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I'm not sure what type of reaction this is.
![A B
k2
C
If ki
=
2k2 and only A was present initially the ratio [B]:[C] will be:
(a) 1:2 (b) 2:1 (c) 1:4 (d) 4:1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46c86500-ee48-4f0a-8647-9aedccabe210%2Fb4edcedd-0c59-4cca-a939-6f282fd5504c%2F73ku5fi_processed.jpeg&w=3840&q=75)
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- In a survey of 1000 large corporations, 250 said that, given a choice between a job candidate who smokes and an equally qualified nonsmoker, the nonsmoker would get the job (USA Today).(a) Let p represent the proportion of all corporations preferring a nonsmoking candidate. Find a point estimate for p.(b) Find a 0.95 confidence interval for p.(c) As a news writer, how would you report the survey results regarding the proportion of corporations that hire the equally qualified nonsmoker? What is the margin of error based on a 95% confidence interval?(d) By using the data provided below, calculate the PillingBedworth ratio for the nickel (Ni) – nickel oxide (NiO) system and determine whether NiO is protective against corrosion. Atomic mass of nickel = 58.7 g.mol-1 Density of nickel = 8.91 Mg.m-3 Molecular mass of nickel oxide = 74.7 g.mol-1 Density of nickel oxide = 6.67 Mg.m-3 (e) A stainless steel pressure vessel that has fracture toughness, K1C, of 197 MN.m-3/2 is going to be exposed to a stress of 398 MN.m-2 . By using this information explain how designers can determine the thickness of the vessel so that catastrophic failure can be avoided.Which of the following statements are correct? (Sdect all that apply.) O a -a - 1 '() O z(a + b) = O None of the Above
- A volumetric calcium analysis on triplicate samples of the blood serum of a patient believed to be suffering from a hyperparathyroid condition produced the following data: mmol Ca/L = 3.55, 3.65, 3.14. What is the 95% confidence interval for the mean of the data, assuming(a) No prior information about the precision of the analysis?(b) s → σ = 0.056 mmol Ca/L?5.) The blood velocity in aorta can be measured directly using ultrasound. The graph below shows the blood velocity versus time for a single heartbeat. Which statement best describes the graph? (a) The acceleration of the blood is greatest in magnitude at about 0.25 s; (b) the acceleration of the blood is greatest in magnitude at about 0.10 s; (c) the blood flow changes direction at about 0.25 s; (d) the speed of blood flow begins to decrease at about 0.10 s. Blood velocity (m/s) 1.0 0.8 0.6 0.4 0.2 0.25 0.50 Time (s) 0.75 1.00(а) 2103 (ад) + 10 Cu" (aq) + 10 н"(ад) — 10 Cu"** (ag) + la (ag) + 5 H-0() O P() | Cut (ag), Cu?* (аq) || IOз (ад), н* (аq), I (ag) | Pt(s) O Pel(o) | Cu* (ag), IOз (ад), н* (аg) || Cu?* (ag), I, (ag) | Pt(8) O Pt(s) | IO3 (ag), H† (aq), I2 (aq) || Cu* (aq), Cu²+ (aq) | Pt(s) О Pe(6) | Cu?* (ag), I3(ag) || Cu" (аg), 10; (аg), н* (ад) | Pt() (b) Zn(s) + 2 Ag* (aq) = Zn²+ (aq) + 2 Ag(s) O Zn(s) | Zn²+ Zn(s) | Ag* (ag) || Zn²+ (aq) | Ag(s) O Ag(s) | Ag* (aq) || Zn²+ (ag) | Zn(s) O Ag(s) | Zn²+ (aq) || Ag* (aq) | Zn(s) (aq) || Ag*(aq) | Ag(s) (с) НаО(ад) + 2 H* (аq) + 2 е — 2 H:0() E° = 1.78 V Оэ (9) + 2 H* (ад) + 2 е НаОz(аg) Е 3 0.68 V O Pt(s) | O2(g) | H2O2 (aq), H* (aq) || H2O2 (ag), H* (ag) | Pt(s) O Pt(s) | H2O2 (ag), H* (ag) || 02(9) | H2O2 (aq), H* (aq) | Pt(s) O Pt(s) | H2O2 (aq) | O2(9) || H† (aq) | Pt(s) O Pt(s) | H2O2(aq) | Pt(s) (d) Mn'* (aq) +2 е — Mn(s) Е 3D - 1.18 V Fe+ (aq) + 3 e → Fe(s) Е 3D -0.036V O Mn(s) | Mn²+ (ag) || Fe*+ (aq) | Fe(s) O Fe(8) | Mn²+ (aq) || Fe* (aq)…
- College of Teacher Bachelor of Secondary Education *promoting pedagogical excellence elor of Sec omoting pedage RIN ht: (a) (b) Br. C. CH3 b1. HNO3, H2SO4 2. Fe, H30*r H2/Pd s / oD Br NO2 (c) KMN04 7 (d) Cl CH3CH2CH2CI AICI3 H20 7. OCH3 4. Predict the major product(s) of the following reactions: OM (a) CI (b) CH CH CH3CH2C! AICI3 CH3CH2COCI AICI3 (c) CO2H HNO3 (d) N(CH2CH3)2 H2SO4 SO, H2SO4 ASITYSelect which of the following products would be made by the chemical transformation indicated below: H₂ Lindlar's cat.! 9 a alt ← Z If you live to be approximately 83 years old, how many hours long was your life? Assume a year is exactly 365 days. @ 2 W S →> X #m 3 e d C с $ 4 r f % 5 V t g Oll A 6 DELL b y h & 7 O n u j * 00 O m i k ( 9 < 4 O alt ) O 1 P ◆ ctrl : - ; { [ ? 1 +11 = I } bac 1
- Q3)a) Discuss the any two applications of Beer’s law with suitable justification. (b) In an analytical laboratory a chemical compound namely Paracetamol (151.163 g/mol) is determined in a sample. A sample weighing 0.0295 g was dissolved in a solvent and diluted the solution to 1 L. The solution has λ max at 243 nm (ε=2.6×104 cm-1 mol-1 L). The solution exhibits an absorbance of 0.638 in a 2 cm cell. Calculate the percentage paracetamol in the sample. (c) Analyze any two causes of non-linearity of curve in the Beer’s law.2b) What is the primary consideration?professor Scimemi has accepted you as a Master’s student and you are involved in a project that studies the cellular basis of neuropsychiatric diseases. For your electrophysiology recordings you have to make a recording solution containing (in mM): 119 NaCl, 2.5 KCl, 2.5 CaCl2, 1 MgCl2, 26.2 NaHCO3, 1 NaH2PO4, 22 glucose. You need 800 ml of it. How much KCl do you need to weigh out? Hint: we only care about KCl here. (MW KCl is 74.55 g/mol
