Under what condition(s) is the enthalpy change of a process equal to the amount of heat transferred into or out of the system?

Q: When 12.0 mL of a 5.17×10-4 M manganese(II) acetate solution is combined with 25.0 mL of a 7.96x10-4...

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

Q: N2(g) + 3H2(g) = 2 NH: (g); AHrxn = -92.4 kJ, meaning the reaction is exothermic. Given the aforemen...

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Q: 25 mL of a 0.356 M solution of NH4+ was mixed with 40 mL of 0.842 M potassium nitrate. What is the f...

A: Given,  Molarity of NH4+ = 0.356 M  Volume of NH4+ = 25 mL  Molarity of KNO3 = 0.842 M  Volume of KN...

Q: Calculate ΔS when 25.0 g ethanol at 50.0 °C is added to 75.0 g ethanol at 10.0 °C in an insulated co...

A: Entropy change= m×Cp ln T2/T1 25g ethanol has higher temperature 50°C than 75 g ethanol with 10°C.  

Q: Based solely on the amount of available carbon, how many grams of sodium oxalate, NazC2O4. could be ...

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Q: 며. b. it C.

A: For the IUPAC nomenclature of alkene we follow certain rules ; Select the parent chain having long ...

Q: 3- ethylcgclohexa - 1,4-diene NHz

A: Given compound: 3-ethylcyclohexa-1,4-diene The structure of the above-given compound has to be deter...

Q: Give a synthetic scheme to synthesize spiro[5.4] decane from a symmetrical 1,2-diol

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Q: For each of the following-define a system and its surroundings and give directions of heat flow. Mot...

A: There are two types of reaction :-  Exothermic reaction  Endothermic reaction 

Q: Part II (25 pts) Instruction: You have learned about the enzymes. Give five examples of SPECIFIC enz...

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Q: An analytical chemist is titrating 57.3 mL of a 0.8800M solution of propylamine (C,H,NH,) with a 0.8...

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Q: hen 0.0916 g P4O6 were mixed with 0.113 g H20, a student obtained 0.121g H3PO3. What was the percent...

A: P4O6       +    6H2O --->  4H3PO3 0.0916g       0.113g.      0.121 g Molar mass of P4O6 = 219.88 ...

Q: glass vessel contains 28 g of nitrogen gas (N2). Assuming ideal gas behavior, which of the processes...

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Q: OH OH OH OH OH G F но LOH HỌ но. OH ÒH OH OH OH Sugar F is reducing while sugar G is non-reducing O ...

A: if free OH group present at anomeric carbon of sugar molecule then it is reducing molecule if free O...

Q: 2) 1-bromo-4,4-dimethyl-2-hexyne Expanded Structure Condensed Structure Line/Skeleton Structure

A: Draw the expanded, condensed and line/skeleton structure of the following alkenes and alkynes. 

Q: An analytical chemist is titrating 97.8 mL of a 1.100M solution of nitrous acid (HNO,) with a 0.8900...

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Q: What is the molarity of pure water?

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the ...

Q: SYNTHESIS AND DECOMPOSITION Name: 1. Perform each reaction at your lab bench by following the direct...

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Q: Suppose 400.0 ) of heat transfer causes a sample's temperature to drop by 2.00°C. Calculate the heat...

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Q: B. Refer to the properties of water to answer the following questions: 1. Explain why ice is able to...

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the ...

Q: 25.0 mL of a 0.356 M solution of NH4 + was mixed with 40.0 mL of 0.842 M potassium nitrate. What is ...

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Q: solution is prepared by dissolving 43.2 g magnesium acetate in enough water to make 150 mL of stock ...

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Q: 10. The which include halogenated hydrocarbons. alcohols, ethers, phenols, and amines. O carbonyl fu...

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Q: Addition of ammonium bisulfate In addition to the H,S already present in the flask, solid NH,HS is a...

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Q: To manufacture a vehicle, four tires and one steering wheel are required. How many cars can be manuf...

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Q: Identify a pair of one body parts/ organs of the Human Body that exhibit chirality_ (Exclude hands a...

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Q: A 0.610 g0.610 g sample of a metal, M, reacts completely with sulfuric acid according to   M(s)+H2...

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Q: View Policies Current Attempt in Progress If 0.0916 g P406 is mixed with 0.113 g H2O, what is the th...

A: Given mass of P4O6=0.0916g Mass of water=0.113g Molar mass of P4O6=4×31+6×16=220 g/mol Molar mass of...

Q: 45. In the process of .methanol salicylic acid will produce methyl salicylate." lodoform test esteri...

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

Q: 1. MgF2 2. NH, 3. О, Mg = 1.2 F2 = 4.0 N = 3.0 H, = 2.1 O = 3.5 SOLUTION: SOLUTION: SOLUTION: Mg F2 ...

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Q: 2. A KCI solution has a concentration of 300 ppb. What mass of KCl is contained in 900 mL of this so...

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Q: A chemist titrates 250.0 mL of a 0.0775 M potassium hydroxide (KOH) solution with 0.0631 M HCl solut...

A: Given is an acid- base titration, where base is KOH and acid is HCl. Here we have to find the ph at ...

Q: Consider Fe2(SO4)3+ 6H2O+ 6NH3 2Fe(OH)3 + 3(NH4)2SO4. Calculate the mass of (NH4)2SO4 produced when ...

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Q: 28.Consider the chemical reaction 2NH3(g) N2(g) + 3H2(g). The equilibrium is to be established in a ...

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Q: 25.0 mL of a 0.95 M lead (II) chloride solution are mixed with 25.0 mL of a 0.75 M aluminum iodide s...

A: Given,  25.0 mL of a 0.95 M PbCl2 solution are mixed with 25.0 mL of a 0.75 M AlI3 solution. The max...

Q: Consider a sample with Vsolid = 0.0180 L/mol and Vliquid = 0.0196 L/mol and Hfus = 6.01 kJ/mol. Calc...

A: Given that, for a sample  Vsolid = 0.0180 L/mol. Vliquid = 0.0196 L/mol. Hfus = 6.01 kJ/mol = 6010 J...

Q: Suppose a 250. mL flask is filled with 1.1 mol of CO, 0.80 mol of H,0 and 0.60 mol of CO,. The follo...

A: Volume of flask = 250.0 mL Moles of CO = 1.1 mol Moles of CO2 = 0.60 mol Moles of H2O = 0.80 mol

Q: An unknown substance was subjected to melting point determination. Theoretically, the melting point ...

A: Melting point is the temperature at which a substance changes its state from solid to liquid. Theori...

Q: Wine goes bad soon after opening because the ethanol (CH,CH, OH) in it reacts with oxygen gas (0,) f...

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Q: OH OH F OH он G но он но но. OH он OH OH OH Sugar F is reducing while sugar G is non-reducing O True...

A: The carbohydrates which have free aldehyde or keto functional groups, and hemiacetal in the disaccha...

Q: 49. The general structure of the sulfur containing compound R-C-O-SH is for thiols O thials thio aci...

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Q: Consider a traditional Diels Alder reaction noting it's methodology and synthetic tactical. Then pro...

A: A question based on green chemistry that is to be accomplished.

Q: Balance the following chemical reaction and determine the coefficients of Fe2(SO4)3 and H2O, respect...

A: given chemical reaction, FeSO4 + KMnO4 + H2SO4 → Fe2(SO4)3 + MnSO4 + K2SO4 + H2O  

Q: A bubble of gas with volume 18.4 mL is released by a scuba diver at 1.50 atm and 0.00 0C. Calculate ...

A: A numerical problem based on properties of gas that is to be accomplished.

Q: c. In the brewing process, hops play an important role in imparting bitterness in the finished beer ...

A: Based on the structure of given alpha acids, we have to determine whether we can analyze them separa...

Q: Calculate for the viscosity of the solutions. Describe the relationship between viscosity and densit...

A: Answer is as follows.

Q: A sample of gas at 15º C and 1 atm has a volume of 2.58 L. What volume will this gas occupy at 38º C...

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Q: 10:40 1 ll Question 1 of 4 Done Draw the major product of this reaction. Ignore inorganic byproducts...

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Q: What is the Haworth representation of this ball and stick stucture? O HOCH2_0 OH OH OH OH OH OH но O...

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Q: a)Determine the rate law for this reaction. Do not include states of matter or spaces in your answer...

A: A numerical problem based on kinetics of reactions in solution that is to be accomplished.