3. Ferulic acid is a phenolic compound present in popcorn, bamboo shoots, and cereals. Provide reasons for its effectiveness as a sunscreen. CO,H HO ÓCH, ferulic acid 4. Predict the UV maxima for the following substances. a. b. CH CH d. е.

Q: 2.What mass in grams of silver nitrate must be dissolved to prepare 5.00X102ML of 0.150M AGNO3 (MM…

A: Given: Volume of AgNO3 solution = 5.00×102 mL Molarity of AgNO3 solution = 0.150 M Molar mass of…

Q: In the reaction below, the Lewis base is BeCl2+2Cl^- BeCl4^2- A BeCk2 BBeCl4^2- C Cl D None of these…

A: Acceptor of electron pair is known as Lewis acid and Donar of electron pair is known as Lewis base.

Q: • Draw the Lewis Structure dot for Butanoic acid, CH3CH2CH2COOH and answer the following questions…

A: Lewis dot structure showing the arrangement of electrons in the molecule. The electrons are shown by…

Q: How many electrons are gaining or losing in this  half-reaction? (write complete half reaction in a…

A:

Q: 1) H,O* `CH3 2) CH3I g) 1) МСРВА NalO, H,C. CCH2 2) Na"SCH, h)

A: g) Grignard reaction with ketones result tertiary alcohols followed sn2 reaction. Ketal is…

Q: When a system is a dynamic equilibrium, A no reactions are occurring B a reaction is occurring in…

A:

Q: mole fraction of argon?

A:

Q: Chemistry Calculate [Cu2+]eq using Nernst Equation E cell: 0.48 Temperature: 25.0 C n=2

A: EoCu²+/Cu : 0.337 V Given, Ecell : 0.48 V Temperature : 25 oC = 298K n = 2

Q: Hailey bought one TI30XIIS calculator and two packs of grid paper for Mrs. Smith's math class.  She…

A: Given, Hailey bought one calculator and two pack of grid paper by $ 17.25 and Larry bought two…

Q: Which of the following is capable of producing longer alkyne products?   a Internal alkyne with…

A: We have to tell among the given options, which one is capable of producing longer chain alkyne…

Q: What type of intermolecular force causes the dissolution of RbBr in water? O dispersion forces O…

A:

Q: Problem: CO2 gas occupies a volume of 20.0 L at STP. How many moles and How many molecules are…

A: According to the ideal gas equation, the volume of a gas depends on the temperature, pressure, and…

Q: ОН Na2Cr207 H2SO4, H2O

A:

Q: Combined Gas Law 13)a) A sample of neon gas occupies a volume of 1.00L at 27.00C and 0.660 atm. What…

A:

Q: If the concentration of H3O^+ is 1.0x10^-13, the pH is?

A:

Q: Which element will have five electrons in its Lewis symbol? O carbon O sulfur O phosphorus O boron

A: Lewis symbol: Lewis symbol diagram is constructed by Putting dots around the element these dot…

Q: Calculate AH for the reaction using the given bond dissociation energies. CH, (g) + 20,(g) - -…

A: Given- CH4(g)+2O2(g)->CO2(g)+2H2O(g) ∆H°=?

Q: A chemist titrates 60.0 mL of a 0.5980M hypochlorous acid (HCIO) solution with 0.6753M NAOH solution…

A: At equivalance point , both acid and base neutralize each other to give conjugate  salt  . So moles…

Q: с. H2N° HO, SOCI2 (еxcess) N-CH3 CH3

A: Detail mechanistic pathway is given below to find out the final product

Q: Calculate the pH of a solution after 47.0 mL of 0.500 M NaOH is titrated with 53.0 mL of 0.250 M of…

A:

Q: 50 cm3 of 0.05 M weak acid solution is titrated with 0.1 M NaOH solution. The measured pH values are…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: [H2] = 0.095 mol/L, [CO] = 0.035 mol/L, [CH3OH] = 0.065 mol/L. What is the value of the equilibrium…

A: Given :-  2H2(g) + CO(g) <---> CH3OH(g)  [H2] = 0.095 mol/L [CO] = 0.035 mol/L [CH3OH] = 0.065…

Q: Be sure to answer all parts. If 2.20 g of CuSO, is dissolved in 9.83 × 102 mL of 0.330 M NH3,…

A:

Q: what is molarity, the average molarity, and standard deviation? igmsa H Titrations - Report Sheet…

A:

Q: 7) Draw both the condensed and line bond structures for A) 1,3,3-trimethyl cyclohexene B)…

A:

Q: 1) NBS 2) DMSO. H,0 он 1) NaH CH,CH, 2) CH,CH,

A: All these given reactions involves alkenes, alcohol and ether as starting materials. The…

Q: CHEMWORK Choose the statements that are correct. (Select all that apply.) In a galvanic cell the…

A:

Q: In the mass spectrum the highest peak is known as the base peak is also considered as the parent…

A: Choose the statement is true or false --

Q: make sure reagents are CLEAR   write out the mechanism. make sure to include resonance, reagents,…

A: Friedel-Craft alkylation is the importnat reaction for the introduction of alkyl group on the…

Q: UV, IR, and MS (Interpretation of Structure) 1.) Predict the structure of the two unknown…

A: 1. Odd mass, odd no of nitrogens present. Therefore one nitrogen present. Therefore the compound…

Q: 42. HNO, + NH,C 43. HNO, KCIO, 44. HNO, + NaNO,

A:

Q: Question 3 how do you call the analysis technique done by identifying the fragments corresponding to…

A: Mass spectrometry is the branch of chemistry in which we deal with deal with molecular ions,…

Q: Determine E°, AGʻ, and K for the overall reaction from the balanced half-reactions and their…

A:

Q: Calculate the pH of a carbonate buffer system that contains 0.0065 M HCO, and 0.0084 M CO,. The K,…

A: Given,  Concentration of weak acid, HCO3- = [HCO3-] = 0.0065 M  Concentration of conjugate base,…

Q: A diprotic acid, H, A, has acid dissociation constants of K = 2.32 x 10-4 and K2 = 5.84 x 10-12.…

A:

Q: Balance the following Chemical Reactions: CH:CH 0:- CO:+ H.O+ Cl CoT O2=> CO2H H2O+ H2O+ CO2=…

A: Balanced the given above reaction---

Q: 21. Which substance will lower the melting point of ice the most? a. NaCI b. KNO3 c. Ca Cl2 d. KBr

A: formula to calculate the depression in the freezing point is  delta T  = i Kf m here i is the van't…

Q: A Moving to another question will save this response. Question 21 If n = 2, what value cannot mĮ…

A:

Q: Once an antiviral agent has been found, scientists go about trying to determine the formula of this…

A: Two important factors that can limit the utility of antiviral drugs are toxicity and the development…

Q: Calculate the change in pH that occurs when 0.550 mmol of a strong acid is added to 100 mL of 0.0210…

A:

Q: activity

A:

Q: 0.250 mol of N2 is placed into a 0.750 L container. What is the density of the gas? 84.1 g/L 4.67…

A:

Q: Acetylene is a gas used for welding metal. a. Write the balanced combustion reaction for acetylene,…

A:

Q: Find the threshold frequency of the magnisium metal using given information below. The binding…

A: When a photon of electromagnetic radiation with sufficient energy falls on the surface of the metal,…

Q: A 3D representation of a cyclohexane (C,H,2) molecule, a cyclic compound used in the manufacture of…

A: The hybridization and geometry of each carbon in cyclohexane is given below

Q: 1o A 5 cm sample of 0.05 mol dm3 sodium chloride is mixed with a 5 cm3 sample of 0.05moldm potassium…

A:

Q: 8 The illustration to the left represents a mixture of phosphorus ( orange ) and fluorine ( green )…

A: Answer: Limiting reagent is that reactant which exhaust first in chemical reaction and decides the…

Q: How many atoms of hydrogen are in 132g of (NH4)HPO4

A:

Q: TRUE or FALSE. All electron-withdrawing substituents of benzene will tend to direct subsequent…

A: Given reaction is aromatic electrophilic substitution reaction.

Q: Given is teh mass spectogram of an unknown compoound. This unstable cyclic compund is a colorless…

A: Note : The compound name is cyclohexene. (See below).