Burning one gram of gasoline produces 47.9 kJ of energy. Express the heat energy In kilocalories ( given that 1 kcal = 4.184 kJ)

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A: Lassaigne test is used for the estimation of nitrogen in an organic compound. In this test sodium…

Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 16.8 g of carbon…

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Q: The equilibrium boiling point of ethanol, CH3CH₂OH, is T = 78°C at P = 1.00 atm. What are the signs…

A: Explanation For non spontaneous process ΔG > 0 and ΔSuniv < 0 For  spontaneous process ΔG <…

Q: The entropy of fusion for ice at 0.0°C and 1 atm is 22 J/mol K. How many joules of heat are required…

A: Given that the entropy of fusion for ice is 22 J/mol.K at 0.0oC. ∆Sf =22 Jmol.K

Q: An analytical chemist is titrating 70.4 mL of a 0.3700M solution of cyanic acid (HCNO) with a…

A: Given that, Volume of cyanic acid = 70.4 mL Volume of KOH = 55.9 mL Molarity of cyanic acid = 0.3700…

Q: Predict the product of the Diels-Alder reaction of this compound with cyclopentadiene. Draw your…

A: The Diels-Alder reaction is a type of chemical reaction that involves the reaction of a conjugated…

Q: Name each of following compounds:

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

Q: A dibasic organic acid has a neutralization equivalent of 45+1. Deduce the structure of this organic…

A: An acid that has two acidic hydrogen atoms in its molecules is known as dibasic acid.  The…

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Q: Carbon monoxide reacts with hydrogen gas to from methanol (CH3OH). If 10.0 g of carbon monoxide and…

A: Given -> Weight of CO = 10.0 gm  Weight of H2 = 10.0 gm

Q: the henry's law constant for CO2 is 3.4x10^-2 M/atm at 25 degrees C. assuming ideal solution…

A: The pressure of CO2 can be calculated using Henry's Law, which states that the solubility of a gas…

Q: How much energy is required to cool 250. g of ethanol from 125 °C to 10.0 °C? You will find the…

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Q: Convert 61.69 moles of X4Z3 into grams of the same compound. (Assume that the molar mass of X is…

A: moles  of X4Z3 = 61.69 mol molar mass of X = 39.15 g/mol molar mass of Z = 64.67 g/mol To determine:…

Q: 2) Label the least favorable conformation and most favorable conformation of the substituted…

A: A-First A Chair conformation is most stable because tert-butyl group is present at Equatorial…

Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 259.0 Torr at 45.0 °C. Calculate…

A: According to the question, P1 = 92.0 torr  T1 = 23 + 273 = 296 K  P2 = 259 torr  T2 = 45 + 273 = 318…

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Q: Provide ALL the resonance structures for the compounds shown below...also draw ALL the valence…

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Q: Answer the following question pertaining to the reaction of maleic anhydride and 1,3- butadiene:…

A: This question is related to Diels-Alder reaction. Diels-Alder reaction is a cycloaddition reaction…

Q: In the compound given below, the hydrogenes marked A and B are Ph 'B -HA Ph

A: Homomorphic ligands: Ligands are called homomorphic, if they are indistinguishable when considered…

Q: Macmillan Learning What is the concentration of OH and pOH in a 0.00049 M solution of Ba(OH), at 25…

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Q: Chem 105 Online Data Collection and Calculations Part 1: Separation of Salt, Sand, and Iron Data…

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

Q: 1. Draw the starting alkyne that would lead to this major product under these conditions. Drawing…

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

Q: A 10.00-mL sample of blood was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed…

A: The balanced chemical equation for the titration is  5C2O42-+2MnO4-+16H+→2Mn2++10CO2+8H2O

Q: How much salt must be added to PbCl2 to avoid any precipitation of solid PbSO4

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Q: H3C OH H3C Br Br жес -OH Br ОН Br OH CH3

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

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Q: Electron Configuration Practice Worksheet In the space below, write the unabbreviated electron…

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

Q: Which of the followinf salts could be added to the PbCl2 solution to decrease Pb2+ concebtration,…

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Q: Calculate the pH of an aqueous solution that is 0.035 M in HCl(aq) at 25 °C. pH =

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Q: 28. Circle and name the functional groups in the following molecules: a) b) c) H3C- ном...... HO.…

A: Given various compounds  ,we need to circle and name  the functional groups .

Q: Based on their activation energies and energy changes and assuming that all collision factors are…

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Q: When the following equation is balanced properly under acidic conditions, what are the coefficients…

A: Recall the given equation,                                                  PbO2 + HNO2 = Pb2+ +…

Q: . What volume is needed to store 5 moles of helium gas at 350 K under the pressure 190 KPA? of - A…

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Q: 2 NaN32 Na + 3 N₂ 1) Given 0.38 grams of N₂, how many grams of NaN3 are needed?

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Q: Which of the following are NOT a base units of the metric system. Kelvin and kilogram Second and…

A: Since, In metric system, seven quatity measure, which have its unit. Thus,

Q: Calculate the amount of water in grams that must be added to a 6.50 g of urea (NH2)2CO in the…

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Q: 1. Determine the mole ratios for each of the following balanced chemical equations. a) 2C(s) + O2(g)…

A: In a balanced chemical equation, the numeric value present in front of the molecule is known as the…

Q: Click on the site of fastest protonation by HBr. H3C-CH=CH-CH=CH₂

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Q: How many milligrams of solid MgCl2 (Formula Weight: 95.211 g/mole) are required to prepare 250mL of…

A: Given: Molarity of solution = 150 mM = 150 x 10-3 M = 0.150 M = 0.150 mol L-1 Volume of solution =…

Q: 3-3. The density of 2-methyl-2-butanol is 0.806 g/mL. How many mgs represent an aliquot of 430 µL?…

A: 3-3. Given,Density of 2⎯methyl⎯2⎯butanol = 0.806 g/mL Formula weight of 2⎯methyl⎯2⎯butanol = 88.15…

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

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Q: Arrange the boiling points of the aqueous solutions, relative to pure water. Assume complete…

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Q: What is the final pH if you have 700 ml of sodium acetate buffer (50 mM, ph of 5.0) and you add 10…

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Q: Enter your answer in the provided box. The vapor pressure of ethanol is 1.00 x 102 mmHg at 34.90°C.…

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Q: How many grams of Cu(OH)2 will precipitate when excess Ba(OH)2 solution is added to 74.0 mL of 0.786…

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Q: At 2000 °C the equilibrium constant for the reaction 2NO(g) = N₂(g) + O2(g) is Ke 2.4 x 10³. ▼ Part…

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Q: Write the structures of products of the following reactions for the synthesis of saccharin

A: Saccharin is an artificial sweetener. The IUPAC name is 1,2-benzisothiazolin-3-one-1,1-dioxide.…

Q: Match each of the diagrams above with its classification below. Answer Classification Unsaturated…

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Q: Which of the following is an endothermic process? a) water freezing b) propane burning in air Oc)…

A: Exothermic reactions are chemical reactions that release energy in the form of heat, light, or…