At 25° C, the following heats of reaction are known: 2CIF (g) + O2 (g) -> Cl₂0 (g) + F20 (g) A Hrxn= 167.4 kJ/mol 2CIF3 (9) + 202 (9) > Cl₂0 (g) + 3F₂0 (9) A Hrxn= 341.4 kJ/mol 2F2 (g) + 02 (9) -> 2F₂0 (9) A Hrxn=-43.4 kJ/mol At the same temperature, use Hess' law to calculate A Hrxn for the following reaction: CIF (g) + F2 (g)--> CIF3 (8)
Q: In 20 words or less, please explain why the reaction conditions shown below are not ideal for…
A: The reaction of an ester with bases like sodium hydroxide (NaOH) and potassium hydroxide (KOH) which…
Q: What is/are the predicted product(s) for the reaction shown? OH Ⓡ B OM Br H₂O HO H₂O IV
A: The given reaction is an example of substitution reaction.The first step is SN2 reaction with back…
Q: For the following Sn1 reaction, how many possible products are there? (Be careful, this problem is…
A: Given is Sn1 reaction. It is an unimolecular nucleophilic substitution reaction. This reaction occur…
Q: Give the structures and IUPAC names of all constitutional isomers of C6H14. What is the structure of…
A: IUPAC nomenclature is used for the systematic naming of organic molecules.According to IUPAC…
Q: Multistep Problems: Avogadro's Number and Molar Mass 10. How many atoms of tin (Sn) are in 1.84 g of…
A:
Q: Draw the major product of this reaction. Ignore inorganic byproducts. NBS H₂O
A: The given reaction is shown below.We have to give the major organic product of the reaction.
Q: NaOH OHO < 1. BH-THF 2.H₂O₂, NaOH) HOCH₂CH₂CH₂ OH TSOH B C D < NaOH H₂O HOCH₂CH₂CH₂OH TSOH, H₂O…
A: Organic reaction: conversion of acetal to ketone.
Q: % transmittance aldehyde 4000 10 9.0 3500 8.0 CH (sp³) 3000 7.0 O=C-H Molecule 20 2500 2000…
A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…
Q: Draw the major product of this reaction. Ignore inorganic byproducts. CH3CH₂O K TSOH, H₂O
A: The given reaction is shown below. We have to predict the major product of the given reaction.
Q: 2. Show the best method for preparing the following ether via the Williamson ether synthesis.…
A: Alkyl bromide reacts with alkoxide ion to form an ether by the Williamson ether synthesis. The…
Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…
A: Answer:Extensive properties are the properties that depend on the size of the system. They are…
Q: ndicate what is wrong in the structure shown Using your handout as a guide, indicate what is wrong…
A: Organic structure is givenWe have to find out the mistake in the structure.
Q: Draw the product of this reaction. Ignore inorganic byproducts.
A: The terminal alkyne contains acidic hydrogen. The hydrogen atom attached to the sp hybridized carbon…
Q: b. d. CH₂CH₂OH H₂SO4 [1] CH3CH₂O Nat [2] H₂O HBr [1] NaCN [2] H₂O
A: These are the examples of epoxide opening reactions
Q: 0 At 25.0°C, Keq = 1.35 x 1028 and AH x,B-D-glucose -- --> 2 lactic acid + H+ Using the van't Hoff…
A:
Q: 1. Balance the following equation: Al(s)+ 4H₂SO,(aq)+. KOH(aq) - KAI(SO),(s) + H₂O(1)+3H₂(g)
A: A chemical reaction follows the law of conservation of mass. According to the law of conservation of…
Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into…
A: Given : heat flows out of the system, Q = -198 KJ where negative sign of heat indicates it is…
Q: ← - с Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw…
A: The first reaction is the benzylic bromination reaction.In presence of hv and NBS there occurs…
Q: 1. Draw the structure of the monomer that forms this homopolymer by condensation: /U C Ο Η Η Ο Η Η Ο…
A: Given is polymer structure.It is homopolymer.
Q: In a solution that has [H^+] = 2.9*10^-3M. a) What is the [OH^-]? b) Is the solution basic, acidic…
A: Given that,The concentration of hydrogen ion,Then,
Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 151. kJ during a…
A: The enthalpy change of the given reaction is = +151. kJThe work done on the gas mixture is =123.…
Q: Given the following equation: NO(g) + 03(g) What is the AH value for the equation: - 1030 kJ O 345.0…
A: If a given chemical equation is multiplied by any number then the enthalpy of reaction will also be…
Q: Based on the orbital filling configurations, determine which of the following species would have the…
A: Using Molecular orbital theory, we will write electronic configuration of each molecule and then…
Q: 1. Two structures for a complex are shown below. Are they actually different isomers, or are they…
A: Isomers are pair of compounds having same molecular formula but different structural formula.
Q: Predict the major products of this organic reaction: ou. i Note for advanced students: you may…
A: Reaction of Benzene with acid chloride in presence of lewis acid AlCl3.
Q: Given: C2H4(g) +302(g) AH (C2₂H4)= 52.5 kJ/mol AH (H₂O)=-285.8 kJ/mol AHOrxn--1411.1 kJ/mol. Find…
A: Note: Since, multiple questions have been asked, therefore as per the guidelines, solution of 1st…
Q: 2 S The ideal gas law describes the relationship among the pressure P, volume V, number of moles n.,…
A:
Q: Select the missing reagents in the following multistep synthesis. Ignore any inorganic byproducts…
A: The given reaction scheme is shown below.We have to give the missing reagents of the reaction…
Q: In the p-block there are both metals, semi-metals and non-metals. How does the metal character…
A: Elements are classified into metal, non metal and metalloids. Metals donate electron to form…
Q: O 1.2 Li, Et₂O 2.0.5 equiv. Cul Br 3. CH3(CH₂)2Br
A: Given reaction is shown below.We have to draw the major product of the above reaction.
Q: an experiment to determine the number of moles of dry oxygen formed, potassium chlorate decomposes…
A:
Q: amide (2⁰) 000 10 9.0 NH 3500 8.0 CH (sp³) 3000 7.0 1 Molecule 12 2500 6.0 2000 wavenumber (cm-¹)…
A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…
Q: Draw the mechanism of following reactions OH 1, DMSO, (CF3CO)2O, Et3N -78 °C
A: Swern oxidation is the oxidation of alcohol into aldehyde or ketone in presence of DMSO and oxalyl…
Q: 3. For each pair of reaction conditions, which one would favor SN2/E2 more? a. b. C. Br Br d. a EtOK…
A: The question is based on organic reactions. We need to identify the product and explain its…
Q: One mole of anions. contains the largest number of ions, including cations and
A: To solve this problem , convert the number of moles of each electrolyte into their respective number…
Q: Give the main organic product that would form after the following reaction. iPro OiPr CN H3O+ A
A: The question is based on organic reactions. We need to identify the product and explain its…
Q: Describe the chirality of the following carboxylic acid: Br- 13 2R,3S O2S,3R O2R, 3R O2S,3S COOH H…
A: The RS nomenclature is an important nomenclature system for denoting the configuration of the chiral…
Q: After hydrolysis of the glycoside below, ring A is CH₂OH -0- ОН A CH₂OH OH ОН B and ring B is CH₂OH…
A: The objective of the question is to give the products of hydrolysis of the given glycosidic bond.The…
Q: Consider a pure sample of H2S molecules. Which of the following intermolecular forces are present in…
A: 1) Dipole-Dipole Forces - polar polar molecule present2) Induced Dipole-Dipole Forces- Non polar…
Q: The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: R₁ E=- In…
A:
Q: Air is a mixture of several gases. The 10 most abundant of these gases are listed here along with…
A: Answer:Mole fraction of a gas in a gaseous mixture will be equal to the ratio of number of moles of…
Q: Which of the following reactions represents a positive AS? ť HO O OH + Br₂ + :Br. НО. to Br -Br Br…
A: Entropy is the measure of degree of randomness. Greater the randomness higher will be the entropy
Q: Use the following data to determine the molar heat of vaporization of chlorine. T (°C) P (mmHg)…
A: To solve this question we have to use the Clausius Clapeyron equationWhere- P1 and P2 are vapour…
Q: Answer There are n a the following questions about the Lewis structure for sulfur trioxide, SO3.…
A:
Q: Mechanism: F SN2 NaOH DMF
A: Given is organic reaction.In which reactant is alkyl fluoride and reagent is sodium hydroxide.
Q: A weak acid, HA, has a pka = 6.78. If one dissolved 0.898 moles of a salt containing one mole…
A: The question is based on the concept of pH of the solution. It is defined as a negative logarithm…
Q: Based on standard enthalpies of formation, what is the standard enthalpy of reaction for the…
A: Given,The balanced reaction:1 N2 (g) + 4 H2O(l) 1 N2O4 (g) + 4 H2 (g)
Q: Draw structural formulas for organic products A and B in the window below. Cul H₂C=CHBr Li pentane B
A: Given is series of organic reactions.In step 1 bromo ethene reacts with lithium.
Q: Draw the structure of the starting material A for the reaction below when one equivalent of H₂/Pt is…
A: Reduction with H2,Pt Product 1,1,4,4-tetramethyl cyclohexane
Q: Draw the major product of this reaction. Ignore inorganic byproducts. NH2NH2, KOH heat Drawing ✓
A: Reaction of ketone with NH2NH2, KOH, Heat
Step by step
Solved in 4 steps with 15 images
- Question: Given that CH;OH (g) + 3/2 0:(g) → CO:(g) + 2H;0 (1) AH = - 764 kJmol" a) Find the heat evolved when 115.0 g CH;OH (g) burns in excess oxygen. 5 (2745.6 kJ) b) What mass of O2 is consumed when 925kJ of heat is given off? (58.11 g)estion 32 of 35 > Macmillan Learning For a particular isomer of C,H₁, the combustion reaction produces 5113.3 kJ of heat per mole of Cg H₁g (g) consumed, unde standard conditions. 18 25 CH,₁g (g) + 20₂(g) →8 CO₂(g) + 9 H₂O(g) What is the standard enthalpy of formation AH = f this isomer of Cg H₁8(g)? hp AH-5113.3 kJ/mol DE Dec 27 kJ/mo 11:5Question 8 Use the AH information provided in the table to calculate AHºrn for the following: SO₂Cl₂(g) + 2H₂O(1)→ 2HCI(g) + H₂SO4(1) Enthalpies of Formation Compounds SO₂Cl₂ H2₂O(1) HCI(g) H₂SO4(1) Equations: 1 cal = 4.184 Joules 1 L'atm = 101.325 Joules AE=q+w w=-pΔV q=mcAT (at constant pressure / coffee cup calorimetry) AE AT xc (at constant volume / bomb calorimetry) AHxn-EnAH₂° - EnAHR O-256 kJ -422 kJ -62 kJ +161 kJ AH° (kJ/mol) -364 -286 -92 -814 +800. kJ CH20 = 4.184 J/g °C
- Question 1 Calculate the standard enthalpy of formation of CaCO3 at 298K in kJ/mol from the following data: СаО (s) + Со,(8) — СаСО ,(s) AHO = - 42.85 kcal/mol 298 Са (s) + 2 -0,(8) →CaO (s) AHº - 151.50 kcal/mol 298 C (s) + 0,(8) →Co,(8) ΔΗΟ 298 - 94.05 kcal/molName: m NetID: 17. Given the following set of reaction data, H2 (8) + 02(8) –H,O(1) 2B(s) +3H2(g) → B,H6(g) 2B(s) + O2(g) – B,O3(s) AH = -285.83 kJ mol-1 AH= 36.4 kJ mol- AH = –1273.5 kJ mol¬1 wilc pd mol determine the heat of reaction (in kJ mol¯l) for the following reaction. B2H, (g) + 302(8) B2O3(s) + 3H2O(1) lo sb 1ooleps laoin bss jo bra usido AH = ? kJ mol-1 s 26 air jes o s be noi A: -2167 s heet tSAQ No. 4 for 4.1.3 Question: Find the enthalpy change for the reaction CS2(1) + 3 O2(g) –→ CO2(g) + 2 SO2(g) when: C(s) + Ö2(g) → CO2(g); AHf = -393.5 kJ/mol S(s) + Ö2(g) – SO2(g); AHf = -296.8 kJ/mol C(s) + 2 S(s) → CS2(l); AHf = 87.9 kJ/mol %3D %3D
- Date: Period: 011: Calculate the AH for the reaction: C2H4 (g) + H2 (g) => C2H6 (g), from the following data: 1. C2H4 (g) + 302 (g) => 2 CO2 (g) + 2 H2O (1) %3D AH-1411 kJ / mole C2 H6 (g) + 7/2 O2 (g) => 2 CO2 (g) + 3 H2O (1) AH – 1560 kJ / mole 3. H2 (g) + ½ O2 (g) => H20 (1) AH - 285.8 kJ / mole 2.(70 A K/s .l.a محمد Use Hess's law to Calculate AH (in kJ/mol) for the following reaction : CI, + F2(9) (g) CIF 3(9) Η ΔΗ, of H,0 μ. KJ/mol and AH°, of H,0 is -241.8 KJ/mol, then the ÄH°, of evaporation of H,ºL in ( KJ/mol) is : is -285.8 (g) Choose... Given the following thermochemical equation: 2C,H18() 16CO2 + 25 0,(g) 2(g) + 18 H,00 ΔΗ -11020 kJ/mol If AH°, [CO,lo = -393.5 kJ/mol 2(g) and AH°; [H,O = -285.8kJ/mol, calculate the standard enthalpy of formation of octane ( C,H,) in kJ/mol Choose...Q4: Calculate the enthalpy of the reactions below: 1. H,O+ CO2(wal+ H,CO, (eel 2. H,POtoe) + 3OH - 3H,0+ POatel 3. C,Ha +30, ) → 2H,0 + 2C0, tel AHP of H;CO, loej is -699.65 kl/mole
- Part A Calculate the enthalpy change when 5 L of liquid NH3 is burned in air to give N2 (9) and H,O(g). Express your answer using two significant figures. AH° - -7.0x10* kJ Submit Previous Answers v Correct Part B How does this compare with AH for the complete combustion of 1 L of liquid methanol, CH3 OH(1)? For CH,OH(1), the density at 25 °C is 0.792 g/cm', and AH; equals -239 kJ/mol. Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining Submit Request Answer Course Home Ammonia (NH3) boils at -33° C; at this temperature it has a density of 0.81 g/cm. The enthalpy of formation of NH3 (g) is -46.2 kJ/mol, and the enthalpy of vaporization of NH3 (1) is 23.2 kJ/mol.unlv.instructure.com Question 3 Using Hess' law, determine AH for the following reaction: CS2(1) + 3 Cl2(g) -> CCI4(1) + S2CI2(1) Heats of Reaction: CS2(1) + 3 O2(g) --> CO2(g) + 2 SO2(g) AHº/kJ = -1077.0 2 S(s) + Cl2(g) --> S½CI2(1) AH/kJ = -60.2 C(s) + 2 Cl2(g) --> CCI4(1) AH/kJ = -135.4 S(s) +O2(g) --> SO2(g) AH/kJ = -296.9 C(s) +O2(g) --> CO2(g) AH/kJ = -393.5 -285.3 O-297.5 -272.5 -261.3 Question 4 MacBook ProQuestion 7 of 8 Submit What is the change in enthalpy in kilojoules when 3.24 g of CH:OH gas is completely reacted according to the following reaction? CH.OH(g) – CH:(g) + O2(g) AH = 252.8 kJ STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 4.00 x 10-4 0.001 2 25.6 0.101 16.05 32.05 12.8 252.8 6.022 x 1023 3.24 1 1000 32.00 7.80 x 10-4 mol CH4 g O2 mol CH:OH g CH. kJ mol O2 J g CH:OH