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Q: A 15.6 g of gold is heated, then placed in a calorimeter. Temperature increases from 30.5°C TO 54.7…

A: Given,Mass of gold heated = 15.6 gInitial temperature of gold = 30.5 °CFinal temperature of gold =…

Q: PART A.1: calculate the Empirical formula for a compound. 1. A cocapound contists of 20-3g of…

A: Part A : 1) Converting the weight (in grams) to moles Moles of carbon = 20.3/12 = 1.697 Moles of…

Q: For which of the mixtures will Ag2SO4(s) precipitate? 150.0 mL of 0.10 M Na2SO4(aq) and 5.0 mL of…

A: We know the Ksp of Ag2SO4 is 1.5x10-5. so we can predict whether  Ag2SO4 will precipitate or not…

Q: What is the major product of the following reaction? а a. о a Ор О с Od 1.OsO4, pyridine 2. NaHSO3,…

A:

Q: Why is it C?

A: The given equilibrium is CaCO3(s)⇔CaO(s)+CO2(g).

Q: 40.0 mL of 0.200 N NaOH is mixed with 60.0 mL of 0.300 N HCl. What is normality of the remaining H+…

A: Answer:- This question is answered by using the simple concept of chemical reactions of acid and…

Q: Give the reagent or chemical test that would differentiate the following pairs of compounds. Provide…

A: Toluene is oxidized to benzoic acid in the presence of KMnO4 Terminal alkynes react with ammonified…

Q: Calculate the standard reaction enthalpy for the oxidation of nitric oxide to nitrogen dioxide 2…

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Q: In an experiment 5.0 kg of a fuel was completely burnt. The heat produced was measured to be 180,000…

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Q: 1. A 50g sample of metal iron that was heated to 90 °C was dropped into a coffee cup calorimeter…

A: Given, mass of sample = 50 g volume of water = 200 mL

Q: 7. Name the following compounds. auch! a. H3C- b. H3C- H₂H₂ OH C -CH3 H || Betae - CH3 ether c.…

A: To solve this problem we have to write the name of the given compound .

Q: In addition to your recorded pH called make a table showing the corresponding [H3O+]values. Also…

A: We use the below formula to find [H3O+] from pH.  [H3O+] = 10-pH

Q: Which one of the following compounds does not follow the octet rule? A) NF3 B) CO2 C) CF4 D) Br2 E)…

A: Given some molecules a) NF3 b) CO2 c) CF4 d) Br2 e) NO2 We have to choose that molecule which does…

Q: A system did 150 kJ of work and its internal energy increased by 60 kJ. How much energy did the…

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Q: What volume, in L, of 0.209 M NiCl2 solution is required to produce 69.4 g of precipitate.…

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Q: 3. Which of the following has the largest ionic radius? a. Nat b. perve (-). Mg2+ N³- d. 0²- e. F xx…

A:

Q: эмо OME MaOME нзот о OME

A: Curley arrows are always drawn in such a way that the arrow head is pointing to the atom that is…

Q: Fe(OH)2 precipitate from a buffer solution that has a pH of 8.42? The ?sp of Fe(OH)2 is 4.87×10−17.…

A: pH+ POH = 14

Q: A sample of oxygen gas occupies a volume of 7.53 L at 59.0°C and 0.520 atm. If it is desired to…

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Q: How much heat is added to increase a 8.45 g sample of gold to increase its temperature by 6.2 °C?…

A: We have been given mass of gold,specific heat of gold and increase in temperature and we have been…

Q: Part A Au (aq) → Au³+ (aq) Express your answer as a balanced half-reaction including phases. 0…

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Q: What is the effect on the emf of the cell shown in figure below, which has the overall reaction…

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Q: Write the IUPAC names for the following compounds. CH3-CH2-CH2-CH-CH3 1. 2. 3. CH, OH CH₁ CH-CH-CH₂…

A: We have to tell the following structures their IUPAC name  IUPAC nomenclature is a method of naming…

Q: 4. Use Hess's law to calculate the enthalpy of formation of C₂H6 (g) given the following data. AH…

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Q: The relative rates of epoxidation reactions of the following four alkenes are 1, 22, 484, 6526.…

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Q: A chemist titrates 130.0 mL of a 0.7470M trimethylamine CH33N solution with 0.5781M HCl solution at…

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Q: Calculate the energy required to heat 211.0 g of water from 47.4 °C to 66.5 °C. Assume the specific…

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Q: مهال بيدة بالا مساس کی off 2. H H₂PO4 (cat.) NaBHy CH3OH Hcl Ho Pyridine 1. MgO CH ₂ CH ₂ OCH ₂ CH3…

A: The different sets of reagents and substrate produces different types of products.  NaBH4 :- it is…

Q: 8. Select the short hand notation representing the fatty acid shown, 18:2CA9,12,15 18:3c49,12,15 O…

A: Answer:- This question is answered by using the simple concept of writing the notation for the fatty…

Q: Calculate the heat of reaction AH for the following reaction: 2 CH₂(g) + 30₂(g) 2 CO(g) + 4H₂O(g)…

A: Given -> 2CH4 (g) + 3O2(g) ---> 2CO(g) + 4H2O(g) B.E(C-H) = 413 KJ/mole  B.E (O=O) = 498…

Q: Draw the major product of this reaction. Ignore inorganic byproducts.

A: Hemiacetal forms when an ketone reacts with an alcohol.

Q: Show the chemical equation for the substitution reaction of 2-chloro-2-methylbutane with sodium…

A: Substitution reaction is the reaction in which there is replacement of one atom or molecule by…

Q: is FeCl3   neutral, basic, acidic, or cannot be determined?

A:

Q: Explain how the quantum numbers are being used in determining the electron configuration of atoms.…

A: Quantum numbers are set of numbers that describe electrons in an atom. There are 4 such Quantum…

Q: 7. 36.7 ml at 825.0 torr to 745 torr 8. 150.0 ml at 10,000.0 torr to 0.00150 torr 9. 25.0 ml at…

A: since you have asked for part 7 to 10 only, we are providing you a solution for that.

Q: Consider the combustion reaction below. 2 CH3OH(g) + 3 O2(g) → 2 CO2(g) + 4H₂O(l) If this reaction…

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

Q: What mass of Ca(OH)2 is present in a sample if it is titrated to its equivalence point with 0.95L of…

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Q: The molecular orbitals depicted below are derived from n = 2 atomic orbitals. A D 025 (a) Choose the…

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Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

A: Ionisation energy is the amount of energy required to remove the electron from an isolated gaseous…

Q: Which of the following reaction is a correct procedure to prepare alkenes. a. b. C. a C Br OH Br a…

A: The given problem is based on the preparation methods of alkenes.

Q: I need in hypothesizing what signals would arise in the below compound's IR. I need help in…

A: To construct an IR table with absorption maximum, shape, intensity and corresponding functional…

Q: QUESTION 15 What is the major product of the following reaction? H3C. a. b. с. d. H3C H C H3C H C…

A: The given question is based on the chemical properties of alkynes.

Q: 2. Dr. Dahm has prepared 250 mL of a acetate buffer which contains 0.1 mol of acetic acid (CH₂COOH)…

A: we have to calculate the pH of solution

Q: Part E What is the cell potential for the reaction at 57 °C when [Fe2+] = 2.90 Mand [Mg2+] = 0.210…

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Q: 11 Et I substrate - L 2₁ 1) Hg(OAc)₂, THF, H₂O 2) NaBH₂, NaOH TUO Br₂ H₂O ibla cubstrates E Pr LAGE…

A: In presence of Hg(OAc)2 , H2O and NaBH4/OH- , oxymercuratiion- demercuration reaction occurs.  Here…

Q: Carbon from a glacier mummy discovered in the Tyrolean Alps has an activity of 5.47 decays of- 14C…

A: we have to calculate the age of sample

Q: Which of the following is/are a reason that water is a desirable heat sink for use in calorimeters?…

A: Specific heat capacity is defined as the amount of heat required to raise the temperature of 1g of…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

A: Given data for first reaction  delta H = 852. kJ  delta S = 2272. J/K T = 87.0 0C Given data for…

Q: Determine the empirical formula of a compound that contains 44.9% potassium, 18.4% sulfur, and 36.7%…

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Q: 8. The heats of hydrogenation of the following four alkenes are 105, 111, 114 and 122 (in kJ/mol).…

A: We know heart of hydrogenation is inversely proportional to the stability of alkene . Br2 is added…