Using the molar enthalpies of formation and the formula, determine the change in enthalpy for the combustion of 1 mole of methanol.  CH3OH (l) + # O2 (g) → CO2 (g) + 2H2O (g)

Q: What is the IUPAC name of the following compound? CH₂CCH₂CH₂CH3

A: The given compound contains a carbonyl group (C=O) attached to the two alkyl group. The primary…

Q: Using only the periodic table arrange the following elements in order of increasing ionization…

A: It is based on the concept of periodic property and it's trendsHere we are required to arrange the…

Q: ОН OH НО H₂SO4 H2O

A: Acidic hydrolysis of ketal produces mixture of alpha and beta hemiacetals and an alcohol.

Q: Select the more stable conformation of cis‑1,2‑di(2‑methylpropyl)cyclohexane. A B C D Select the…

A: We have find out the answer.

Q: How many hydrogen-bond donors and acceptors are present in the following molecule? OH OH a) two…

A: A hydrogen bond is formed between the molecule which contains H attached to highly electronegative…

Q: What catalyst can be added at hydrogen peroxide decomposition?

A: Catalyst is a chemical substance that speeds up the rate of the reaction without being consumed…

Q: c. If you had a spectrum for this molecule what features would you expect to see on an IR spectrum.…

A: The question is based on the concept of IR spectroscopy. we need to assign characteristic bands to…

Q: The following initial reaction rates have been measured for the following reaction NO2(g) + O3(g) ->…

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Q: Use this relation to calculate Keq for the following redox reaction that occurs in an…

A: Given reaction Cu2+(aq)+Zn(s)---> Cu(s)+Zn2+(aq)               ECu2+/Cu = 0.337 V…

Q: match the following vitamins to their function

A: For the given Vitamins, we have to match them to their functions.

Q: 1. Predict the product of the following reaction: H3C. Br of CH₂

A: Alkyl halides give an E2 elimination reaction with alkoxide ion. In the E2 elimination reaction, the…

Q: After drawing a mechanism for this reaction determine which intermediate cannot be formed. A H…

A: A question based on reaction intermediate. Five options are given, the most inappropriate…

Q: An archeologist believes that she has uncovered a wooly mammoth skull that is 6000 years (i.e., the…

A: The question is based on the concept of radioactivity. we need to calculate rate of integration of…

Q: E 0.379 mol of Cr

A:

Q: Consider the following equation: 2MnO+50₂0+ 16H → 2Mn²+ +10CO₂ + 8H₂O In this reaction b. carbon (C)…

A: The reaction ;

Q: For the molecule shown below, provide the names for all of the indicated functional groups: 1.…

A: Here some…

Q: Give typing answer with explanation and conclusion A liquid in the lab has a density of 1.24 g/cm³ .…

A: Density :   Density is a measurement of mass divided by volume. Density = Mass/Volume Therefore we…

Q: Draw the structure of an anhydride formed from an acetic acid and a phosphoric acid.

A: Basic concepts of chemistry

Q: using the matrix way

A: a: Na2S4O6b: H2O2c: Na2SO4d: H2Oe: H2SO4

Q: Use the balanced equation for the reaction forming malachite to answer the following questions.…

A: The balanced chemical equation for the formation of malachite is

Q: What will happen in the reactions below? Draw the mechanisms.... 1. H ☆ O H + Cl₂

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Q: ہم ة فرم

A: The question is based on the concept of organic synthesis.  we need to synthesize the product using…

Q: For the equilibrium 21Br(g) 12(g) + Br2(g) Kc = 8.50 × 10³ at 150 °C. If 0.0600 mol of IBr is placed…

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Q: 3/3.5 6377 100 9. If a 50.0-mL sample of 0.250 M NaCN is titrated by 20.0-mL of 0.250 M HCI (strong…

A: To determine the pH of the solution resulting from the titration, we need to consider the reaction…

Q: 200-10. Balance the following oxidation-reduction S8 + NO3- equation. The reaction occurs in a basic…

A: To balance the oxidation-reduction equation in a basic solution, we need to follow these steps:Split…

Q: In a 6.3M aqueous solution of benzoic acid (CH₂CO₂H), what is the percentage of benzoic acid that is…

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Q: Design a synthetic route to perform the transformation shown below. You may use any other reagents…

A: To get the target molecule we have to do the retrosynthetic analysis by doing this we get…

Q: Consider the following equilibrium reaction for hydrocyanic acid, HCN. HCN H+ + CN At 25°C the…

A: Kc value can be calculated from the given balanced equilibrium reaction by using where [products ] =…

Q: 8. A buffer is prepared with 0.34 M chloroacetic acid (weak acid; CH₂CICO₂H) and 0.62 M sodium…

A: Given that, a buffer solution is made by 0.34 M of chloroacetic acid and 0.62 M of sodium…

Q: What is the IUPAC name of the following compound? ball & stick + labels

A:

Q: What is the molarity of an aqueous solution when 8.4 g of NaHCO3 is dissolved in 100 mL of H₂O? O…

A: Molarity = Moles of Solute/ Volume of solution(L)Moles of solute = mass of Solute/Molar mass of…

Q: A student wishes to make a buffer that has a pH of 4.65.  The student has HNO2 and NaNO2.  Nitrous…

A: Volume of HNO2 = 100.0 mL = 0.1000 L Molarity of HNO2 = 0.100 M = 0.100 mol/L pH of buffer = 4.25…

Q: A solution has a pH = 2.56. What is the concentration of H3O+ in the solution, in mol L-1?

A: The concentration of the hydronium ion in a solution is calculated in terms of pH.

Q: must be represented by one Once the expression is constructed, solve for Kc. Кс

A: moles of CO2 =1.50 molmoles of solid carbon = 10.0 molVolume of container = 20.0 L equillibrium…

Q: 15.22 Polycyclic hydrocarbon derivatives are used as medication for viral infections. A com- pound…

A:

Q: Which of the following alkyl halides would afford the indicated product upon reaction with sodium…

A: The given alkyl-halide undergoes E2 reaction with the…

Q: Where did you get 25.35 from?

A: The expert has written 25.35 by mistake, it should be 27.35 ( i.e. volume of KOH used) . There is…

Q: What is the mass of 5.00 moles of water, H-

A: Molar mass = mass of 1 mole of a substance

Q: Determine the number of atoms of O in 68.7 moles of Al2(SO4)3.

A: Given, moles of Al2(SO4)3 = 68.7 mol From the molecular formula of Al2(SO4)3 we can see that one…

Q: electrophilic addition, nucleophilic addition or nucleophilic substitution.

A: Electrophiles are neutral or positive species which has a high affinity for electrons. While…

Q: 3) Complete the following reactions by drawing in the starting materials, reagents, or products.…

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Q: In chemical kinetics, How does the activation energy of the catalyzed reaction compare with that of…

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Q: Valine is an essential amino acid, which means that it cannot be manufactured in the body and must…

A: Amino acids consists both acidic group                     (carboxylic acid)  and basic group (amino…

Q: Calculate the number of grams of solute needed to make a 150 mL solution of 0.40M H_2SO_4.

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Q: Using only the periodic table arrange the following elements in order of increasing ionization…

A: The given elements areSeleniumSulfurPoloniumTelluriumWe have to arrange the given elements in…

Q: What type of reaction is the following? Ca(OH)2 + HCI → CaCl₂ + H₂O

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Q: Chemical species by reducing power

A: The reducing and oxidizing tendency of elements can be determined using…

Q: Which of the following are actual "ideal gasses"? Choose them all. Ar 69 Ne H₂O N₂ F₂ NaCl All of…

A: We have to find ideal gases among the given gases.

Q: lubili es a 5. A solution is prepared, and contains 0.313 M aqueous sodium cyanide (NaCN). What is…

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Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: In these question acid or base has been added into a solution and we have to find out the reaction…