What is the change in entropy (in JK mol) of the system for the following reaction 2H2 (g) + 2FO (g) 2H20 (1) + F2 (g) 1)-352.4 2)-176.2 3) -790 4) -684

Q: Q03: Consider the following mechanism: k₁ N₂05 (8) NO2(g) + NO 3 (8) k₂ NO2(g) + NO3(g) → NO (g)…

A: Steady state approximation is used to determine the final rate law. It will use to eliminate the…

Q: Identify the class type of compound shown: NaCl Strong Base Strong Acid O Weak Base Neutral O Weak…

A: Strong acid + strong base = neutral saltStrong acid + weak base = acidic salt Weak acid + strong…

Q: Which of the following would be expected to contribute the HOMO to a transition-state complex?…

A: HOMO (Highest Occupied Molecular Orbital): The HOMO is the molecular orbital with the highest energy…

Q: When plutonium-239 is bombarded with a neutron, it produces zirconium-97, cesium-136, and releases 7…

A: To calculate the mass defect, we need to determine the total mass of the reactants and compare it to…

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: molar heat of neutralization

A: Acids and bases are considered electrolytes, which on dissolution dissociate into their constituent…

Q: 1) Consider the following reaction:NH,NO, +_Na,PO, (NH₂)₂PO₂ +_NaNO₂ Assume we start with 30.0 grams…

A: Few subdivision questions based on introduction to chemistry. Each question are to be answered based…

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: 3. The graph below shows the energy of a chemical reaction. potential energy activated complex…

A: Question is about to find the type of a chemical reaction from its energy graph. The given types…

Q: Why is the dissolving of ammonium chloride endothermic? Would you get similar results for dissolving…

A: An exothermic reaction releases heat energy to the surroundings. In contrast, an endothermic…

Q: Thermite" reactions have been used for welding metal parts such as railway rails and in metal…

A: Heat absorbed by the surrounding = 227.3 kJ/molSurrounding temperature = 298.15 K

Q: 13. The following equation models the beta decay of krypton-89 into rubidium-89. 89 89 36 37 Rb +…

A: Two questions based on nuclear reactions. First question is based on beta decay and the second…

Q: From the following structures, select a reasonable resonance contributing structure for the molecule…

A:

Q: conducted a UV-vis spectra for caffeine/PVA films. I got two peaks at about 203nm and 272nm. I think…

A: 1) Based on your UV-Vis spectra of caffeine/PVA films, your interpretation regarding the origins of…

Q: O Br Na* CEN HCI

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

Q: What is the concentration of 10.00 mL of HBr if it takes 5.00 mL of a 0.253 M LiOH solution to…

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Q: Using the molar enthalpies of formation and the formula, determine the change in enthalpy for the…

A: The enthalpy of formation is defined as the amount of heat released when a substance undergoes…

Q: Piroxicam, a NSAID, demonstrates first-order elimination kinetics. It has a half-life of 48 hours in…

A: To determine the percentage of Piroxicam remaining in the body of the patient 6 days after taking a…

Q: 12) Consider [CuCl4] Cl2. a) What is the oxidation state of the metal? b) What is the coordination…

A: Coordination number(CN): CN of metal ion is defined as the number of ligand donar atoms to which the…

Q: Draw all valid and reasonable resonance structures starting from the first structure shown. Circle…

A: Rules for determining the best resonance structures: 1. Neutral structure is more stable than the…

Q: 29. What happens when gasoline is burned in an automobile engine? A. potential energy is transformed…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: 1. Predict all of the products and mechanisms for the following reactions. a) CH3SH

A: The substitution reaction is the reaction where one functional group is replaced by another…

Q: Calculate the molarity of a solution prepared by dissolving 14.5 g of BaCl_2 in 250 mL of solution.

A: Mass of BaCl2 = 14.5 g Volume of BaCl2 = 250 mL Molar mass of BaCl2 = 208.23 g/mol

Q: 1. Use the photographs in the table "Oxidation States of Manganese" in Step 1 of the virtual…

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Q: How old is a rock that contains 0.065 g of uranium-238 (t₁/2 = 4.5 x 10⁹ years) and 0.023 g of…

A:

Q: A first order reaction initially contains 1.45 × 1020 molecules. If the reaction has a half-life of…

A: For first order kinetics: Half life, t1/2 = 0.693/K K = rate constantAt = Aoe-Kt Ao = initial…

Q: You are asked to balance the following redox equation. What characteristics does this equation have…

A: The reaction given : We will balance this equation by half reaction methode due to the reason that…

Q: The Ksp of AgI, silver iodide= 8.3x10-17. What is the solubility of AgI in a saturated solution of…

A:

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: 33. Aspirin (C9H8O4), which many students take after a chemistry exam, is prepared by the reaction…

A:

Q: Chemical reactions occur when molecules or atoms collide in a way that the bonds between atoms break…

A: Bond formation and breaking involves the activation energy barrier, which determines the…

Q: LOHCs are an alterna?ve technology to transport hydrogen. What are their advantages compared to…

A: Liquid Organic Hydrogen Carriers (LOHCs) are indeed an alternative technology for the transport and…

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: 6. A solution contains 0.67 M hydrofluoric acid (HF) and 15.0 x10 M hydrochloric acid (HCI).…

A: To calculate the degree of ionization of hydrofluoric acid (HF) in the presence of hydrochloric acid…

Q: What is the pH of a 500 mL solution that is 0.40 M H2PO4-  and 0.20 M HPO42-? pKa values for H3PO4…

A: We have to calculate pH of the buffer solution before and after the addition of KOH

Q: what is IPUAC name for CH3CH2CH2CH2CH2CH2CH2-O-CHCH3?

A: General formula for ether functional group : R-O-R' where R and R' are same or…

Q: A mixture of NaBr, Nal and NaNO3 weighs 0.6500 g. With AgNO3, a precipitate of the two halides is…

A:

Q: Answer each equation based on the questions below. Show your solution.  1. Cl2 + 2Kl ----> I2 +…

A: A question based on redox reaction. 3 questions are given that are to be distinguished based on the…

Q: 16. Changes in energy and in measures of disorder, also called entropy, are the driving forces…

A: The solid substances have the minimum disorder, hence the entropy of the solid is minimum. The…

Q: 1. Phenylamine is an aromatic amine that is used in the manufacture of dyes. When absorbed through…

A: For the reaction  Q = reaction coefficient = if Q=K, the reaction is at equilibrium.if Q<K, the…

Q: Write the name of the coordination compound (1st row). If any, show all the possible structural,…

A: [Pt(NH3)4(OH)2]SO4 The oxidation state of Pt is x , NH3 is neutral ligand and the oxidation charge…

Q: Write the mechanism of the following reaction: (CH3)3C-OOH Ti[OCH(CH3)2]4 (+)-DET OH OH

A: The reaction given in the question is SHARPLESS ASYMMETRIC EPOXIDATION REACTION. This reaction is an…

Q: c) Draw pictures showing how a i) day and a ii) d₂2 orbital on Cl would transform under each…

A: SALC - symmetry adopted linear combination of the atomic orbitals. When more than one atomic…

Q: electrophilic addition, nucleophilic addition or nucleophilic substitution.

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

Q: b. THUN daw moitsen shnoo noz NaOH H₂O Br

A: Organic transformation

Q: D. Draw all possible resonance structures for the following (make sure to show all curved arrows): 0

A:

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: (b) Cr₂O72 (aq) + 14 H(aq) + 6 e → 2 Cr³+ (aq) + 7 H₂O(1) ->>> 3 [H₂O₂(aq) → O₂(g) + 2 H(aq) + 2 e]…

A: 8(b)

Q: 64. An electrochemical cell consists of a chromium electrode in 1.0 mol/L solution of Cr(NO3)3…

A: Given spontaneous cell reaction:-Cr(s) + 3Ag+(aq)  -------> Cr3+(aq) + 3Ag(s)Here, Cr undergoes…

Q: Could you briefly explain which answer you got for each question?

A: 1) Os2) Ag3) Ag4) Fe5) Zn