Consider the following two reactions and the corresponding enthalpy changes: CH4(g) +2 O₂(g)-CO₂(g) +2 H₂O(1),AH₁ 2 CH4(g) + O₂(g) 2 CH3OH(1), H₂ Given that H₁ = −890 kJ, how much heat is released or absorbed in combustion of 1 mole of methane? 74.80 kJ released 149.6 kJ released 74.80 kJ absorbed 890 kJ absorbed 890 kJ released

Q: Explain the influence of the electronegative atoms like chlorine on radical stability.

A: Introduction to Electronegativity It is a measure of the atom's ability to attract electrons to…

Q: Figure 3-9. 100 D 4000 100 50 (715) 100 4000 50 4900 m www A 3000 3000 3000 B 2000 2008 C 2000…

A: IR spectra provides the information of possible functional groups in the unknown compound based on…

Q: A prednisolone solution contains 15 mg prednisolone per 10 mL. What is the percentage strength (w/v)…

A: percent of strength (w/v) of the prednisolone in this prescription means how many grams of…

Q: The synthesis of nitrogen monoxide is first order in [N₂] according to the reaction below, and has a…

A: Given : reaction is first order        Time = 66 minutes  Initial concentration of nitrogen = 2.95…

Q: 73. At 291 K the ionic velocities of Ag* is 0.00057 cm/s and that of NO3 is 0.00063 cm/s. If the…

A:

Q: Which of the following single-replacement A. Cu(NO3)2 (aq) + Pb (s) B. Cu (s) + Pb(NO3)2 (aq)…

A: A more reactive metal can replace a less reactive metal ion from the solution of the salt of the…

Q: 11. Calculate the change in internal energy for the combustion of 1.0 mol of propene given that the…

A: The change in enthalpy is given to be -2058 kJ. The number of moles of propene combusted is 1.0 mol.…

Q: Consider the following reaction: 4 NH_{3} + 5 O_{2} → 4 NO + 6 H_{2}O The rate of consumption of…

A:

Q: You are given the phase diagram shown and asked to determine several properties of the substance.…

A: Boiling point- The temperature at which vapour pressure of liquid become equal to atmospheric…

Q: A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 127…

A:

Q: The reaction of hydrogen peroxide with iodine, H₂O2(aq) + I2(aq) = OH(aq) + HIO(aq) is first order…

A:

Q: See Figure 3-1. Match the letter to the correct functional group.

A: Given : structure of molecule

Q: 5. (a) (b) (c) Studying the Temperature Dependence of the Rate Constant (k). The following reaction…

A: The Arrhenius equation is lnk=-EaR1T+ constant Ea = activaltion energyR is the gas constantT is the…

Q: 4. Predict the product(s) for the followi O O 1. excess LiAlH4 2. H₂O

A: LiAlH4 is a reducing agent.  The carbonyl C=O gets reduced to C-OH.  The lactone gets reduced to two…

Q: Please provide an equation for the following nuclear process: 231Pa decays via ß-emission.

A: Given : beta emission is occurring

Q: 3. Determining Average, Instantaneous and Relative Rates. Use the data above to calculate the…

A: Given: 2H2O2(aq) → 2H2O(l) + O2(g) The average rate of disappearance of H2O2 during the first 1000…

Q: Nuclei with the same number of neutrons but different mass numbers are called isotones. Write the…

A: Nuclei with the same number of neutrons but different mass numbers are called isotones. Mass number…

Q: 10 10 40 8 60 18 8 30 of Solute (g)

A: In this graph, the pattern shows the amount of solute (i.e., salts and gases) required to make a…

Q: Use the observation in the first column to answer the question in the second column. observation The…

A: In the given question, there are three subparts. These subparts are regarding the relation between…

Q: Assuming you’re a laboratory analyst, how will you know the accurate concentrations or the solutions…

A: As a laboratory analyst, it's important to determine the accurate concentration of solutions to…

Q: 1. What is the stereochemical relationship between compounds 2-9 and compound 1? sif- H CHCH 3 Me Et…

A:

Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 165 carbon atoms. amu b.…

A: Since you have posted multiple subparts question, we will solve the first 3 subparts for you as per…

Q: The Haber process is used to synthesize ammonia (NH3) on a large scale by the reaction of nitrogen…

A:

Q: If a reaction is first order with a rate constant of 0.0450 s¹, how much time is required for 65% of…

A: The given data is as follows: The rate constant for first order reaction = 0.0450 s-1 Let the…

Q: 5. Complete this sequence of reactions. Provide a mechanism for each step along the way. 1) CH,MgBr…

A: In the first step of the reaction, the Grignard reagent reacts with the ketone to form tertiary…

Q: 13. CH O CH3 1) MgBr 2) H3O+

A:

Q: Practice problems for Markovnikov addition of water and hydroboration/oxidation. Give the complete…

A: According to Markovnikov's addition, the hydrogen adds onto the carbon with more number of hydrogens…

Q: 7. Predict the products for each of the following reactions! (a) SH (c) (b) 1) NaOH 2) Br Br ? SNa ?…

A: Given that, reactions are We have to give the product of the given reactions.

Q: The correct name for the compound given above is which of the following? Cyclopent-1,3-ene…

A: we have to name the given structure

Q: You are told that the hydrolysis of aspirin follows zero order kinetics. Which ONE of the following…

A: Zero order reaction: The chemical reaction in which the rate of the reaction does not change with…

Q: Provide the correct common name for the compound shown here. Reset CH3 CH3-CH₂-S-CH-CH₂-CH3 X sec-…

A: This question is related to IUPAC (International union of pure and applied chemistry) nomenclature.…

Q: Does the addition of solvent change the mass of the solute when a solution is diluted? Explain. Does…

A: During the dilution of a solution the amount of solvent in increases i.e. added but the amount of…

Q: The vapor pressure of Substance X is measured at several temperatures: temperature -69. °C -60. °C…

A: we have to calculate the enthalpy of vaporization of X

Q: Below are sixty-three ionic reactions. According to the solubility rules, if a precipitate forms,…

A: Precipitation reactions takes place when the cations of one reactant and the anions of a second…

Q: Which of the protons in the following molecule has the highest chemical shift H3C-O-CH₂-CH₂-C-H iv

A: Aldehydic protons have the highest chemical shift in NMR spectroscopy due to the electron…

Q: A certain liquid X has a normal freezing point of 4.10 °C and a freezing point depression constant…

A:

Q: A 48.0 g sample of an unknown metal at 99.0 °C was placed in a constant-pressure calorimeter…

A:

Q: Temperature, °C Estimating from the heating curve show, what is the approximate melting point of the…

A: When a substance undergo phase change (solid to liquid or liquid to gas ) the energy involved in a…

Q: Two elements in the same group on the periodic table of the elements are most similar in their…

A: This question is related to periodic table. Periodic table is the arrangement of elements in rows…

Q: Question 3 The purpose of the capillary 'air bleed' in the distillation step is: O to ensure a…

A: Distillation is a process used to separate components of a mixture based on their boiling points. It…

Q: Determine whether each of the amino acids is polar, nonpolar, positively charged, or negatively…

A:

Q: In which of the following organic solvents do you expect glucose to be most soluble? The structure…

A: we have to select the compound in which glucose is most soluble

Q: Reaction 3 (copper (II) hydroxide → copper (II) oxide] Danger! Do not open the centrifuge until it…

A: Centrifugation

Q: Suppose you performed a similar experiment using cyclohexane as your solvent. Given the data in the…

A: Answer: When a non-volatile solute is added in a solvent, it causes a depression in its freezing…

Q: STARTING AMOUNT X How many L NaOH of a 0.075 M NaOH solution is needed to completely neutralize…

A: Recall the given chemical reaction,                                      2 NaOH aq  +  H2SO4 aq  →…

Q: If a solute is polar, then the solvent that theoretically should work for recrystallization should…

A: In the recrystallization experiment, the impure compound is purified by dissolving it in a minimum…

Q: Br Br H3C-CEC: H3C-C=C: C:

A:

Q: Thu Feb 2 Question 10 of 10 Determine the number of atoms of O in 45.0 grams of C12H22O11.

A:

Q: Penicillin is hydrolyzed and thereby rendered inactive by penicillinase, an enzyme present in some…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: 2. (a) MeO Least basic List the following compounds in order of increasing basicity. NH₂ NH₂ NH (N-J…

A: