please help. thank you Incorrect Question 14 0/5 pts Which of the following salts will be...
Exp 7_C Post-Lab Chemical Equilibrium (10 pts/show all work) Determine if the following salts will be acidic, basic, or neutral. For each salt show the 1. balanced equation for ionization in H20 and Example: NaNO2(aq)> Na (aq)+ NO2 (aq) 2. how the ion products form which determine pH by producing OH or H30 Example: NO2(aq) +H20(1) <>HNO2(aq)+ OH (aq) If the salt is neutral give a brief explanation. a) LiF b) BaBr2 c) NHa d) CaSO3 ?) ???.
Question 2 Not yet answered Which of the following salts when dissolved in water will yield a solution with a basic pH? Hint: You may need to use information from appendix 5. Because there are multiple correct answers, you will lose points for incorrect answers. Marked out of 0.63 Flag question Select one or more: a. NaF b. NaHSO4 о с. Кнсо, O d. Na, co e. NH C1
Incorrect Question 20 0/5 pts Identify the process which is exothermic and spontaneous. melting of ice to water All of them are exothermic and spontaneous. dissolution of potassium fluoride in water None of them is exothermic and spontaneous. melting of ice at 20°C
Asap, please. Incorrect Question 13 0/2 pts Which of the following is/are among the general characteristics of the fat-soluble vitamins? (Select All That Apply) Excesses are eliminated by the kidneys Absorption occurs in the small intestine They can be stored in the body Excess ingestion can lead to toxicity due to storage in the body Incorrect Question 13 0/2 pts Which of the following is/are among the general characteristics of the fat-soluble vitamins? (Select All That Apply) Excesses are eliminated...
Question 18 4 pts Which compound would give the following elemental analysis? C:87.19 H: 12.61 B C D. OC OB OD OA Question 19 5 pts
thank you for your help! Question 4 1 pts All of the following nucleophiles add reversibly to ketones. All of them can be driven to completion by removal of water except one. Which one? A, KCN / HCN В. Меон C. R-NH2 D. R-NH-R OA Question 8 1 pts What are the products of the following reaction? HO CHS A. "a" and "c B. "a" and "d" C. "b" and "c" D. "b" and "d" OA
Incorrect Question 11 0/5 pts Which of the following is NOT an essential role that individual states play in healthcare policymaking? Licensing of healthcare professionals Regulation of insurance carriers Health personnel training Providing all funding for graduate medical residents
Please help! Thank you! T Let r(2) = Find the intervals on which the function r is increasing. (1-1) OA. (-1,1) OB.(-0, -1) OC. (-0,0) OD. (0,1) Find the local maxima and minima ofr. O A. min at (0,0); max at (-1,-) OB. no min; max at (0,0) OC. mins at (0,0) and (-1,-1) D. min at (-1,-1); no max Find the intervals on which r is concave upward. OA. (-2, 1) and (1, 0) OB.(-00,-2) OC. (-0, -2) and...
Question 14 5 pts Cations (positive ions) are then their parent atoms; Anions (negative ions) are then their parent atoms. Smaller, Smaller Larger, Larger Smaller, Larger Larger, Smaller Question 15 5 pts Moving top to bottom down a group, atomic radius__and ionization energy - Decreases, Increases Increases, Decreases Decreases, Decreases Increases, Increases Question 16 5 pts Which element would have the largest radius? Ca Na Mg Question 17 5 pts Which of the following is not a property of metals?...
Help 0/5 pts Incorrect Question 4 For Fe2+ what is the value of the high spin state 0 a, 0 ○ b. 1/2 c. 2 d. 5/2