Which of the following statements about globular proteins are true? 1) The prote
Which of the following statements about globular proteins are true? 1) The protein folds to make itself as compact as possible. 2) The packing of the protein is such that hydrophi…
Which of the following statements about glutathione (GSH) are true? There is mor
Which of the following statements about glutathione (GSH) are true? There is more than one correct statement. Check all the true statements. a. GSH prevents oxidative damage in br…
Which of the following statements about glycolysis is FALSE? Choose the best ans
Which of the following statements about glycolysis is FALSE? Choose the best answer. The 2nd stage of glycolysis occurs twice for each input molecule of glucose ATP is hydrolyzed …
Which of the following statements about glycolysis is NOT true? Some ATP is cons
Which of the following statements about glycolysis is NOT true? Some ATP is consumed, but even more is produced. A hexose is broken down into two 3-carbon molecules in one reactio…
Which of the following statements about half-lives is correct? A.The half-life f
Which of the following statements about half-lives is correct? A.The half-life for second-order reactions is independent of the initial concentration of a reactant. B.The half-lif…
Which of the following statements about hemoglobin and myoglobin structure are t
Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements. Sapling Learning Which of the following statements about hemo…
Which of the following statements about hemoglobin and myoglobin structure are t
Which of the following statements about hemoglobin and myoglobin structure are true? select the five true statements. Molecular oxygen binds irreversibly to Fe^2+ in heme. Heme is…
Which of the following statements about hemoglobin and myoglobin structure are t
Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements. Molecular oxygen binds reversibly to Fe^2+ in home. Hemet is …
Which of the following statements about hemoglobin and myoglobin structure are t
Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements. By itself, home is not a good oxygen carrier. It must be part…
Which of the following statements about hemoglobin and myoglobin structure are t
Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements. Both hemoglobin and myoglobin contain a prosthetic group call…
Which of the following statements about hemoglobin and myoglobin structure are t
Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements. a) Each hemoglobin or myoglobin molecule can bind four oxygen…
Which of the following statements about how acid catalyses the hydrolysis of est
Which of the following statements about how acid catalyses the hydrolysis of esters is (are) correct? A. The acid catalyst increases the rate of formation of the tetrahedral inter…
Which of the following statements about hydrates is true? Which of the following
Which of the following statements about hydrates is true? Which of the following statements about hydrates is true? Ionic compounds always take in the same amount of water when th…
Which of the following statements about hydrogen bonds aretrue? a) they are weak
Which of the following statements about hydrogen bonds aretrue? a) they are weak bonds involved in maintaining theconformation of macromolecules b) they are weak covalent bonds th…
Which of the following statements about ideal gases is incorrect ? At a constant
Which of the following statements about ideal gases is incorrect? At a constant temperature, when the pressure increases, the volume decreases. A gas with a larger molar mass will…
Which of the following statements about invasion and metastasis is FALSE? The de
Which of the following statements about invasion and metastasis is FALSE? The developmental epithelial-mesenchymal transition plays a role in invasion and metastasis. Micromctasta…
Which of the following statements about isotopes is true? A) Isotopes of the sam
Which of the following statements about isotopes is true? A) Isotopes of the same element differ only in the number of electrons they contain. B) An isotope of an atom with a larg…
Which of the following statements about isotopes/nuclides and NMR activity are t
Which of the following statements about isotopes/nuclides and NMR activity are true? (There is more than one true statement.) (4 marks) All nuclides that are NMR active have nucle…
Which of the following statements about ketone bodies is/are true? (Select ALL t
Which of the following statements about ketone bodies is/are true? (Select ALL that are true.) A. One cause of ketone body formation can be that oxaloacetate is being used up by c…
Which of the following statements about limiting reactant reactions is true? Cho
Which of the following statements about limiting reactant reactions is true? Choose all that are correct 1. There is always some of the non-limiting reactant(s) remaining after th…
Which of the following statements about limiting reactant reactions is true? Cho
Which of the following statements about limiting reactant reactions is true? Choose all that are correct 1. To find out which reactant is limiting, calculate how much product can …
Which of the following statements about liquids is true? A) Droplet formation oc
Which of the following statements about liquids is true? A) Droplet formation occurs because of the higher stability associated with increased 24. B) Substances that can form hydr…
Which of the following statements about liquids is true? A) Droplet formation oc
Which of the following statements about liquids is true? A) Droplet formation occurs because of the higher stability associated with increased 24. B) Substances that can form hydr…
Which of the following statements about liquids is true? Answer a. Droplet forma
Which of the following statements about liquids is true? Answer a. Droplet formation occurs because of the higher stability associated with increased surface area. b. Substances t…
Which of the following statements about liquids is true? Answer a. Droplet forma
Which of the following statements about liquids is true? Answer a. Droplet formation occurs because of the higher stability associated with increased surface area. b.Substances th…
Which of the following statements about main group elements and compounds is fal
Which of the following statements about main group elements and compounds is false? chlorophyll, one of the most important biological compounds is a complex of Mg the ionizable hy…
Which of the following statements about melting point determination is not true?
Which of the following statements about melting point determination is not true? The melting point is a physical measure of the forces holding the material into its crystal lattic…
Which of the following statements about necrophilia aromatic substitution are tr
Which of the following statements about necrophilia aromatic substitution are true? the method group -OCH_3 is an o p -directing activator because of a strong electron resonance e…
Which of the following statements about necrophilia aromatic substitution are tr
Which of the following statements about necrophilia aromatic substitution are true? the method group -OCH_3 is an o p -directing activator because of a strong electron resonance e…
Which of the following statements about nitrogenase catalysis is true? A) ATP hy
Which of the following statements about nitrogenase catalysis is true? A) ATP hydrolysis is used to drive the thermodynamically unfavorable cleavage of N2 B) ATP binding is used t…
Which of the following statements about protein structure is/are correct? a) Alp
Which of the following statements about protein structure is/are correct? a) Alpha-helix is stabilized primarily by the presence of numerous hydrophobic interactions. b) Beta stru…
Which of the following statements about pumped storage are true? Please select a
Which of the following statements about pumped storage are true? Please select all that apply It is does not require a large amount of capital. It is useful in areas with nuclear …
Which of the following statements about quantum numbers are true? (Use the drop
Which of the following statements about quantum numbers are true? (Use the drop down menus to choose "True" or "False" for each statement. You must get all of the statements corre…
Which of the following statements about quantum numbers are true? (Use the drop
Which of the following statements about quantum numbers are true? (Use the drop down menus to choose "True" or "False" for each statement. You must get all of the statements corre…
Which of the following statements about reducing sugars are true? Select all the
Which of the following statements about reducing sugars are true? Select all the true statements Areducing sugar will not react with the Cu2+ in Benedict's reagent Anacetal cannot…
Which of the following statements about reproductive toxicology (animal) studies
Which of the following statements about reproductive toxicology (animal) studies is true A. ) When there are no signs of reproductive effects in animals it is safe to use those dr…
Which of the following statements about sequence diagrams is wrong? a. This is a
Which of the following statements about sequence diagrams is wrong? a. This is a request from the object sending the message to the object receiving the message. The request is fo…
Which of the following statements about sewage treatment facilities in the indus
Which of the following statements about sewage treatment facilities in the industrialized world is true? A-Sewage treatment facilities generally remove solids but do not remove an…
Which of the following statements about solar photovoltaic systems is NOT correc
Which of the following statements about solar photovoltaic systems is NOT correct? a. Electrical current is produced when incoming photons of light have enough energy to excite el…
Which of the following statements about solutions are true? Choose all that are
Which of the following statements about solutions are true? Choose all that are correct 1. Most of the solution is the solvent 2. A solution contains solvent and solute 3. A solut…
Which of the following statements about solutions are true? Choose all that are
Which of the following statements about solutions are true? Choose all that are correct 1. If the solution contains a large amount of solute, it is referred to as dilute 2. If the…
Which of the following statements about solutions are true? Choose all that are
Which of the following statements about solutions are true? Choose all that are correct 1. Water is able to dissolve both anions and cations because it is a polar solvent 2. An io…
Which of the following statements about spontaneity are true? -A reaction with a
Which of the following statements about spontaneity are true? -A reaction with an increase in enthalpy and entropy will be spontaneous at all temperatures. -The enthalpy change in…
Which of the following statements about spontaneity are true? A decrease in the
Which of the following statements about spontaneity are true? A decrease in the entropy of the reaction ensures that only reactants will be formed during the course of a reaction.…
Which of the following statements about spontaneity are true? A decrease in the
Which of the following statements about spontaneity are true? A decrease in the entropy of the reaction ensures that only reactants will be formed during the course of a reaction.…
Which of the following statements about spontaneity are true? A reaction with an
Which of the following statements about spontaneity are true? A reaction with an increase in enthalpy and entropy will be spontaneous at all temperatures. A reaction with a negati…
Which of the following statements about spontaneous processes at consistant temp
Which of the following statements about spontaneous processes at consistant temperature and pressure is true? a. A spontaneous process having negative DeltaH and negative DeltaS i…
Which of the following statements about starch is false ? A. Starch may be diges
Which of the following statements about starch is false? A. Starch may be digested by people. B. The properties of starch are very similar to those of cellulose. C. Starch is form…
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