Q: 7. 20For the following reaction: H₂SO4 Heat Predict the major product, and show the mechanism for…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: When the Cu²+ concentration is 1.13 M, the observed cell potential at 298 K for an electrochemical…
A: Given that :The concentration of Cu2+ = 1.13 MObserved cell potential at 298K (Ecell)= 2.801 VThe…
Q: Data tables need to have the right labels in each of the columns and information regreading how much…
A: Experiment Copper presentCooper recovered Percentage of copper recovered Metal used(Excess)10.349g…
Q: What is the product of this reaction? ol> новс
A: The given reaction is an example of the iodination of ketone in an acidic medium. The reaction is a…
Q: A solution is prepared at 25\deg C that is initially 0.22M in nitrous acid HNO2, a weak acid with =…
A:
Q: Copper oxide plus HCl chemical equation with net ionic equation
A: Answer:Ionic equation that only involves the species that are taking part in the chemical reaction…
Q: following reactions. a. HO b. C. HO OH OH سهله NH₂ H₂SO4 H₂O + 1. LiAlH4 2. H* workup Imine…
A: The given reactions are examples of hydrolysis of acetal, reduction of carboxylic acid derivatives…
Q: A student researcher performed a chromatographic separation of caffeine and aspartame. The retention…
A: Retention time for caffeine (tc) = 200.8 sbaseline peak width for caffeine (wc) = 16.1 sRetention…
Q: What is the correct order of size (from smallest to largest) of K, K+, Ca and Ca²+? Data sheet and…
A: When we go from left to right on periodic table, effective nuclear charge increases due to the…
Q: WE GHT OF ZINC CHLORIDE Note: Repetitive weights are recorded until the weight is consistent to 0.01…
A: In the given question we have to calculate the empirical formula of the compound.The empirical…
Q: How many milliliters of a 10% magnesium chloride (MW: 95.21 g/mol) solution contains 30 mEq of…
A: The objective of this question is to find out the volume of a 10% magnesium chloride solution that…
Q: When the molecule below is treated with HCI, the product distribution shown is obtained. Use curved…
A:
Q: Spectrum 2 Relative Intensity 100 80 60 40 T 20- 0 10 MS-NW-9156 20 30 40 50 m/z 60 70 80 90
A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…
Q: The sample of gas with a volume of 345 mL was stored at pressure of 3.9 atm and temperature -50°C.…
A: The objective of the question is to find the new pressure of the gas sample when the volume and…
Q: 5b) Pericyclic cyclic reactions CH₂O 370 °C CH3O
A: The given reaction involves 3,3-sigmatropic rearrangement reactions.
Q: What is the difference between the heat capacity of a substance and the heat capacity change of a…
A: To find the difference between the heat capacity of a substance and the heat capacity change of a…
Q: What is the volume of nitrogen at 2.30 atm and 30°C? (R = 0.0821 )
A: Pressure, P = 2.30 atmTemperature, T = 30°CT = 30 + 273; T = 303 KR = 0.0821 L-atm/K.molsince,…
Q: Use curved arrow formalism to draw the mechanism of the reaction shown below. Br₂ CH3OH CH3 "OCH 3…
A:
Q: If 500 mL of a 15% v/v solution of methyl salicylate in alcohol is diluted to 1500 mL, what is the…
A: The objective of the question is to find the new percentage strength of a solution after it has been…
Q: Using Zn(No3)2 instead of Zn(s) in reducing copper ions instead of zinc using Zn(No3)2 write the net…
A: A redox reaction is a reaction in which both oxidation and reduction process occurs by the transfer…
Q: 2. Please draw in the arrows that explain each step in the following reactions. Note: you are not…
A: carbonyl oxygen atom has lone pairs of electrons, thus it can act as Lewis base. Thus it can accept…
Q: Draw a complete, detailed mechanism for the following reaction, and determine the structure of the…
A:
Q: V: Convert the following from the indicated starting material and any other possible reagents: this…
A: The question is based on the concept of organic synthesis.We need to synthesize the product using…
Q: A rigid container is filled with air at 25°C. The container is immersed in dry ice, and the pressure…
A: The objective of the question is to find the final temperature of the air in the container after it…
Q: Item 21: Question Potentiometric methods involve the measurement of a potential difference between…
A: The objective of the question is to explain the potentiometric methods.
Q: Item 19: Question Calculate the voltage of the cell. Ag(s)|AgBr(s), NaBr(aq, 1.0 M)||CdCl₂(aq, 0.050…
A: Given,
Q: Write the systematic (IUPAC) name for each of the following organic molecules: Br structure Br CI F…
A: We have given the organic compound and we have to find out the IUPAC name of the compound.
Q: An aqueous solution of chromium(II) iodide has a concentration of 0.371 molal. The percent by mass…
A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: What is the major product of the following reaction sequence? P HO OI Oll O III OIV E III 1) MeO,…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: 8. 0 Monosaccharides - 2 A. Circle the stereocenters in this monosaccharide structure. B. Identify…
A: Given a ketose sugar. Determine the stereoisomers.
Q: Predict the major product of halogenation of the given alkyne. 0 + X Cl₂2 2 eq $ C
A: A terminal alkyne is an alkyne that has atleast one hydrogen atom attached to the carbon-carbon…
Q: Item 13: Question A buffer was prepared by mixing 1.00 mol of formic acid and 1.00 mol of sodium…
A:
Q: Provide the structure of the product A of this reaction upon addition of 1 equivalent of the…
A: Alkynes react with bromine to form dibromoalkene. Dibromoalkene can further react with bromine to…
Q: Caffeine in a sample of chocolate was measured five times, and the results were 1265 ppm caffeine…
A: In the given question we have to if the results are statistically different from the label value at…
Q: How many unpaired electrons are there in the high-spin state of Fe2+ in an tetrahedral field? Part 2…
A: In free metal ions, all the five d-orbitals have the same energy i.e. they are degenerate. As the…
Q: + hv H.2 + Propose a mechanism for the reaction that fully accounts for the formation of both…
A: Given reaction is an example of 2π+2π cycloaddition reaction.The reaction is photochemically allowed…
Q: OH Give Keagent 4) HBv (9₂) B) HBr in etter c) D) NBS Brz Br F SOBr₂, Pyridine
A:
Q: Please Draw Mechnism and explain Biz FeBrz Все AIBN Brz A, hv why the are different.
A: For the first one :-
Q: What is the major organic product obtained from the following reaction using 1 equivalent of…
A:
Q: What is the calculated value of the cell potential at 298 K for an electrochemical cell with the…
A: Based on the given information we can find out the answer by following steps.Calculation of standard…
Q: 9. Provide a systematic name for the following compound? B5- A. 1,2,4-trimethyl-5-ethylcyclohexane…
A: Given,The molecule is:
Q: What is the oxidation state of the oxygen here? Explain the answer please 3 8
A: H2O2 in acidic medium i.e HOAc, H+ helps in conversion of alkene to epoxide .
Q: Please name the following compound HIC-H H-C-C CO O-H
A: The given compound contains the carboxylic acid (COOH) as a functional group. Thus, the suffix 'oic…
Q: For each atom in the table below, write down the subshell from which an electron would have to be…
A: Answer:To form a cation electron needs to be removed from highest occupied orbital and to form an…
Q: which reagents complete this reaction? (A) 060/MO (C) Cro₂/450/40 X-Y (8) KAndy, NaOH, cold (D) #²…
A: Oxidizing agents, also known as oxidants or oxidizers, are substances that oxidize other…
Q: Use standard reduction potentials to calculate the equilibrium constant for the reaction: 2Cr³+ (aq)…
A: Given:The chemical reaction is:Standard reduction potentials are:Determine the equilibrium constant…
Q: لدية Spectrum 1 Relative Intensity F E of me the D OH 100 Relative Intensity 80 20- 100 80 10…
A: An analytical spectroscopic technique that is used for the structural determination of the organic…
Q: What is the pH at the equivalence point for the titration of 20.00 mL of 0.0250 M formic acid, pK, =…
A: Given,molarity of formic acid = 0.0250 MVolume of formic acid = 20.00 mLMolarity of NaOH = 0.0250…
Q: What is the product of the following reaction:
A: Three-membered rings formed by two carbon and one oxygen atoms are known as epoxide rings. The…
Q: The reduction half reaction for NO3- to NO2- in water is below. The pEo for this reaction is +14.2.…
A: The objective is to determine the oxidation state of N in NO3− and NO2− and write the pE−pH equation…
Step by step
Solved in 3 steps with 3 images
- Constants: • c = 2.9979 x 108 m/s h = 6.626 x 10-34 J s per one photon • R = 8.314 J/(K mol) = 0.08206 L atm/(K mol) NA = 6.022 x 1023 particles/mol RH = 1.097 x 107 m1 = 2.178 x 10-18 J . . You have an aqueous Glucose solution that is 12.0% Glucose by mass. What is the molality of Glucose in the solution? Molar Mass of Water = 18.015 g/mol Molar Mass of Glucose 180.16 g/mol =Calculate AH° and AE° for the following reactions at 25 °C. Use standard enthalpies of formation from the table below. Round your answers to four significant digits. Substance AH; (kJ mol-1) Substance AH: (kJ mol-1) Co,(g) -393.5 226.75 Ni(g) C,H,(g) (CH3),CO(/) H,O(g) HC(g) NH,(g) -46.19 -248.1 NH.CIG) N,O(g) O(g) -315.4 -241.8 81.57 -92.30 (a) 2C2H2(g) + 502(g)4CO2(g) + 2H20(g) AH° = i kJ AF° = kJ eTextbook and Media (b) C2H2(g) + 5N20(g) → 2CO2(g) + H2O(g) + 5N2(3) AH° = i kJ AE° = i kJDetermine the boiling point of CS2, in °C, from the following data: CS2(g) CS2(l) ΔHf° / (kJ mol–1) 115.3 87.9 S° / (J mol–1 K–1) 237.8 151.0 Answer Options: 258 -14 116 78 43
- Given the following data: CO(g)+H20(g)→ CO,(g)+ H2(g) AH° (25°C) = -42.0 kJmol1 C, (CO) = 26.8 + 6 x 10³T JK'mol1 C, (H2O) = 30.1+ 10 x 10³T JK'mol1 Cp (H2) = 28.5 + 2 x 10³T JK'mol1 C, (CO2) = 26.4 + 42 x 10³T JK-'mol1 where T is the thermodynamic temperature, calculate the change in enthalpy for the reaction at 1000 K.0.5Ν2 (NH3 (g) H2 (g) + 1.5H2 (g) +1.2502 (g) (g) +0.502 (g) → NH3 (g) NO 2NO H2O (1) (g) (g) ΔΗ1° Use the data from the table above to determine AH° for the reaction below, expressed in terms of ΔΗ1°, ΔΗ2°, and ΔΗ3°. N2 (g) + O2 (g) + 1.5H2O (I)|ΔΗ2° ΔΗ3°Given the following data: AHr [CH:(g)] = -75 kJ mol· C(graphite) → C(g) AH = +712 kJ mol 1/2H2(g) – H(g) AH = +215.5 kJ mol 13. The bond enthalpy in kJ mol·' of the C-H bond in methane is A +375 B +412 C 375 D -412
- + O°H +(HO)D)+osH O Ca,0 O HCaz CaSO O CasO, & %Given the table below and the gaseous and solid phases CO₂ at 1 atm and 298K, CO2(g) CO2 (s) -393.5 -427.4 213.8 AH°; (in 1/1) ΔΙ J So in mol - K What is the AH of the CO2 sublimation? ?The table below contains some mean bond energy data: Bond C-C 348 H-H N=N Mean bond energy /kJ mol| 436 944 (i) Balance the equation below for the formation of one mole of ammonia, NH3, from its elements. N2 + H2 NH3 AH = -38 kJmol" (ii)Use the data in the table above to calculate the bond energy of N - H bond in NH3 in the reaction given in (1) above. Comment on why the value obtained is referred to as 'mean bond enthalpy (ii) Use the equation below and data from the table to calculate a value for the C=C bond energy in ethene. Bond H-H C-H C-C 348 Mean bond energy /kJ mol 436 418 нн нн С—С + Н Нэнс- с н AH = -136 kJ mol нн н Ethene Ethane
- NO2 spaq lalichoteldal olboise art tqsoxe as noltas noise Br woled abivong sor kod an Pd, PPh3, base NH2N2(g) + 20,(g)–→2NO2(g) Clear All > 0 AHrxn 0 low T, 0 high TRank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. chemical symbol, substance chemical formula boiling point or Lewis structure H H H A H – C C - C -0 H (Choose one) ▼ | H H Ag (Choose one) В Ar |(Choose one) - H :0: H Н— С — С С — Н (Choose one) v H. ? :0 : I - O - T