What makes ethyl acetate a suitable or unsuitable solvent? What concerns would you have if you were to run a column using hexanes as the solvent for the whole column? Come up with an appropriate solvent gradient to get the best separation of all three compounds

Q: QUESTION 7 By first law of thermodynamics, O q = AE - W q = AE+W q = -AE-W O q = -AE+W QUESTI NO

A:

Q: 0.395 mol magnesium nitrate to total number of atoms

A: Magnesium Nitrate  Mg(NO3)2 No of moles = 0.395 No of atoms = ?

Q: Examine the following half-reactions and select the strongest reducing agent among the species…

A: Given set of equations:  HgO(s) + H2O(l) +2e- ==> Hg(l) + 2OH-(aq)  E° = 0.0977 V  Zn(OH)2(s) +…

Q: Explain why Carbylamine Test will show positive result with primary amine and not with other  type…

A: Hinsberg test is also known as benzene sulfonyl chloride.

Q: Include any stereochemical terms for any stereochemistry indicated on the structure

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Consider the following fatty and _ů _! Myric Acid CH3-(CH₂) 12 CH3 - (CM₂)4…

A: Melting point and boiling point of saturated fatty acids is higher in compare to that of unsaturated…

Q: Consider the Lewis structure for F2CO (carbon is the central atom in this structure). Which of the…

A:

Q: The total number of electrons that can occupy 5f orbitals. (a) 5 (b) 10 (c) 6 (d) 14

A: The total number of orbital that are present in any subshell is given as 2l + 1 Each orbital can…

Q: A reaction is observed to have a rate constant of 35 min ¹. Calculate the corresponding half-life…

A: For first order reaction, the unit of rate constant is (time) -1 And the half life calculation can…

Q: reaction has a half-life of 11.6 minutes. Calculate the rate constant for this reactio

A: Half life of chemical reactions defined as time required for given reactant to decrease one half of…

Q: ______ do not have a net dipole moment. (a) CS2 (b) SO3 (c) H2S (d) SO2

A:

Q: A standard reference material is certified to contain 94.6 ppm of an organic contaminant. Your…

A: The given values are 98.6, 98.4, 95.1, and 97.2 ppm. Certified value is 94.6 ppm

Q: Which is the most likely product for the reaction below. OH О О O2N A. B. OH CI OH CI ОН ОН D. CI…

A: Identify the product of the given reaction.

Q: Using the provided table, determine the molar enthalpy (in kJ/mol) for the reaction 2 NH (g) + 3 N₂O…

A: Given reaction: 2 NH3(g) + 3N2O(g) → 4N2(g) + 3H2O(l) We have to find the molar enthalpy change for…

Q: Bulk platinum cost about $1158 dollars per ounce (28.35 g = 1 ounce) how much is this per gram?

A:

Q: Assume that vinegar is a 0.852 M solution of acetic acid (HC₂H30₂) in water. What volume of 0.2136 M…

A:

Q: A glass column is filled with mercury and inverted in a pool of mercury. The mercury column…

A: Given : 744 mm  Tip : 760 mm Hg = 1 atm

Q: What is the frequency of light having a wavelength of 4.50 x 10^-6 cm? (a) 2.84 x 10^-12 s-1 (b)…

A:

Q: When two predictors are highly correlated, which of the following statements is true?…

A: Lasso regression will usually have non-zero coefficients for both predictors.

Q: In a chain of five amino acids each can be in four different spatial locations. How many…

A: Let's take an amino acid chain as a reference, which is as given below- ACGTV Here, 'A' stands for…

Q: Mothballs are composed primarily of the hydrocarbon naphthalene (C₁0H8). When 1.025 g of naphthalene…

A: Mass of naphthalene = 1.025 g Temperature change = 8.08°C Heat capacity of calorimeter = 5.11KJ/°C…

Q: Aspirin is a pain reliever, anti-inflammatory, and fever reducer produced from acetic acid and…

A: The first step in solving this problem is to calculate the number of moles of NaOH that were used in…

Q: Consider the following reaction and its associated ΔHrxn. CH3OH=CO+2H2,   ΔHrxn = 90.70 kJ/mol…

A:

Q: Draw the Lewis structure for the sulfur trioxide (SO3) molecule. Be sure to include all resonance…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: (a) Identify the missing reagent/catalysts A-E. BzN OMe 2x+ coph COPH CO₂Me 1. A, Et₂0 2. B CO₂Me C…

A: 1). Use gridgnard reagent 2). Suzuki reaction 3). Use electrocyclic addition reaction or (Grubbs…

Q: Reduction Half-Reaction Fe²+ (aq) + 2e → Fe(s) Cu²+ (aq) + 2e → Cu(s) - Zn²+ (aq) + 2e →→ Zn(s) Al³+…

A: Answer: Reactivity of a metal can be decided on the basis of its standard reduction potential.…

Q: Eto O O COOH OEt NaOCH 1. NaBH 2.H₂O, HCI 7 4 3 Br Br 스 5 6 NaOCH3

A: Use crams rule in first question and then reduce aldehyde and ketone, NaBH4 can't able to reduce…

Q: TOPIC : HOW VITAMINS AND MINERALS/TRACE ELEMENTS AFFECT HEALTH AND HUMAN BODY

A: The human body needs sufficient Vitamins and minerals to stay healthy and survive for a longer…

Q: 30: How many chirality centers exist on the following molecule? B. 5 C. 6 D. 7

A: Chiral carbon: The sp3 hybridized carbon atom that is attached to the four different types of atoms…

Q: What is the pH of a saturated solution of Mn(OH)2?  For Mn(OH)2, Ksp = 1.95 X 10 -6.

A:

Q: What is(are) the product(s) of this reaction? CH3COCI, AICI

A: Friedel-Craft acylation reaction: When the benzene reacts with an acyl halide (acyl chloride) in…

Q: The reaction 2 H2(g) + 2 NO(g) -> 2 H₂O(g) + N2(g) is first order in H₂ and second order in NO.…

A: Please find your solution below : Rate law for a reaction is an equation that gives the relationship…

Q: L. Write the balanced equation for the production of brown nitrogen dioxide (NO₂) gas from nitrogen…

A: Given,   N2(g)  + O2(g)  ---> 2 NO(g)      ΔH1 = 180 kJ  -----(1)   2 NO2(g) ---> 2 NO(g) +…

Q: How many unique carbons are present in the structure below

A: Given: structure of molecule  Tip : see differently attached carbon atoms

Q: 7. 1. Physical property 2. Chemical property 3. Element 4. Compound 5. Mixture shape by chemical…

A: The fundamental metals and nonmetals are separated from one another on the periodic table by…

Q: VI. VII. Use the standard reaction enthalpies given below to determine AH°rxn for the following…

A:

Q: Kindly solve this question in 20 minutes and get the thumbs up Please show me neat and clean work…

A: To solve this problem we have to know about the bonding in water molecules .

Q: How many moles of O₂(g) are needed to react completely with 55.2 L of CH4(g) at STP to produce…

A: Alkane react with oxygen to produce carbon dioxide and water.  general formula for combustion of…

Q: If the boiling point is 400 celsius at 760 torr pressure, what is the boiling point at 1 torr…

A: As per Gay-Lussac's law, for a fixed mass of gas at constant volume, the temperature of the gas ( in…

Q: LOD D 1-BROMOBUTANE C4H₂BR 4000 41D7ENE +10 19 500 3000 2962 2935 11 1431 59 1101 2875 20 1381 57…

A: IR spectroscopy is used to determine the type of functional group present in the compound.  Each…

Q: B Fill in the missing structures, reagents, or conditions as warranted in the given…

A: We have to given the missing reagents, products, and the reactants (A, B, C, D, and E).

Q: For which equation does the enthalpy change for the reaction define the molar enthalpy of formation…

A:

Q: Which electronic transitions are possible upon absorption of a photon for the terpene? On-p* S-S*…

A: Allowed electronic transitions: s ---->s* s ---->p* p ---->s* n ---->s* n ---->p*

Q: Complete the following synthesis reactions Ph Ph= e x → Phit SCH3 OCH₂CH3

A: To propose a synthetic pathway for the following reactions:

Q: Consider a gas at 1.00 atm in a 5.00-L container at 20.°C. What pressure does the gas exert when…

A: According to the combined gas equation, the ratio of product of pressure and volume to that of…

Q: The model explains why a reaction proceeds faster if the concentrations of the reacting molecules…

A: According to the collision theory, the reactant molecules should undergo collision for the formation…

Q: 63 Consider the following equilibrium: 2H₂(g) +X₂(g) 2H₂X(g) + energy The equilibrium expression is…

A:

Q: H. molecules. OH est ) Give correct names for the following Me ||||!!! H

A: If the OH group is there, then this is an alcohol.  If any halogen is there then this is haloalkane.…

Q: Use electrode potential data from this chapter or Appendix D in the textbook to predict whether each…

A: A redox reaction is spontaneous or occur to a significant extent under standard conditions only if…

Q: Question 8 Choose the best answer. Background correction for atomic spectroscopy is important,…

A: A, B, and C are correct. Background correction in atomic spectroscopy is important for…