Discuss briefly the effect of temperature on the physical properties of fats and oils.

Q: Predict the major product(s) for each of the following thermal electrocyclic reactions. Justify your...

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Q: A gas behaves ideally has a density of 1.952 g dm‑3 at 122 kPa and 298K. What is the molar mass (g/m...

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Q: Azelastine hydrochloride (pKa = 8.88, molar mass = 418.36 g mol-1) is an antihistamine used in nasal...

A: Azelastine hydrochloride is a weak Acid ( since pKa is given)  pH of a weak acid is found by  pH = (...

Q: In the formation of 4-Chlorobenzhydrol, using the method shown below, I am trying to determine how m...

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Q: Consider the following standard reduction potentials: 2H+ + 2e → H2 Sn+2 + 2e → Sn Cd+2 + 2e¯ → E = ...

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Q: Word Equation Chemical Equation 26 - 27. N2(g) + H2() + NH3(g) 1 Carbon atom + 2 Oxygen atoms Carbon...

A: Answer: In the following questions, in some word equations are given and we have to formulate chemic...

Q: If a solution of sodium dihydrogen phosphate (NaH2PO4) is dissolved in water at pH = 5 and 25°C, all...

A: Answer: Von't Hoff factor is represented as i. It is actually the ratio of experimental colligative ...

Q: Al(OH),(s) + HCI(aq) - AICI, (aq) + H,0(1) C. Calculate the number of grams of AICI, and the number ...

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Q: CHEMWORK Calculate the change in the entropy of the surroundings and the change in the entropy of th...

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Q: A catalyst provides an alternate pathway for a reaction to occur. The alternate pathway has a lower ...

A: The stoichiometry of the reaction does not change because when a catalyst is present in the reaction...

Q: Statement 1:To mix the contents, shake the funnel gently, and open the stopcock. Statement 2: Remove...

A: Both the above statements are false as because To mix the contents, we shake the funnel gently with ...

Q: An analysis was done on 3 unknown samples (NaOH, Na2CO3 and NäHCU3) USIng each analysis and a single...

A: Neutralization reactions of all three possible compounds are: NaOH + HCl ------> NaCl + H2O Na2CO...

Q: One of the half-reactions is 2 N3- → N2 + 6 e How many faradays of electricity are required to pro...

A: For one mole of N2, 6 mole of electron or 6 Faraday electricity is required.

Q: using calomel electrode containing 1M kcl as a reference electode. and using two stock solution K3[F...

A: z in the nernst equation is the symbol for the change in number of electrons  or the number of elect...

Q: The image below illustrate the complete separation. True or False?

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Q: When doing extraction: Statement 1: Wash extract with saturated salt solution if organic compound is...

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Q: What is the concentration of an HCI solution with a pH = 2.487

A: pH of HCl solution = 2.487  Concentration of HCl solution = ? 

Q: An Erlenmeyer flask contains 41.40 mL of a hydrochloric acid. The solution is titrated and reaches a...

A: At equivalence point,  Product of concentration and volume of acid and base is equal.

Q: 60°C, water has an autoionization constant (Kw) of 9.247 X 10-14. Determine the pOH of pure water at...

A: Given- Kw=9.247×10^-14 Temperature=60°C pOH=?

Q: rsible Reactions ar Regression Analysis nod of Initial Rates lity of Rates tion Method osed Mechanis...

A: Rate law is experimentally determined law, According to this law, rate of a chemical reaction is dir...

Q: Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of co...

A: the reaction between aqueous solution of copper(II) bromide and sodium hydroxide is: CuBr2(aq) + 2 N...

Q: Encreasing the temperature increases the rate of a reaction by doing which of the following? Increas...

A: In this question, we have to answer by Increasing the temperature, increases the rate of a reaction ...

Q: What is the pH of a solution that is 0.32 M C2H;NH2 (ethylamine) and 0.35 M C2H5NH3 Br (ethylammoniu...

A: Henderson–Hasselbalch equation, POH = PKb + log [salt]/[base] and, PH + POH = 14

Q: Get to know the general structure of an energy level diagram by labeling the follovwing. The molecul...

A: Given energy-level diagram:

Q: The Ksp of nickel(II) carbonate, NiCO3, is 1.42 × 10-7. Calculate the solubility of this compound in...

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Q: 1. H2 + AICIs AI HCI +] n you start with 205 g of aluminum and 75.6 g of HCI, how many grams of, H2 ...

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Q: clear handwritten Solution) Give order of bond polarity of the given compounds and explanation of t...

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Q: The heater used in a 4.33 m x 3.60 m x 2.86 m dorm room uses the combustion of natural gas (primaril...

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Q: Give the Nernst equation for the electrode potential of a redox electorode.

A: The nernst equation can be used to determine the cell potential of a cell in non-standard state.  

Q: Calculate the pH of a 1L aqueous solution that is0.14 M in HF and 0.19 M in NaF after 0.013 mol of g...

A: The solution which can resist the change in the pH of solution upon addition of acid or base is know...

Q: Predict the products for each of the following reactions and determine which product will predominat...

A: At low temperature kinetic product is obtained when electrophilic addition reaction takes place in c...

Q: Calculate the pH for each case in the titration of 50.0 ml. of 0.100 M HCIO(aq) with 0.100 M KOH(aq)...

A: Answer: In this question we have to find out the pH of following four types of solutions at differen...

Q: How many electrons does a Co atom have in its 3⁢d subshell?     How many of those electrons are unpa...

A: Co is the symbol of Cobalt  Atomic no. of Co is 27 (total 27 electrons in its neutral state)

Q: Explain how entropy changes in the process of flambéing (combustion of ethanol). Be sure to include ...

A: Given question is :  Explain the entropy changes in the process of the flambeing (combustion of etha...

Q: Which are true for paper chromatography? Select the correct response(s): the less polar component wi...

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Q: If 10 mL of 0.1 M hypothetical acid, HA, is added with 10 mL of 0.1 M of the salt of its conjugate b...

A: Answer: The mixture of acid HA and its conjugate base XA will be a buffer solution.

Q: 5. Use standard enthalpies of formation to calculate AH°rxn for the reaction: Al2O3(s) + 3 CO(g) → 2...

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Q: Consider the schematic reaction    K A --> P a) If the reaction is one-half order with respect to ...

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Q: At 1.00 atm and 298.15 K, a solid substance with a molar volume of 100.15 cm3/mol with melting tempe...

A:     At 1.00 atm a solid substance with molar volume 100.15 cm3 / mol at it's melting temperature of ...

Q: Calculate the wavelength of the emitted photon when a particle of 1.0 x 10-27g in a box 6.0 A° long ...

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Q: Assignment of IR frequencies - assign the IR frequencies that best correspond to the actual frequenc...

A: To write the experimental frequencies.

Q: What effect does a catalyst have on the activation energy of the reaction? In the graphs below draw ...

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Q: What is the order of the reaction A → B given the plot shown? 400 A) Zero 300 B) First 200 C) Second...

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Q: Statement 1: In extracting minerals from peanut oil, the latter will dissolve in carbon tetrachlorid...

A: Here we have predict the true statement from the given statements for the extraction of minerals fro...

Q: 1.0 mol NaH2PO4 and 1.0 mol Na2HPO4 are added to sufficient water to give a 1L buffer solution. Indi...

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Q: You are adding food coloring to water. What would be the effect on the dissolution rate if the water...

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Q: The volume of the solution inside a container is constant as the time approaches infinity. True or ...

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Q: pH for the 0.1000M acetic acid (HC2H302) = 2.93

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Q: The pK value for HSO3 is 7.19. What mole ratio of K2SO3 to KHSO3 is needed to prepare a buffer with ...

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Q: 5(a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calc...

A: Given,  Mn + Cd2+ → Mn2+ + Cd the standard emf E° of an electrochemical cell for the reaction is: