Considering perfect gases, which state function is zero when two substances are mixed? Entropy Gibbs energy O Internal energy Enthalpy

Q: Lab para-iodo nitrobenzene If aniline was used instead of p-nitro aniline, comment on which of…

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Q: Draw the structure of a naturally occurring amino acid that contains a secondary alcohol.

A: To draw: The structure of a naturally occurring amino acid that contains secondary alcohol.

Q: When the following reaction is ot equilbrium, which of these relationships is always true? 2 Ogig) -…

A: Answer: Given balanced chemical equation is shown below: 2O3(g)↔3O2(g)   It means, 2 mole ozone is…

Q: How many valence electrons does each of the following dietary trace elements have? A. Zinc B. Iodine…

A: The valence electrons: A. Zinc 2

Q: Use the References to access important values il needed tor this question. In the laboratory, a…

A: Here CH3COOH is weak acid.  Weak acid are those which does not dissociate completely in aqueous…

Q: The compound silver fluoride, AgF is soluble in water. Write the formulas for the lons that interact…

A: An ionic compound dissociates into ions when dissolved in water. This is because an ionic compound…

Q: Write a balanced half-reaction describing the reduction of gaseous dichlorine to aqueous chloride…

A: Given: Reduction of gaseous dichlorine i.e. Cl2 (g) to aqueous chloride i.e. Cl- (aq) ions.

Q: In the phase diagram of water, where is the solid-liquid boundary? 218- E B 0.006- A 0.01 100 374…

A: We have to predict the boundary.

Q: Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum)…

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Q: A micropipette was used to draw 450 microliters of solvent X and when measured using an analytical…

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Q: An unknown sample of Librium was analyzed using polarography. A 50 mL sample containing the sample…

A: given that , Wave height was 0.40 uA when it contained 50 ml Librium. Now after adding 5 ml , the…

Q: . In mining, roasting is the oxidation of metal sulfides to produce metal oxides and sulfur dioxide,…

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Q: For the overall chemical reaction shown below, which one of the following statements can be rightly…

A: We have to predict the correct option for given transformation.

Q: 4 Find the nuclear binding energy of potassium-40 (atomic mass = 39.9632591 amu) in units of joules…

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Q: Which of these situations will result if some CHalgi is removed from the reaction COlgi - 3Hzlg) -…

A: We have to predict the resultant situation.

Q: How does hydronium ion concentation relate to electrode potential in potentiometry? a. As…

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Q: Radioactive decay is measured in terms of "half-life", which is the number of years required for…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 13.76 Chrome is plated from solutions of chromium(III) ions. If a particular application requires…

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Q: Which of the following aqueous solutions are good buffer systems? O 0.33 M ammonia + 0.39 M sodium…

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Q: Predict the major product of the following reaction. NaOH/H,0 Heat ?

A: ->Base can abstract most acidic hydrogen and form nucleophile this nucleophile called enolate…

Q: . Tetrahydrocannabinolic acid (THCA), the precursor to THC, a psvchoactive: H.Q • This molecule is…

A: The compound given is,

Q: Please write out all the formulas and steps: Known: 5 % NaOCI: Molar mass of = 165.15 g/mol Quantity…

A: To find :  Number of moles of NaOCl, number of moles of NaOH, and theoretical yield of…

Q: 800 705 kJ 600 497 kJ PE (kJ) 400 200 175 kJ 100 Reaction Progress Created by E. Lee for Virtual…

A: Given: potential energy of activated complex without any catalyst = 705 KJ. And the potential energy…

Q: At 400°C, Ke = 64 for the equilibrium H2(g) + 12l9) = 2HI(g). If 3.00 mol H2 and 3.00 mol I2 are…

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Q: Given the two standard reduction potentials, calculate the equilibrium constant (K) for the…

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Q: Br,/CH3COOH ÓCH3 16 H,CH2COOCC COOCH2CH3 H2C excess NaOCH,CH; CH;CH,OH 17

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Q: किष वैhह लनहलीवाकड ले शेण्डक बन्कमवmdेड कएकीवालड ले भ्रोण्क टनतकककादड the की निष्ट चैनए तलाव su…

A: -> In amine there are nitrogen which has loan pair .It can acts base and give acid base reaction…

Q: Весause s is a strong acid, it dissociates almost com- pletely in water. That means the…

A: We have given that, the concentration of H+ is nearly equal to the concentration of HNO3.

Q: Epinephrine contains the __ group that is absent in norepinephrine. The donor of this group is…

A: epinephrine: It another name is adrenaline, this is a hormone that is secreted mainly by the medulla…

Q: Which of the following sequences show an increasing strength of acidity? I. HNO2 (Ka=4.0 x 10-4)…

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Q: Which of these situations will result if some CH4lg) Is removed from the reaction Colg) + 3H2(g) =…

A: Reaction given:  CO(g) + 3H2(g) ⇌CH4(g) + H2O(g) According to Le-chatelier's principle:  If an…

Q: The half life for a first order reaction is 45 min. What is the rate constant in units of s? Multple…

A: Note : Half life (t 1/2) = 0.693 / K . See below.

Q: Consider a molecule that that has three conformations labelled A, B and C. Conformations A and B are…

A: The formula, ratio of population, N2/N1= exp-(E2-E1)/KbT

Q: Write the equilibrium constant expression for this reaction: 2CH,CO0 (aq)+C,H¿O,(aq) →…

A: Write Kc expression of the given reaction--

Q: Which of the following are not related as a keto-enol pair? он and HO and Он and and ÓH

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Q: .To find the concentration of an acid solution, pure sodium carbonate can be used as a standard. In…

A: Given: Mass of sodium carbonate i.e. Na2CO3 used = 2.15 g. And the volume of HCl solution used =…

Q: Rank the relative rates of the following alkyl halides in an E1 reaction.

A: Elimination reaction of alkyl halide: Alkyl halide gives an elimination reaction by reacting with a…

Q: 47) Two samples of potassium iodide are decomposed into their constituent elements. The first sample…

A: Given: In sample 1, the mass of potassium i.e. K produced = 13.0 g. And the mass of I produced in…

Q: For the reaction PCI3(9) + Cl2(g) = PCI5(g) at a particular temperature, Ke = 24.3. Suppose a system…

A: Given :  PCl3(g) + Cl2(g) <-----> PCl5(g)  [PCl5] = 0.60 M [PCl3] = 0.10 M [Cl2] = 0.15 M  Kc…

Q: 1.25 moles of NOCI were placed in a 2.50 L reaction chamber at 427°C. After equilibrium was reached,…

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Q: For a certain chemical reaction, the equilibrium constant K = 7.9 × 10 -4 at 20.0 °C. Calculate the…

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Q: A voltaic cell utilizes the following reaction: 4FE²+(aq) + O2(g)+4H*(aq)→4Fe3+(aq) + 2H2O(1)…

A: The balanced reaction taking place is given as, => Given: Eocell = 0.46 V [Fe2+ ] = 1.8 M, [Fe3+…

Q: The half-ide of years. Whet fraction of the atoms in a semple of Sr would remain 175 years later?

A: 29 years from this data, we can find the decay constant λ here. lamda=0.693/29=0.24years The T hub…

Q: use this equation 2 Al + 6 HCl = 2 AlCl3 + 3 H2 How many grams of aluminum are required to react…

A: The balanced reaction taking place is given as, => 2 Al + 6 HCl → 2 AlCl3 + 3 H2  Given:…

Q: What mass of MCl is needed to make 3000g of 30% solution? (MW: H= 1 , Cl= 35)

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Q: You are tasked to dilute a 10X PBS stock solution to 1X, 50ml solution. Calculate for the volume of…

A: Given,  For dilution a 10X PBS stock solution to 1X, 50ml solution. The volume of distilled water…

Q: Silver nitrate reacts with nickel to form Ni(NO3)2 and silver. To produce 0.7kg of silver, how many…

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Q: Sneet(S) 0I paper to get Tun Chapter 6 1. A gas system has an initial volume of 2400mL with the…

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Q: What is the percent of CaCO3 in an antacid given that a tablet that weighed 1.3198 g reacted with…

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Q: ple Choice 049 46 x 103 O 58 x 103

A: According to the question, for the reaction 4CuO(s) ----> 2Cu2O(s)+O2(g)    Kp= 0.49 at T=1024…