At what temperature, in °C, is a certain reaction at equilibrium if AH = +89.3 kJ/mol and AS = +170.2 J/mol K? .

Q: Use molecular orbital theory to predict which of the species below is paramagnetic. A) C₂²- B) B₂²-…

A: Since, If in a molecular orbital, if electron is not paired then species known as paramagnetic and…

Q: Name the following organic compounds: compound CH3CH CH₂ - CH₂ CH3 CH CH₂ I CH3 CH3 4 CH₂ I CH3CH₂CH…

A: This question is a organic question.  Asking iupac name

Q: 39. An enclosed mixture has a mass of 12.69723±0.00003 g, and after a chemical change occurs the…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: The following bar graph shows the starting and highest/lowest temperatures reached for four…

A: Given,  The temperature is related to the heat energy.  The temperature of the solution increases…

Q: Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) → 2HCl(g) Reaction 2: 20F₂ (g) → O2(g) + 2 F₂…

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Q: Isooctane, an important constituent of gasoline, has a boiling point of 99.3 °C and a heat of…

A: When a liquid changes into gas at its boiling point the entropy of the system increases. The entropy…

Q: Question 8.9 Calculate the [OH-] of a 1.0 × 10-³ M solution of HCI. Question 8.10 Calculate the…

A: We have to calculate the concentration of OH– ,i.e, [OH–] of 1.0 × 10–3 M HCl solution. And we have…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: This is a aldol condensation reaction

Q: Calculate the free energy AG at 25 °C for the nonstandard conditions at point C where the reaction…

A: We know, if reaction quotient is Q, the free energy change is given by the following equation -  ∆G…

Q: A 5.00 L vessel at equilibrium contains 0.0224 M H₂, 0.0224 M 12, and 0.155 M HI. What would be the…

A: Given reaction is :-  H2 (g) + I2 (g) <------> 2HI (g) Concentration of HI at equilibrium =…

Q: Which of the atoms listed below has the SMALLEST atomic radius? K Mg Rb Ca 2) Which of the…

A: The atomic radius increases down the group and decreases left to right in a period. Metallic…

Q: A 25.0-mL sample of 0.200 M KOH is titrated with 0.100 M HNO3. Calculate the pH of the solution…

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Q: What ratio of CH3NH2 to CH3NH3t is needed to prepare a pH 9.80 buffer? (Kb for CH3NH₂ is 4.4 × 10-4)

A: pH= 9.80  Kb= 4.4×10-4  Pkb= -logKb = -log(4.4×10-4)= 3.356  pH+pOH= 14  POH= 14-PH  POH= 14-9.80 =…

Q: YUCHUIVE Which is the correct net ionic equation for the precipitation of lithium phosphate? Li³+…

A: Answer: When solutions of two compounds are mixed and a new compound forms in form of precipitation…

Q: Structural, Geometric and Optical Isomers: For visual clarity, brackets [ ] and charges on the…

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Q: 1.80 grams of ammonia (NH3) is dissolved in 525 grams of water, what is the molality?

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Q: Name the following organic compounds: compound CH3 T CH₂ CH₂ CH3CH₂CH- CH3 CH₂CH₂CH CH₂ - CH₂ - -…

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Q: With the choice of thumbnails labeled A to P below, construct a comic strip depicting the complete…

A: Bromination is the reaction between any compound and bromine, resulting in the addition of bromine…

Q: Provide missing information regarding the reaction shown below: 1. IUPAC name of the starting…

A: Alcohol reacts with thionyl chloride in the presence of pyridine to give an alkyl chloride by the…

Q: Calculate the HOMO-LUMO energy gap: HOMO = -0.19755 LUMO = -0.03632

A: We have to calculate HOMO-LUMO energy gap where, Energy of HOMO = -0.19755 and energy of LUMO =…

Q: 25). What is the major product of the following reactions? NO₂ (A) 1. H₂C AICI, CI 2. HNO3 H₂SO4 NH₂…

A: Benzene on reaction with acetyl chloride gives acetophenone.  Acetophenone on nitration followed by…

Q: Set up a cell that has a Mg electrode in a 1.0 M aqueous Mg2+ solution on the left side and a Cu…

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Q: 3. Write a balanced chemical reaction for the synthesis of methane (CH4) and liquid water from…

A: Write down balanced reaction for acetic acid and hydrogen. Then use enthalpy values to calculate the…

Q: The pOH of an aqueous solution of 0.418 M quinoline (a weak base with the formula C₂H7N) is .(Assume…

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Q: Stearic acid (C18H36O2) is a typical fatty acid, a moleculewith a long hydrocarbon chain and an…

A: Mass of stearic acid = 1 g Enthalpy of formation of stearic acid = -948 kJ/mol…

Q: B -0-0-0- с Br₂ A B D (C4H6) E

A:

Q: If a tree dies and the trunk remains undisturbed for 1.375 x 104 years, what percentage of the…

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Q: Sodium hydrogen carbonate (NaHCO3), also known as sodium bicarbonate or "baking soda", can be used…

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Q: Provide the product of the following reaction. Assume that an aqueous workup provides a neutral…

A: In the above given reaction a cyclic anhydride reacts with 2-propanthiol.  In this reaction…

Q: Ion exchange columns favor the binding of ions that have a: a) Low charge, small hydrated radius and…

A: Ion exchanger favour binding of ions that have higher charge , decreased hydrated radius and…

Q: Identify the reactant, reagents, and intermediates in the synthetic sequence shown. Reagents may be…

A: A question based on reactions of aldehyde and ketone. A reaction scheme of ketone into alcohol…

Q: For the aqueous [PbC1]2- complex K=2.5 × 10^15 at 25 °C Suppose equal volumes of 0.0014 M Pb(NO),…

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Q: The equilibrium constant for the equation       HNO2 (aq)  +  H2O (l)    ⇌    H3O+ (aq)  +  NO2−…

A: Answer: ∆Grxn=∆Grxn0+2.303RTlog[H3O+][NO2-][HNO2]   At equilibrium,  ∆Grxn=0[H3O+][NO2-][HNO2]=K So,…

Q: Classify the following substituents according to whether they are electron donors or electron…

A: The question is based on the concepts of Organic chemistry. There are two important effects which…

Q: 13. Choose the product of the following reaction A В ОН 0 0 H ОН НО. HO PCC dioxane C Н D О Н

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Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

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Q: Why is a laundry pod dissolving in a washing machine considered spontaneous?

A: Spontaneous process are the process which occur without any external force and energy input .

Q: A 0.2000M solution of hydroflouric acid is only partially ionized. Using measurements of the pH of…

A: The question is based on the concept of pH of the solution.  it is defined as a negative logarithm…

Q: РКА1 Ka1 a1 Average K₂1 Standard Deviation of K₂1 pK₂2 a2 Kaz Average K₁2 Standard Deviation of Kaz…

A: Given data, pKa1= 4.315, 4.53, 4.635 pKa2=9.35, 8.78, 10.78   To calculate, Ka1 and Ka2 values…

Q: alculate the kilocalories needed to melt a 825 g ice sculpture at 0 degrees Celsius and to warm the…

A: Given that Mass of ice sculpture= 825 g Initial temperature of ice sculpture = 0oC  Final…

Q: Convert the following to the unit specified. Show your dimensional analysis (SHOW YOUR WORK!)   574…

A: Since, We know that, 1 torr = 1 mm Hg then,

Q: In each row check off the boxes that apply to the highlighted reactant. reaction Ag (@q) + 2NH,(aq)…

A: Answer: Bronsted-Lowry acid: Specie that gives H+ ion during the chemical reaction Bronsted-Lowry…

Q: Part 1: (a) Determine the molar solubility of Mg(OH)2 in water and the pH of a saturated Mg(OH)2…

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Q: When any radioactive dating method is used, experimental error in the measurement of the sample's…

A: Initial activity , Ao=0.23 Bq per gram of carbon in a living organism

Q: H Cl₂, CH₂CH₂OH

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: Suppose you are performing a hydroboration oxidation of 1-hexene to form 1-hexanol. Your reaction…

A: We have find out the answer.

Q: Calculate the solubility (in g/L) of a generic salt with a formula of A₂B, a Ksp of 5.80 x 10-14 and…

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Q: Name these organic compounds: structure H- Η Η Η | C = H | Η Η Η Η Η Η Η | | | | | | H=C=C=C=C=C=C=H…

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Q: Classify each of these chemical compounds: compound (CH₂)₂0 HBr Mg(OH)₂ type of compound (check all…

A: We need to classify the compounds in molecular , ionic ,organic,inorganic and hydrocarbon.

Q: 9. What is the product of the synthesis? i. cyclopentene, A il. 03 iii. (CH 3) a S iv. NaOH

A: This is a organic synthesis reaction.