When a sample of 4°C water is cooled, it   expands.   remains unchanged.   Not enough information is provided.   contracts

Q: If treated with strong aqueous acid, what might happen to the molecule? Show the mechanism step by s...

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Q: essential oils from a plant, 7.5 mL of benzene (C6H6, 78.11 g/mol) was mixed with 25.00 mL of hexane...

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Q: Provide the correct IUPAC name for the compound shown here. H3C CH3 CH-CH3 CH3 (E)-2,3-di methylprop...

A: For IUPAC naming of alkene first of all find configuration of alkene. Then give numbering from the s...

Q: (A) Sample Problem: A 12.1 Moles NaOH solution means there are 12.1 moles of NaOH in liter of soluti...

A: QA) Number of grams of NaOH in 12.1 moles of NaOH solution 1 mole NaOH = 40 g NaOH (GMW) 12.1 mol Na...

Q: If treated with strong aqueous acid, what might happen to the molecule? Show the mechanism step by s...

A: The potentially reactive groups present in these molecules are ether and amide. These groups undergo...

Q: Which of the following statements explains why systems naturally progress toward higher entropy? A) ...

A: According to second law of thermodynamics, entropy of a system always increases due to natural proce...

Q: Reaction of carbon disulfide with hydrogen gas at 960 °C is a reversible reaction presented as follo...

A: Given data for  a) Volume of evacuated vessel (V) = 1 L  Initial volume of CS2 and H2 are 1.250 mole...

Q: A 12.1 Moles NaOH solution means there are 12.1 moles of NaOH in liter of solution. Preparation of 1...

A: Given :  Moles of NaOH = 12.1 gm  Also molar mass of NaOH = 40 gm/mole  

Q: Draw the extended potential energy diagram for the following reac- n: 16(g) + O2(g) → CO2(g) + H2O(g...

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Q: 20. Answer the question below. Use the rubric in the materials for help if needed. Find the percent ...

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Q: The two solutions are contained (no dilution) in a single beaker with a saturated calomel electrode ...

A: Given: Two solution are contained in a single beaker with a saturated calomel electrode and an inert...

Q: 1. KMNO4, H2O, heat 2. H* (workup) Drawing

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Q: Place a small amount of water (about 3 tablespoons) in a plate. Leave the plate near the window or i...

A: Matter has generally three states- solid,liquid and gas. State change of matter occurs with acceptan...

Q: Identify the reactant that gets oxidized in the following reaction. 2AI(s) + 6HCI(aq) → 2AICI3(aq) +...

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Q: Determination of AHf of NH4CI(s) & AH soln AHf of NH4CI(s) using your values of AH neut AHf of NH4CI...

A: Please note that dissolution is an endothermic process. So, ∆Hsol should be 8.68 kJ/mol ( a positive...

Q: A solution contains 0.049 M Ag and 0.017 M Pb, If you add CI", AgCl and PbCl, will begin to precipit...

A: Given, Ag+ concentration = 0.049 MPb2+ concentration = 0.017 MKsp AgCl =1.6×10-10Ksp PbCl2=1.59×10-5...

Q: essential oils from a plant, 7.5 mL of benzene (C6H6, 78.11 g/mol) was mixed with 25.00 mL of hexane...

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Q: B) Sample Problem: A chemist prepares a solution by dissolving .8 mole of NaOH in water to give a 50...

A: Answer of the question given below, 

Q: 17. This is used as intermediate to produce malleable cast iron. * O Grey cast iron White cast iron ...

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Q: Solve both parts otherwise I will downvote

A: What is the change in temperature when 3.00 grams of calcium chloride is dissolved in 100 mL of wate...

Q: Three colorless solutions in test tubes are in a test tube rack. You need to label the test tubees, ...

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Q: 1. Pinnatoxin A is a natural product isolated from marine 2. What reducing reagent should be used to...

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Q: following reaction is 1.29×10-2 at 600 K. COCl2(g) CO(g) + Cl2(g) Calculate the equilibrium concen...

A: Using ICE table   COCl2 CO Cl2 I 0.321 0 0 C -x +x +x E 0.321 - x x  x Kc =[CO][Cl2]/[CO...

Q: Question 5 Why do we need to monitor water temperature when dealing with enzymes? O to awaken the sl...

A: Few questions based on general chemistry that is to be accomplished.

Q: If treated with strong aqueous acid, what might happen to the molecule? Show the mechanism step by s...

A: In presence of strong acidic condition  ,ether linkage breaks and alcohol formed.

Q: A mixture of nitrogen and oxygen gas is compressed from a volume of 83.0 L to a volume of 31.0 L, wh...

A: P = 13.0 atm Vi = 83.0 L Vf = 31.0 L

Q: describe your observations for trends in solubility in the table below and explain why the trend exi...

A: Here we have to explain the solubility of aldehydes in homologous series in water. With increase of ...

Q: The number of colors in a ______color inventory is the same as the number of colors in the source. ...

A: Given The number of colors in a ______color inventory is the same as the number of colors in the sou...

Q: 1. A certain compound is accidentally synthesized by a chemist in a laboratory set-up. He discovers ...

A: Number of moles of any substance = mass of substance/molar mass of substance  Mol ratio for generati...

Q: If treated with strong aqueous acid, what might happen to the molecule? Show the mechanism step by s...

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Q: P8.3 It has been suggested that the surface melting of ice plays a role in enabling speed skaters to...

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Q: An aerosol can contains 400.0 ml of compressed gas at 5.2 atm pressure. When the gas is sprayed into...

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Q: Ethylene glycol, HOCH2 CH,OH, is used as antifreeze. It is produced from ethylene oxide, C2H4O, by t...

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Q: Using the image provided answer the following questions:   1. Is electroplating a spontaneous reac...

A: Electroplating is a process in which a metal is coated on the surface of a conductor using electrici...

Q: 0.500 M Ca(NO3)2 is added to 25.0mL of 0.250 M NaF at 25°C? (Ksp of CaF2 = 5.3 X 10^-9 at 25

A: Solubility equilibrium of CaF2 CaF2(s) <----> Ca2+(aq.) + 2F-(aq.) Condition for precipitation...

Q: . Calculate the annual cost of slaked lime and soda for treating 70,000 litres of water per day, if ...

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Q: 2. This steel is used in railway wheels and tracks, gears, and crankshafts. * O High carbon steel O ...

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Q: A dextrose solution contains 40.0 mEq/L Na+ and 15.0 mEq/L HPO42−, in addition to other ions.    (a)...

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Q: A 12.1 Moles NaOH solution means there are 12.1 moles of NaOH in liter of solution. Preparation of 1...

A: Relation mass and moles of a substance: mass of the substance = moles of substance × molar mass of s...

Q: 298.15 K using AH° for the dissociatic

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Q: A gas sample at a certain pressure and absolute temperature occupies a volume of 0.5 L. If the tempe...

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Q: Consider the dissolution of CaCl2 : CaCl2 (s) → Ca2+ (ag) + 2 C1-(ag) AH = -81.5 kJ An 11.7-g sample...

A: ΔH = -81.5 kJ of 1 mol CaCl2 Molar mass of CaCl2 = 110.98 g /mol Moles of CaCl2 present in solution...

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of sol...

A: Given, the compositions of the solutions: a. 25.0 g of KCl in 630 mL of solution b. 11.0 g of Na2CO3...

Q: (a). Determine w and AU for the conversion of 0.5 mole of water to steam at 100 °C at 1 atm pressure...

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Q: Ethanol, C2H6O, is most often blended with gasoline - usually as a 10 percent mix - to create a fuel...

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Q: Why is it easier to see all three pKa values in a tripolic acid but not all 3 equivalence points?

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Q: NBS

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Q: A precipitate of AgCl + AgBr weighs 0.8132 gram. On heating in a current of chlorine, the AgBr is co...

A: Atomic Mass of Br - 79.904 u Atomic Mass of Cl - 35.5 u Molar mass of AgCl - 143.32 g/mol Molar mass...

Q: 24. This is a type of covalent bond in carbon which has the greatest bond energy. A. Triple bond B. ...

A: 24. The bond strength of a covalent bond is measured by the bond energy. The bond energy is the amou...

Q: Explain the meaning of “the reaction goes to less than 100% completion”

A: In all the Reactions  the Reactants are not converted to products completely  .This Reactions always...