If K> 1, which of the following statements correctly describes E°? E>0 Under which of the...
Which of the following equations correctly describes the combustion of methane (CH4) gas? a. CH4 + 1/2O2 --> CO2 + H2O b. CH4 + O2 --> CO2 + H2O C. CH4 + O2 --> CO2 + 2 H2O d. CH4 + 2 O2 --> CO2 + 2 H2O e. CH4 + 3 O2 --> 2 CO2 + H2O
5. Which of the following statements correctly describes the molecule shown below? CH H A) It is achiral. B) It is meso. C) Its asymmetric center possesses the R configuration. D) The mirror image of this molecule is its enantiomer. E) The molecule possesses enantiotopic hydrogens.
Which of the following equations correctly represents an ionization energy reaction? Ale) --> A*(+e OA) -->A*+e A(s) --> A*&+e A+ e --> AC A(+ --> AC
Question 4 1 pts Which of the following correctly describes the Nat/K+-ATPase? O a. The ratio of Na+UK+ pumped in one cycle is 1:1. ob. It is electrogenic. O c. The pump is open to the cytosol in the E2 conformation. O d. It pumps faster in the presence of digitalis. Question 5 1 pts Which of the following best describes ATP synthase? O a. A pore for facilitated diffusion. O b. An escalator. c. A rotary motor. O d....
Which of the following statements correctly describes an advantage of having the principal shareholder of a business receive a salary rather than dividend income? a) Only by taking a salary can the principal shareholder minimize the overall tax cost of extracting money from the corporation. b) Taking a salary allows the principal shareholder to contribute to a Registered Retirement Savings Plan (RRSP). c) Taking a salary reduces the shareholder’s cumulative net investment loss (CNIL) balance, which will help ensure that...
A) H20 c) нсоз- E) H2CO3 DOH. 22) Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A) In acids, [OH-] is greater than [H3O* B) In bases, [OH-]- [H3o*]. C) In neutral solutions, [H3O"] = [H20]. D) In bases, [OH-] is greater than [H3o*]. E) In bases, [OH-] is less than [H30*]. 23) Which of the following is a buffer system? A) NaCl(aq) and NaNO3(aq) C) H2CO3(aq) and KHCO3 (aq) E) H20(0) and HCl(aq)...
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle of viral Many bacterial cells containing viral DNA are produced 8) Viral DNA is incorporated into the host genome C) Th e viral genome replicates without destroying the host The bacterial host provides the nucleotides, enzymes, ribosomes and other co requires to make viral components D) 2. What is the function of the viral glycoproteins that are present in an enveloped virus? A) They...
Under which of the following conditions will a cell do the most work? (A) Q/K < 1 (B) Q/K = 1 (C) E° < 0 (D) E° = 0 (E) Q/K > 1 The correct answer is A, but why ? Thanks.
Which of the following statements correctly describes the general reactivity of alkynes? A) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile.B) The σ bonds of alkynes are higher in energy than the π bonds and are thusmore reactive. C) Unlike alkenes, alkynes fail to undergo electrophilic addition reactions. D) Alkynes are generally more reactive than alkenes. E) Alkynes react as electrophiles, whereas alkenes reacts as nucleophiles.
Which of the following statements correctly describes the properties of ethylene? Select one: a. The H-C-H bond angles are approximately 109.5º. b. There are a total of 6 sigma bonds. c. The C-C bond is shorter and stronger than the C-C bond in ethane. d. The C-C bond is free to rotate.