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You need an acid that will spontaneously oxidize Sn, but NOT spontaneously oxidize Ag. How...
In the absence of O2, most cells? 1. reduce pyruvate and oxidize lipoic acid 2. Oxidize...
In the absence of O2, most cells? 1. reduce pyruvate and oxidize lipoic acid 2. Oxidize pyruvate and reduce NAD 3. oxidize pyruvate and release CO2 4. Reduce pyruvate and oxidize NADH Which of the following is true in regards to carbohydrates? 1.Monomeric unit is a polyomino aldehyde or keton 2.cyclic form of ketose is hemiacetal 3. anomers are usually defined by stereochemistry at the 1' carbon of an aldose
3. Calculate AG° for the following reaction at 25°C. Will the reaction occur spontaneously? How do...
3. Calculate AG° for the following reaction at 25°C. Will the reaction occur spontaneously? How do you know? Explain your answer. NH3(g) HCl(g)-- NH4CI (s), AH° = -176 kJ , AS°= -284.8 J/K
need help solving You have 45.0 mL of sample of nitric acid at an unknown concentration....
need help solving
You have 45.0 mL of sample of nitric acid at an unknown concentration. You titrate the sample with 0.1050 M sodium hydroxide and the endpoint is reached at 1285 ml. What was the molarity of the nitric acid solution?
b. b. The equation for the reaction of silver with dilute nitric acid is: 3 Ag...
b. b. The equation for the reaction of silver with dilute nitric acid is: 3 Ag + 4 HNO3 -> 3AgNO3 + NO (g) + 2 H20. if 2.30 g of silver are dissolved in xs (excess) nitric acid, this is moles of silver, and you will liberate moles of NO gas, which will occupy liters at 60°C and 715 torr.
1. Which metal can reduce Ni2+ ions but not Fe2+ ions? Cd²⁺，Cr，Sn²⁺，Sn，Cd 2.Which species can oxidize...
1. Which metal can reduce Ni2+ ions but not Fe2+ ions?
Cd²⁺，Cr，Sn²⁺，Sn，Cd
2.Which species can oxidize Sn but not Fe?
Ni，Ni²⁺，Pb²⁺，Cd，Pb
1.68 1.51 1.50 1.09 1.00 0.96 0.95 FAO) + 2 H,0,1a) + 2H(aq) + 2e PO4 + 4H"(aq) + S0,00) + 2€ Mno. (aq) + 4H(aq) + 3e Mno,aq) + 8H(aq) + 5e Au?+ (aq) + 3€ PbO (8) + 4H(aq) + 2 Cl@) + 2 Cr,0,?" (aq) + 14 H*(aq) + 6e 0,(@) + 4H(aq) + 4e MnO...
I need help with these two problems. Can you show me the step by step process...
I need help with these two problems. Can you show me the step by
step process please. Thank you!
Question 4 (1 point) ✓ Saved How many grams of sodium chloride should be used in compounding the pres Rx Cocaine Hydrochloride 0.6 g Eucatropine Hydrochloride 0.6 g Chlorobutanol 0.1g Sodium Chloride 9.s. Sterile Water ad 30.0 Make isoton. Sol. Sig. For the eye 0.036 grams Question 5 (1 point) How many milligrams of NaCl are required to prepare the following...
please show work :) 7. You need to make a buffer to keep a solution at...
please show work :)
7. You need to make a buffer to keep a solution at a pH of 2.50. You have several combinations of weak acids and their conjugate bases to choose from. 1. Chloroacetic acid (K4 = 1.40 x 103) and sodium chloroacetate 2. Formic acid (Ka = 1.77 x 10-4) and sodium formate 3. Iodic acid (Ka = 1.60 x 10-1) and sodium iodate 4. Phosphoric acid (K. = 7.52 x 10-3) and sodium phosphate 5. Propionic...
(2) (4 pts) Gaseous nitrogen dioxide disproportionates spontaneously into nitric acid and nitrous acid in acidic aqueo...
(2) (4 pts) Gaseous nitrogen dioxide disproportionates spontaneously into nitric acid and nitrous acid in acidic aqueous solution. Show this by writing the balanced chemical reaction and evaluating the standard emf (in V) for the reaction. Useful Information Ed(V) Half-reaction red 2 H'(aq) 2 e > H2(g) 0.00 > NO2(g) H2O(I) +0.79 NO3 (аq) + 2 H" (аq) + е - NO: (aq) + 4 H (ад) + 3 е —> NO(g) + 2 H-0() +0.96 AuCla (aq) + 3...
7. You need to make a buffer to keep a solution at a pH of 2.50....
7. You need to make a buffer to keep a solution at a pH of 2.50. You have several combinations of weak acids and their conjugate bases to choose from. 1. Chloroacetic acid (K. = 1.40 x 10") and sodium chloroacetate 2. Formic acid (K= 1.77 x 104) and sodium formate 3. Iodic acid (K-1.60 x 10-') and sodium iodate 4. Phosphoric acid (K, = 7.52 x 10%) and sodium phosphate 5. Propionic acid (K, - 1.34 x 10 %)...
CID NOMENCLATURE Give the formulas of the following compounds: 1. hydrochloric acid 2. chromie acid 3....
CID NOMENCLATURE Give the formulas of the following compounds: 1. hydrochloric acid 2. chromie acid 3. nitrous acid 4. phosphoric acid 5. chloric acid 6. chlorous acid 7. acetic acid 8. oxalic acid 9. sulfuric acid 10. carbonic acid 11. perbromic acid 12. nitric acid 13. hydrofluoric acid 14. sulfurous acid 15. phosphorous acid 16. hypochlorous acid 17. hydrosulfuric acid Give the names of the following compounds (in aqueous solution): 1. H2SO3 (aq) 2. HyPOs (aq) 3. HNO3 (aq) 4....
3. Calculate AG° for the following reaction at 25°C. Will the reaction occur spontaneously? How do you know? Explain your answer. NH3(g) HCl(g)-- NH4CI (s), AH° = -176 kJ , AS°= -284.8 J/K
need help solving
You have 45.0 mL of sample of nitric acid at an unknown concentration. You titrate the sample with 0.1050 M sodium hydroxide and the endpoint is reached at 1285 ml. What was the molarity of the nitric acid solution?
b. b. The equation for the reaction of silver with dilute nitric acid is: 3 Ag + 4 HNO3 -> 3AgNO3 + NO (g) + 2 H20. if 2.30 g of silver are dissolved in xs (excess) nitric acid, this is moles of silver, and you will liberate moles of NO gas, which will occupy liters at 60°C and 715 torr.
1. Which metal can reduce Ni2+ ions but not Fe2+ ions?
Cd²⁺，Cr，Sn²⁺，Sn，Cd
2.Which species can oxidize Sn but not Fe?
Ni，Ni²⁺，Pb²⁺，Cd，Pb
1.68 1.51 1.50 1.09 1.00 0.96 0.95 FAO) + 2 H,0,1a) + 2H(aq) + 2e PO4 + 4H"(aq) + S0,00) + 2€ Mno. (aq) + 4H(aq) + 3e Mno,aq) + 8H(aq) + 5e Au?+ (aq) + 3€ PbO (8) + 4H(aq) + 2 Cl@) + 2 Cr,0,?" (aq) + 14 H*(aq) + 6e 0,(@) + 4H(aq) + 4e MnO...
I need help with these two problems. Can you show me the step by
step process please. Thank you!
Question 4 (1 point) ✓ Saved How many grams of sodium chloride should be used in compounding the pres Rx Cocaine Hydrochloride 0.6 g Eucatropine Hydrochloride 0.6 g Chlorobutanol 0.1g Sodium Chloride 9.s. Sterile Water ad 30.0 Make isoton. Sol. Sig. For the eye 0.036 grams Question 5 (1 point) How many milligrams of NaCl are required to prepare the following...
please show work :)
7. You need to make a buffer to keep a solution at a pH of 2.50. You have several combinations of weak acids and their conjugate bases to choose from. 1. Chloroacetic acid (K4 = 1.40 x 103) and sodium chloroacetate 2. Formic acid (Ka = 1.77 x 10-4) and sodium formate 3. Iodic acid (Ka = 1.60 x 10-1) and sodium iodate 4. Phosphoric acid (K. = 7.52 x 10-3) and sodium phosphate 5. Propionic...
(2) (4 pts) Gaseous nitrogen dioxide disproportionates spontaneously into nitric acid and nitrous acid in acidic aqueous solution. Show this by writing the balanced chemical reaction and evaluating the standard emf (in V) for the reaction. Useful Information Ed(V) Half-reaction red 2 H'(aq) 2 e > H2(g) 0.00 > NO2(g) H2O(I) +0.79 NO3 (аq) + 2 H" (аq) + е - NO: (aq) + 4 H (ад) + 3 е —> NO(g) + 2 H-0() +0.96 AuCla (aq) + 3...
7. You need to make a buffer to keep a solution at a pH of 2.50. You have several combinations of weak acids and their conjugate bases to choose from. 1. Chloroacetic acid (K. = 1.40 x 10") and sodium chloroacetate 2. Formic acid (K= 1.77 x 104) and sodium formate 3. Iodic acid (K-1.60 x 10-') and sodium iodate 4. Phosphoric acid (K, = 7.52 x 10%) and sodium phosphate 5. Propionic acid (K, - 1.34 x 10 %)...
CID NOMENCLATURE Give the formulas of the following compounds: 1. hydrochloric acid 2. chromie acid 3. nitrous acid 4. phosphoric acid 5. chloric acid 6. chlorous acid 7. acetic acid 8. oxalic acid 9. sulfuric acid 10. carbonic acid 11. perbromic acid 12. nitric acid 13. hydrofluoric acid 14. sulfurous acid 15. phosphorous acid 16. hypochlorous acid 17. hydrosulfuric acid Give the names of the following compounds (in aqueous solution): 1. H2SO3 (aq) 2. HyPOs (aq) 3. HNO3 (aq) 4....
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