Question 3 Homework Unanswered What is the dominant form of tryptophan, structure shown to the right,...
Bleach is a common household cleaner that removes stains, disinfects, and can be used to whiten clothes. The % ionization curve for hypochlorite is shown to the right. The primary ingredient of household bleach is sodium hypochlorite (NaCl), which is typically in a concentration around 0.67 M of the base OCI. What is the pH of household bleach? 1001.------- 1 1- % OCI ------- -- - - 1 ILI I - - 50 L 1 TT +- - - --...
Question 4 Homework - Unanswered If you wanted to create a buffer with a fixed pH that would ensure the structure shown to the right is the dominate species in solution, which conjugate pair below would you choose? O A NH3/NH4+ (Ka = 5.16 x 10-10) CH3COOCH3COOH (Ka = 1,8 x 10 o'c HF/F (K. -6.8 x 10-4) o D none of these 1 attempt left. Change your responses to resubmit
... 3 Homework. Unanswered. Due in a day What is the most likely structure of the compound based on the IR spectrum shown? 100- Transmittance 3403 3083 1604 1503 749 4000 3000 2000 1500 1000 500 Wavenumber AK -NH-CH-CH, NH-CH-CH3 B( -CH2CH2OH C-CH2CH2OH NH-CH2CH3 C-CH2NH2 Unanswered 2 attempts left Submit
Homework. Unanswered. Due in a day What is the most likely structure of the compound based on IR spectrum shown? Transmittance 2118 1420 2951 3298 1059 639 4000 3000 2000 1500 1000 500 Wavenumber D) NH2 OH / B) HO OH Unanswered 2 attempts left Submit
Methyldopa (C10H13N04) is used to treat high blood pressure during pregnancy. Its molecular structure is shown below. The pka of the carboxylic group is 1.7 and the pk of the amine group is 4.2. Which of the following forms of this drug is likely to be present in our blood which has a pH close to 7.4? НО. ОН NH2 НО НО. он NH2 NH НО НО с. Но d. HO он NH2 HO НО o А а.
Which of the pH conditions shown below would give this heptapeptide an overall charge of +2? COOH CH2 CH NH NH. CH5 HN CH NH,— сH,CH,CH,CH NH NH2 NH C но CH CH2 CH C СООН (a) The cyclic structure means that the system will always be isoelectronic (b) рH %3 3 (c) Neutral pH (d) pH 10 (e) The system will always be charged as it is a zwitterion = 40 Which of the pH conditions shown below would...
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of lysine as it would exist in aq. solution at neutral pH. H2N-CH-C-OH CH2 CH2 CH2 1 CH2 1 NH2 lysine O HNCH CH-Z8 OH =ç«-&_• HN-CH- CH2 HUN-CH 1 CH2 CH2 HEN-CH CH2 CH2 CH2 CH2 1 NH2 HENCH CH2 CH 1 CH2 CH H2N-CH CH2 CH2 CH2 CH2 NH, CH2 CH2 CH2 CH2 NH3 CH2 @NH @NH A B С D E
7. Below is the structure of lysine in its hypothetical neutral form. Choose the structure of lysine as it would exist in aq. solution at neutral pH. O HN-CH-C-OH CH CH CH CH NH2 lysine . HUN-CH-C- CH-8- -OH ---- H2N-CH HN- OH CH2 H₂N-CH 1 CH2 CH2 1 CH2 H₂N -CH- CH2 CH2 CH2 CH2 CH2 CH CH CH2 CH CH2 CH2 CHE CH2 CH2 NH CH2 CH2 NHS NHS NH3 E NH2 D с B А
Diprotic acid (H2A), Part II (Homework) Homework. Unanswered For carbonic acid, Kail = 4,5 x 10-7. What is the (HCO3-) in a 0.10 M carbonic acid solution? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g, 2.5E5 for 2.5 x 10" Numeric Answer: Unanswered * Submit Diprotic Acid (H2A), Part 1 (Homework) Homework . Unanswered For carbonic acid, Kal = 4.5x 10-7. What is the pH of a 0.10...
Xtv /assigned/ Due Mar 22:15.5 Homework 6/16 answered Q15.26 Homework – Unanswered What is the pH of a 0.067 M solution of acetic acid, whose K_a=1.8 10^{-5}? Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimal e.g 2.5E5 for 2.5 x 10") Numeric Answer Unanswered - Submit