please do #4, #5, #6 for a thumbs up. if you only do one of those
problem i will thumbs down. please also be VERY detailed on how or
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please do #4, #5, #6 for a thumbs up. if you only do one of those...
6 (4 pts, total: 2 pts, each) For each of the following questions, circle the BEST...
6 (4 pts, total: 2 pts, each) For each of the following questions, circle the BEST a. Strongest Bronsted-Lowry acid HF HCI HBO HI b. Has the lowest pk. CH NH H2O Has 7. (4 pts total, 2 pts each) For each of the following molecular structures, circle the MOST acidic hydrogen. Note that lone pairs have been omitted for clarity. HH HHHH Horacaugh a HHH b Hн 8. (4 pts. total; 2 pts, each) in the space provided below,...
please help answer ALL questions. Thank you. 6. Rank all of the functional groups we have...
please help answer ALL questions. Thank you.
6. Rank all of the functional groups we have studied so far in order of lowest to highest boiling points. There should be three categories: nonpolar molecules with just London Forces, polar molecules with just dipole-dipole interactions, and hydrogen bonding capable molecules. 7. Which of the families listed above hydrogen bond with water molecules? 8. Give all three definitions of acids and bases: Arrhenius, Bronsted Lowry. Lewis. Show how methanamine qualifies as a...
show all work please thank you!! 6. (4 pts total; 2 pts, each) For each of...
show all work please thank you!!
6. (4 pts total; 2 pts, each) For each of the following questions, circle the BEST answer a. Strongest Bronsted-Lowry acid HF HCI HBr b. Has the lowest pka CHA NH Hao HAS 7. (4 pts total, 2 pts each) For each of the following molecular structures, circle the MOST acidic hydrogen. Note that lone pairs have been omitted for clarity. HH нннн HANC COH HHH HH
Please do all of them I have no more questions remain to ask so please do...
Please do all of them I have
no more questions remain to ask so please do all of them I would
really appreciate it I do Rate Please do all of them :) I really
need help doing my hw I don't understand it please help me
Clam rences] 1 pt Use the References to access important values if needed for this question. 1 pt Oxides can react with water to form acids or bases. Identify each of the following...
4. Consider phosphonic acid, an inorganic acid that has both the empirical and molecular formua HaPOs......
4. Consider phosphonic acid, an inorganic acid that has both the empirical and molecular formua HaPOs... a. (4 pts) Draw the most stable Lewis electron dot structure for HaPOs containing one double bond and no formal charges. Place your answer in the space provided. HaPOs with one double bond b. (3 pts) What is the orbital hybridization at phosphorus in your answer to part (a)? (4 pts) Draw the most stable Lewis electron dot structure for HaPOs containing no double...
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are...
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are called enzymes. The basic building blocks of proteins are called amino acids and have the general structure pictured below, left, where R is a substituent containing one of many organic functional groups. Some representative examples of amino acids found in nature are pictured here as well (R groups only) сн. н 0:00 HO-C-H. HỌC-C-CH, CH,SH H-C-H H2N -CO,H H An Amino Acid Threonine Valine...
show all work please! lear suc ernt raT ity 5. At any given temperature (not 298K),...
show all work please!
lear suc ernt raT ity 5. At any given temperature (not 298K), the neutral pH is 6.68. Which of the statements below is TRUE? A. At pH6.68 [H3 OH B. At this temperature Kw 2.1 x 107 C. ApH> 6.68 will be considered acidic D. At pH 6.68: [H30 2.1x 107 M net 6. At 298 K, a solution has a lOH)-7.1x10-3 M. Which of the statements below is TRUE? cid A. The pH is 2.15...
please solve 4 of them, thank you. 2. Buffer Questions (Do 4 of 5 problems---6 pts...
please solve 4 of them, thank you.
2. Buffer Questions (Do 4 of 5 problems---6 pts each) a. Three different weak bases and their Kh values are listed below in a table. Which one would be best to form a buffer with a pH of 8.50? Explain why, and numerical calculations are expected as part of your answer to receive full credit. K = K,K) = 1.0 x 10-14 Weak Base K, Value KPK ammonia (1,8 x 10 hydrazine 1.3...
please explain how you got your all your answers 5. Which one of the following conditions...
please explain how you got your all your answers
5. Which one of the following conditions is always TRUE for a titration of a WEAK ACID with a STRONG BASE? a. A colored indicator with a pka less than 7 should be used. b. Equal volumes of weak acid and strong base are required to reach the equivalence point. c. The equivalence point occurs at a pH equal to 7. d. The equivalence point occurs at a pH greater than...
i want answer to all questions please Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the so...
i want answer to all questions please
Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
6 (4 pts, total: 2 pts, each) For each of the following questions, circle the BEST a. Strongest Bronsted-Lowry acid HF HCI HBO HI b. Has the lowest pk. CH NH H2O Has 7. (4 pts total, 2 pts each) For each of the following molecular structures, circle the MOST acidic hydrogen. Note that lone pairs have been omitted for clarity. HH HHHH Horacaugh a HHH b Hн 8. (4 pts. total; 2 pts, each) in the space provided below,...
please help answer ALL questions. Thank you.
6. Rank all of the functional groups we have studied so far in order of lowest to highest boiling points. There should be three categories: nonpolar molecules with just London Forces, polar molecules with just dipole-dipole interactions, and hydrogen bonding capable molecules. 7. Which of the families listed above hydrogen bond with water molecules? 8. Give all three definitions of acids and bases: Arrhenius, Bronsted Lowry. Lewis. Show how methanamine qualifies as a...
show all work please thank you!!
6. (4 pts total; 2 pts, each) For each of the following questions, circle the BEST answer a. Strongest Bronsted-Lowry acid HF HCI HBr b. Has the lowest pka CHA NH Hao HAS 7. (4 pts total, 2 pts each) For each of the following molecular structures, circle the MOST acidic hydrogen. Note that lone pairs have been omitted for clarity. HH нннн HANC COH HHH HH
Please do all of them I have
no more questions remain to ask so please do all of them I would
really appreciate it I do Rate Please do all of them :) I really
need help doing my hw I don't understand it please help me
Clam rences] 1 pt Use the References to access important values if needed for this question. 1 pt Oxides can react with water to form acids or bases. Identify each of the following...
4. Consider phosphonic acid, an inorganic acid that has both the empirical and molecular formua HaPOs... a. (4 pts) Draw the most stable Lewis electron dot structure for HaPOs containing one double bond and no formal charges. Place your answer in the space provided. HaPOs with one double bond b. (3 pts) What is the orbital hybridization at phosphorus in your answer to part (a)? (4 pts) Draw the most stable Lewis electron dot structure for HaPOs containing no double...
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are called enzymes. The basic building blocks of proteins are called amino acids and have the general structure pictured below, left, where R is a substituent containing one of many organic functional groups. Some representative examples of amino acids found in nature are pictured here as well (R groups only) сн. н 0:00 HO-C-H. HỌC-C-CH, CH,SH H-C-H H2N -CO,H H An Amino Acid Threonine Valine...
show all work please!
lear suc ernt raT ity 5. At any given temperature (not 298K), the neutral pH is 6.68. Which of the statements below is TRUE? A. At pH6.68 [H3 OH B. At this temperature Kw 2.1 x 107 C. ApH> 6.68 will be considered acidic D. At pH 6.68: [H30 2.1x 107 M net 6. At 298 K, a solution has a lOH)-7.1x10-3 M. Which of the statements below is TRUE? cid A. The pH is 2.15...
please solve 4 of them, thank you.
2. Buffer Questions (Do 4 of 5 problems---6 pts each) a. Three different weak bases and their Kh values are listed below in a table. Which one would be best to form a buffer with a pH of 8.50? Explain why, and numerical calculations are expected as part of your answer to receive full credit. K = K,K) = 1.0 x 10-14 Weak Base K, Value KPK ammonia (1,8 x 10 hydrazine 1.3...
please explain how you got your all your answers
5. Which one of the following conditions is always TRUE for a titration of a WEAK ACID with a STRONG BASE? a. A colored indicator with a pka less than 7 should be used. b. Equal volumes of weak acid and strong base are required to reach the equivalence point. c. The equivalence point occurs at a pH equal to 7. d. The equivalence point occurs at a pH greater than...
i want answer to all questions please
Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
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