4F.7 (CH3)2(aq), trimethylamine. Q A Show graphically the variation with pH of the composition of the following aqueous solutions: (a)010 M glycine(aq), (b) 0.010 M tyrosine (aq).
Q: We can draw three inequivalent Lewis structures for the selenite ion, SeO3². The concepts of formal…
A: Answer 1- Answer 2
Q: None
A: The given reaction:N2(g)+3H2(g)⇌2NH3(g)Initial MolesNo. of moles of Nitriogen, n(N2)=1No. of…
Q: The reaction of a nitrile with a Grignard reagent is shown below. In all three boxes add lone pair…
A: In Nitrile carbon has no lone pair, whereas nitrogen has one lone pair.In Grignard reagent magnesium…
Q: 13. The conjugate acid of methylamine ( CH3NH2) is- A) *CHẠNH B) CH3NH3 C) CH3NH2* B) CH3NH2 E)…
A: 13. The conjugate acid of methylamine (CH₃NH₂) is:Methylamine (CH₃NH₂) is a weak base. The conjugate…
Q: Pls show where the H-atoms are located in BOTH structures and explain why the double bond can be…
A: Image of the compounds showing the hydrogens: Explanation: Before anything else, let's label the…
Q: 3D.1 Without performing a calculation, predict whether the standard entropies of the following…
A: Step 1: Entropy is a measure of randomness, It increases with Increasing number of molecules. (a).…
Q: 6. Calculate the solubility of Ni(OH)2 when buffered to pH 9.0. (Ksp of Ni(OH)2 is 6.0 X 10-16)
A: The problem is asking us to calculate the solubility of nickel(II) hydroxide, Ni(OH)2, in a solution…
Q: Please correct answer and don't use hand rating
A: Step 1: Enter Data into ExcelOpen Excel and create a new worksheet.In the first row, enter the…
Q: Please don't provide handwritten solution.
A: In IUPAC naming, the ring is the parent chain since it has more carbons the alkyl ring.The ring has…
Q: Below you are given a 13C NMR for a compound with the chemical formula C7H7Br. With words and…
A: Approach to solving the question: Detailed explanation: From the data we find that there are 5…
Q: What are the spectator ions when Co(OH)3 reacts with H2SO4?
A: Step 1: Step 2: Step 3: Step 4:
Q: 3. In the boxes provided, assign the stereochemistry (R, S) or configuration (E, Z) as appropriate.…
A: Step 1: Step 2: Step 3: Step 4:
Q: Select all the benzene rings that have deactivating substituents
A: Benzene ring activating and deactivating groups:The rate of electrophilic aromatic substitution…
Q: 1. In the boxes below, draw three particle diagrams representin the sample of alcohol cooling in the…
A: The phase diagram of a substance represents the states of matter (solid, liquid, and gas) at…
Q: None
A: To calculate the mass in grams of (4.33 x 10^21) molecules of SO3:First Calculate the number of…
Q: PREDICT THE PRODUCT
A: The Diels-Alder reaction is a [4+2] cycloaddition reaction between a diene and a dienophile, forming…
Q: image of question attached
A: Here's the illustration with numbers from most (1) to least acidic (4)
Q: Hybrid orbitals are formed by combining the valence orbitals on an atom. 3 A molecule has sp³ d…
A:
Q: Explain the step-by-step process involved in synthesizing oligohexamethylene guanidine hydroacetate…
A:
Q: What is the final pressure in the container shown below after the valve is opened and the gases are…
A: In order to calculate the final pressure we used daltons lawDaltons law states that the total…
Q: j er of 's for each of the formulas in (1.). 3. For each M*: M*+2 pair in (1.) give the ratio of M*…
A: Approach to solving the question: mass spectroscopy Detailed explanation: Key references:
Q: Question 11
A: The reaction is a titration between a weak acid (HC2H3O2) and a strong base (NaOH). In such a…
Q: help please answer in text form with proper workings and explanation for each and every part and…
A: Step 1:Step 2: Step 3: Step 4:
Q: Provide any one visual evidence that indicates the purity of the product you isolated. Be sure…
A: This FTIR spectrum offers insight into the purity of the compound which is based on the sharpness of…
Q: 1. What is the IUPAC name of the compound on the right? A) (E)-3-methyl-3-pentene C)…
A:
Q: One of the chair conformers of cis-1,3-dimethylcyclohexane is 5.4 kcal/molkcal/mol (23 kJ/molkJ/mol)…
A: Steric strain introduced by a single 1,3-diaxial interaction between two methyl groups is…
Q: Please explain in detail thank you
A: Step 1: Step 2: Step 3: Step 4:
Q: Show how to do the mechanism for the reaction of phenylacetalaldehyde with NaBH.
A:
Q: An excited electron on a hydrogen atom releases a photon as it falls from energy level 6 to level 3.…
A: Step 1: Step 2: Step 3: Step 4:
Q: Please correct answer and don't use hand rating
A:
Q: If AH is -100 kJ and AS° is +200 J/K, what is the AG° at 298 K? O-159.6 kJ +159.6 kJ -60 kJ
A:
Q: Make sure to explain each step and show stoicheomtry if needed
A: Step 1:
Q: The rate of the reaction NO2(g) + CO(g) NO(g) + CO2(g) was determined in three experiments at 225°C.…
A:
Q: Four main-group elements a, b, c and d are highlighted in the outline of the Periodic Table below: d…
A: Step 1: Step 2:
Q: what is the theoretical yield of C2H5S in the following reaction, given 10.68g of methane, 70.02 g…
A: The first step in determining the theoretical yield is to calculate the number of moles of each…
Q: Calculate AH° for the following reaction. Report your answer in kJ to one decimal place. (Don't…
A: The given values are the standard enthalpies of formation (ΔH°) for the following substances (in…
Q: Please correct answer and don't use hand rating
A: (a) 4NH3 (g)+5O2 (g) → 4NO (g) + 6 H2O (g) The thermodynamic properties (standard enthalpies, AH, in…
Q: A military aircraft burns a hydrocarbon fuel called decane. Its chemical symbol is: C10 H 22 .This…
A:
Q: None
A: Given: 1mCaCl2;0.5mSnCl4;pureH2O;1mCaSO4;1mKBrStep 1: Determine which of the following is an…
Q: Below are the spectral data (IR, MS, 1H NMR, and 13C NMR) for an unknown organic compound. Examine…
A: Step 1:Based on the spectral data:3a) IR Spectrum Functional Group: Broad peak around 3400…
Q: D Question 14 Take Quiz A compound X shows a molecular ion peak at m/z 72 in its mass spectrum…
A: 14.The molecular weight of I and III are ~72.One of them will be compound X. As IR spectrum shows…
Q: [4 pts] Newman Projections: Look at the structure below. Draw the one Newman Projection indicated by…
A: Newman projection:
Q: Please give me a interpretation of this IR of sebacoyle chloride. Be as detailed as possible and…
A: Thorough explanation is given in these images with proper values.
Q: QUESTION 9 Name the functional group based upon the result of each test. A positive Silver Nitrate…
A: 1. Silver Nitrate Test (AgNO₃ Test)Purpose: This test is used to detect alkyl halides, which are…
Q: 3. (a) Draw curved arrows in each box to show how the resonance structures on the left are related…
A: Step 1: Step 2: Step 3: Step 4:
Q: Four main-group elements a, b, c and d are highlighted in the outline of the Periodic Table below: с…
A: Step 1: Step 2:
Q: Question 9 (Mandatory) 0 / 1 point The ẞ-furanose and ẞ-pyranose forms of D-ribose often exist in…
A: Step 1:Both have same molecular formula but have different bonding arrangement between the atoms so…
Q: Which of the following statements is/are INCORRECT? pH meters are built on metal indicator…
A: "pH meters are built on metal indicator electrodes."Incorrect. Instead of metal indicator…
Q: e ort Support ces QUESTION 2 What product forms when starch is hydrolyzed? QUESTION 3 Hydrolysis of…
A: 1.First let's define hydrolysis. Hydrolysis is a chemical process that involves breaking down a…
Q: Steel is iron containing a small amount of carbon, with the relatively small carbon atoms occupying…
A: The iron atoms should appear larger and more regularly spaced, forming a kind of lattice…
Step by step
Solved in 2 steps with 2 images
- 6D.17 Calculate the pH of (a) 0.63 M NaCH3 CO₂ (aq); (b) 0.65 M KCN(aq).What is the concentration of hydronium ions in (a) a solution that is 0.12 M HBRO(aq) and 0.160 M NaBrO(aq); (b) a solution that is 0.250 M CH 3 NH 2 ( aq ) and 0.150 M CH 3 NH 3 CI ( aq ); (c) a solution that is 0.160 M HBRO(aq) and 0.320 M NaBrO(aq); (d) a solution that is 0.250 M CH 3 NH 2 ( aq) and 0.250 M NaBr(aq)?Calculate the pH, pOH, and fraction of solute protonated or deprotonated in the following aqueous solutions: (a) 0.120 M CH;CH(OH)COOH(aq) (lactic acid), (b) 1.4× 10“M CH;CH(OH) COOH(aq), (c) 0.15 M NH,CI(aq), (d) 0.15 m NaCH;CO,(aq), and (e) 0.112 m (CH;),N(aq) (trimethylamine).
- Calculate the pH of (a) 0.10 M NH4CI(aq), (b) 0.25 M NaCH3CO2(aq), (c) 0.200 M CH3COOH(aq).Write an ionic equation to represent the hydrolysis of the pyridinium ion, and calculate the pH of 0.0482 M C5H5NH+Cl- (aq).Consider the titration of a 50.00 mL sample of 0.500 M hydrazoic acid, HN3, with 0.500 M NaOH (aq., 25 oC). The Ka HN3 = 4.50 x 10–4. What is the pH of the solution after 15.00 mL of NaOH has been added?
- Estimate the pH of 0.010 M NaCH3CO2(aq).Sketch reasonably accurately the pH curve for the titration of 25.0 cm3 of 0.15 M Ba(OH)2(aq) with 0.22 M HCI(aq). Mark on the curve (a) the initial pH, (b) the pH at the stoichiometric point.The pH of 0.40 M HF(aq) is 1.93. Calculate how the pH changes when 0.356 g of sodium fluoride is added to 50.0 mL of the solution. Assume that the volume change is small and can be neglected
- Calculate the molar concentration of H3O+ ions and the pH of the following solutions: (a) 25.0 cm3 of 0.144 M HCI(aq) was added to 25.0 cm3 of 0.125 M NaOH(aq), (b) 25.0 cm3 of 0.15 M HCI(aq) was added to 35.0 cm3 of 0.15 M KOH(aq), (c) 21.2 cm3 of 0.22 M HNO3(aq) was added to 10.0 cm3 of 0.30M NaOH(aq).Calculate the pH of 0.225 M RbOH(aq).A buffer solution of volume 100 cm3 consists of 0.10 M CH3COOH(aq) and 0.10 MNaCH3CO2(aq). (a) What is its pH? (b) What is the pH after the addition of 3.3 mmol NaOH to the buffer solution? (c) What is the pH after the addition of 6.0 mmol HNO3 to the initial buffer solution?