Chemistry question and answers for September 25, 2023
- Q Howdo HABA and salicylate bind to BSA?The lab is show as below: perform a saturation binding studyand a competitive binding assay. Use the plate reader and theabsorbance at 490 nm.
- Q which compound the greatest lattice energy?AIP vs AINKCl vs KBrNaCl vs NaBrMgO vs MgSNaCl vs KCL
- Q Considering the ionic equilibrium of your artificial kidneystone, how could you manipulate the chemical environment todecrease the solubility of your stone? What would be the effect ofthe solubility of your...
- Q Iodine-137 decays to give xenon-137, which decays to givecesium-137. What are the modes of decay in these two reactions?
- Q 4)Calculate the Ecell of: Al(s) +Cu2+(aq)(0.010M) → Al3+(aq)(1.0M) + Cu(s) (isthis balanced?)A. 2.06 B. 1.94 C. -2.065)Calculate the Eocell for: Fe(s) + Br2(g)→  Fe2+(aq) +Br-(aq) ; is thiselectrolytic or voltaic?A.-1.52V...
- Q Write the IUPAC name for each of the following compounds:a. [Cr(NH3)5Cl]2+b.  [W(NH3)3(H2O)3]2+c.   [Fe(H2O)6]3+
- Q Write the molecular equation, complete ionic equation and Netionic equation for the following:(a) NaC2H3O2+H2SO4 =molecular equation----Complete Ionic equation---Net ionic Equation-----(b) CuSO4 + NH3Molecular equation---Complete ionic equation---Net ionic equation-----(c) KI +...
- Q Identify the most likely transition metalM:a)  K3[M(CN)6], in which M is afirst-series transition metal and the complex has 3 unpairedelectrons.b)  [M(H2O)6]3+, in which M is asecond-series transition metal and LFSE = –2.4...
- Q Much like the CO ligands, cyanide (CN-) ligands haveIR stretching frequencies that are distinctive and therefore oftenparticularly useful. Consult an appropriate character table, andgive a reducible representation for the cyanide...
- Q For the following molecules (with their principal rotationalaxis defined as the z axis), Give the followinginformation: (a) The total degrees of freedom,(b) The reducible representation for the motionsof the molecule,...
- Q (1) Show with the aid of diagrams the action of each of thefollowing symmetry operations on a point located at (x, y, z). C4S4 {2 marks}(2) With reference to a...
- Q Write a detailed procedure for converting a chemicalformula into a Lewis structure and how to determine the shape, andpolarity from this Lewis structure.Write a detailed procedure inyour own words for...
- Q A compound of chlorine and fluorine, ClFn, reacts atabout 75?C with uranium metal to produce uranium hexafluoride,UF6, and chlorine monofluoride, ClF (g). A quantity ofuranium produced 3.53g UF6 and 343...
- Q For the diprotic weak acid H2A, Ka1 = 3.0 × 10^-6 and Ka2 = 7.6× 10^-9. What is the pH of a 0.0600 M solution of H2A? What are theequilibrium...
- Q (a) In the cracking of dicyclopentadiene (BP = 1700C), why isimportant to correctly adjust the heater temperature so that thethermometer reading stays as close as possible to 410C? (b) If...
- Q A gas composed of methane and ethane has a specific gravity of0.75. What is the weight percent and volume percent of the methanein the mixture?
- Q Balanced redox equation: MnO41- +8H1+ + 5Fe2+ → 5Fe3+ +Mn2+ + 4H2OTitration 1Titration 2Volume of FeSO410 ml10 mlMolarity of FeSO40.10.1Coefficient of FeSO4, from redox equation55Initial level of MnO41-015.1Final level of...
- Q Consider the chemical equation 2NH3 ? N2 + 3H2. the equilibriumis to be established in a 1 liter container at 1,000 K, where Kc=4.0*^-2. Initially1,220 moles of NH3 are present....
- Q Which of the following is true about amino acids withisoelectric point around pH 10?a. the side chain must be acidicb. the side chain must be basocc.the side chain must be...
- Q In general, rain water is more acidic than surface water due tothe properties of sulfur oxides in the air which differ from thoseof CO2. State ONE property of SO2 which...
- Q A 2.250×10−2M solution of NaCl in water is at 20.0∘C. Thesample was created by dissolving a sample of NaCl in water and thenbringing the volume up to 1.000 L. It...
- Q Data Tables:Drops of   HCl addedpH Beaker 1Acetic Acid + AcetatepH Beaker 2Ammonia + AmmoniumpH Beaker 3Water0 drops4.869.555.492drops4.769.462.614drops4.619.352.346 drops4.509.242.178 drops4.369.122.0610drops4.218.961.9912drops4.028.751.90Drops of NaOH addedpH Beaker 1Acetic Acid + AcetatepH Beaker 2Ammonia+ AmmoniumpH...
- Q You are asked to prepare 3.4L of a HCN/NaCN buffer that has a pHof 9.55 and an osmotic pressure of 1.13atm at 298 K. What masses ofHCN and NaCN should...
- Q Hydrogen bromide, HBr, is a colourless gas. Consider itsdissociation reaction 2HBr (g) « H2 (g) + Br2 (g) DfHo (kJ/mol)-36.4 +30.9 So (J/K.mol) +198.7 +130.7 +245.5 ooo a) DetermineDeltaH ,...
- Q Standardize the KMnO4 using 0.1M (NH4)2(FE(SO4)26H2O (rememberdissolve in H2SO4)please display your full workings
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!