Q: 1. Given that the Kw= 1.14 x 10-¹5 at 273 K, what is the pH of a neutral solution at 273 K?
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Q: Which of the indicated protons is most acidic? I AD IV
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Q: Which of the following is the best estimate of the bond angle in the NO₂ anion? 90° O 180⁰ O 109.5°…
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Q: A 0.0415 L volume of 0.11 M hypochlorous acid (HCIO), a weak acid with K₂ = 4.0x108, is titrated…
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Q: Question 1. Draw the product for the following Diels-Alder Reactions. Include arrow-pushing…
A: Given are Diels-Alder reactions.Diels-Alder is [4+2] cycloaddition reaction.In this reaction, diene…
Q: 3) A 0.133 gram sample of C₁₂H₂O₁, is burned in a bomb calorimeter with C=256.4 J. temperature of…
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Q: temperature k 57.0 °C 182.0 °C 8.2×10¹1 6.7×10¹4 Assuming the rate constant obeys the Arrhenius…
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Q: A 0.430 M solution of KCl needs to be prepared through dilution. A 2.00 M stock solution will be…
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Q: 3. Given the following Kb value (Kb(NH₂): 1.8 x 10¹5) a. Calculate the pH of a 0.45M NH, solution.…
A: Given,a. Molarity of NH3 = 0.45 M Kb of NH3 = 1.8 x 10-5 c. Molarity of NH4 = 0.45 M
Q: (d) NaCN
A: Information of question
Q: You didn't assign the h chemical shift, splitting pattern, and integral for hydrogen b?
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Q: Starting from the Newman projection below, rotate the back carbon to provide the structure in the…
A: The Newman projection represents the dihedral angles of different conformations of a molecule. In…
Q: Below are an infrared and mass spectrum for a molecule with the empirical formula C₂H4O. Which of…
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Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a…
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Q: 5.4 Consider the combustion of 1.000 mol of solid glucose, C6H12O6, at 25°C to liquid water and…
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Q: 7. What is the shape of each molecule? 1. NBr 2. SF₂ 3. SiH
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Q: Is ammonium chloride safe for the environement.
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Q: There are 1.18 × 10^24 carbon atoms in_____grams of glucose (CH12O6, 180.16g/mol)?
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Q: Problem 16 Calculate the pH of 0.0100 M NaH2PO4 Kal = 7.1 x 10-3, K2 = 6.2 x 10-8, K = 5.0 × 10-13
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Q: When 0.25 g of the organic compound naphthalene are burned in a bomb calorimeter, the temperature of…
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Q: 8. Draw the structure of 2S-bromo-3R-chlorohexane in wedge-dash, Sawhorse, Newman, and Fischer…
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Q: A buffer is made up of equal volumes (513.8 mL of each) of 0.846 M A H and 0.845 M A minus. 15.54 mL…
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Q: Draw 10 chair conformations of cyclohexane: 5 of them showng the right side pointing up and 5 with…
A: Chair conformation is most stable conformation of cyclohexane.There are two types of chair: Right…
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- CTQ 7: Why is it incorrect to describe the process of boiling as 2H,0(1) → 2H,(g) + 0,(g)?How does Sb3(P O3)5(s) break up in solution? Write subscripts and superscripts as normal numbers and do not include spaces in your answer. Do not include states like (aq) or "1" in front of single atoms or charges. For example, the answer for NiCl3(s) would be Ni3++3Cl- For example, the answer for Sb3(PO4)5(s) would be 3Sb5++5PO43- Possibly relevant polyatomic ions: CN-,OH-, NO3-, NO2-, ClO3-, ClO4-, CO32-, SO42-, CrO42-, Cr2O72-, PO43-, PO33- Screen Reader User: For example, the answer for NiCl3(s) would be Ni3++3Cl minus For example, the answer for Sb3(P O4)5(s) would be 3Sb5++5PO43 minus Possibly relevant polyatomic ions: CN minus,O H minus, N O3 1 minus, N O2 1 minus, Cl O3 1 minus, Cl O4 1 minus, C O3 2 minus, S O4 2 minus, Cr O4 2 minus, Cr2 O7 2 minus, P O4 3 minus, P O3 3 minusWhat is the molecular geometry of the PF4^+ (15P & 9F). Explain your answer briefly
- In the sulfate (SO42-) anion, all the S-O bond lengths are the same. Draw suitable resonance structures to explain this observation. Sulfite (SO32-) anions also have S-O bonds of equal lengths but these are different to sulfate lengths. Identify the system with the shorter bond length and explain your reasoning.How do we know that IBr is polar and CO2 is non polar?why PCL5 act as an effective chlorinating agent?
- What would be the observation following mixing BaCl2 and Pb(NO3)2?Ksp for Co(OH)2 is 5.92x10^-15What is the purpose of the hexane in the halogen displacement? Into which layer (water or hexane) would the following species reside? Cl‐, I2, Cl2, Br‐, I‐, Br2 Why do the species that preferentially reside in the hexane layer do so?
- Describe how you could separate and purify compound A from a mixture of two neutral compounds (A and B) when A comprises 95% of the total and B the other 5% of the total. Assume that A and B have similar polarities.Sketch and label 6-8 H2O molecules interacting in the liquid phase.18. (a) Molecule N₂H4 (1) + 2 H₂O2 (1) → N2(g) + 4 H₂O (1) Complete the following table: Lewis Dot Structure (use dots or lines to show bonds) (b) (c) (d) N₂H4 H₂O2 N₂ H₂O Calculate the AH°rxn using average bond energies (Table 9.4 in textbook) Calculate the AH°rxn using the standard enthalpies of formation (Appendix 2 in textbook) Why are these two values slightly different?