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Using the graph given, which metal can be titrated better with EDTA?
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- Ksp for Co(OH)2 is 5.92x10^-15It is estimated that the net amount of carbon dioxide fixed byphotosynthesis on the landmass of Earth is 5.5 * 1016 g>yrof CO2. Assume that all this carbon is converted into glucose.(a) Calculate the energy stored by photosynthesis onland per year, in kJ. (b) Calculate the average rate of conversionof solar energy into plant energy in megawatts, MW11W = 1 J>s2. A large nuclear power plant produces about103 MW. The energy of how many such nuclear power plantsis equivalent to the solar energy conversion?Integrative ExercisesA wet pipette was used to transfer 10.00 mL of 1M HNO3 in the determination of ΔHrxn. [magnitude of ΔHrxn] In a maximum of 3 sentences explain why ΔHrxn decreases.
- The Ksp value of magnesium fluoride is 5.16 X 10^-11 at 25 Celcius. MgF2 (s ) -> Mg^2+ (aq) +2F^- (aq)Calculate delt g for Pbl2(s) + Pb2+(aq) +2I-(aq) T= 25C Kp= 8.7x10-9Calculate the Ksp for Ni(OH)2 Ni(OH)2(s) + 2 e- ⟶ Ni(s) + 2OH-(aq); Eo = -0.720 VNi2+(aq) + 2 e- ⟶ Ni(s); Eo = -0.250 V 7.56x1015 1.15x10-8 1.70x10-33 1.32x10-16
- Extraction of DNA involves the use of a 1 M phosphate buffer (1-liter volume) having the hydrogen ion concentration of 6.165950019 x 10-9 M. Three pKa of phosphoric acid are available Concentrated phosphoric acid (85% w/w; Sp. Gr. = 1.70; MW = 98 g/mol) Sodium dihydrogen phosphate monohydrate (MW = 138g/mol) Sodium biphosphate heptahydrate (MW = 268g/mol) Tribasic sodium phosphate monohydrate (MW = 182 g/mol) Sodium hydroxide pellets (40 grams/mol) Question: What is the pH of the solution? (answer in two decimal places) How much of the weak acid component should be used? (Note for answer: Round to the nearest hundredth and include the unit such as "grams or milliliters"; Ex. 100.00 grams or 100.00g for weight & 100.00 milliliters or 100.00 mL for volume) Question: What is the suitable buffer component to be used? (Note for the answer: Separate the two components with “and”; Ex: Ammonia and Ammonium chloride) Question: How much of the salt component should be used?…You are trying to come up with a drug to inhibit the activity of an enzyme thought to have a role in liver disease. In the laboratory the enzyme was shown to have a Km of 1.0 x 10-6 M and Vmax of 0.1 micromoles/min.mg measured at room temperature. You developed a competitive inhibitor. In the presence of 5.0 x 10-5 M inhibitor, the apparent Km of the enzyme was found to be 1.5 x 10-5 M. What is the Ki of the inhibitor?You are trying to come up with a drug to inhibit the activity of an enzyme thought to have a role in liver disease. In the laboratory the enzyme was shown to have a Km of 1.0 x 10-6 M and Vmax of 0.1 micromoles/min.mg measured at room temperature. You developed an uncompetitive inhibitor. In the presence of 5.0 x 10-5 M inhibitor, the apparent Vmax was determined to be 0.02 micromoles/min.mg. What is the Ki of the inhibitor?
- Hiii!! does anyone here can help me with this said activity? How can i know what the vid is telling ( https://youtu.be/dinNjEiqxcg , https://youtu.be/Xj0X3CS9J3k , and https://youtu.be/1IaaMeGQwdg ). thank u9. Calculate the Go in kJ/mol. 3Fe2+ (s) + 2Cr(aq) ⟶2Cr3+(aq) + 3Fe (s); Eocell=0.30 V Group of answer choices -170 +170 +87 +58 -195 10. Calculate Ecell in volts. Zn(s)|Zn2+(2.50x10-4M)||Sn2+(1.50M)|Sn(s) Eocell=+0.624 V Group of answer choices 0.736 0.635 0.512 0.848 no correct answer2 what is the purpose of BSC Level 1 & 2, proper layout, performance, and its application in biosafety assessment