What is the mass of a piece of iron that releases 396.40 joules of heat as it cools from 64.28 degrees Celsius to 32.25 degrees Celsius? The specific heat of iron is 0.450 J/gC; please answer to two digits after the decimal point.

Q: 16. Identify the correct expression for Kc for the reaction: H2 (g) + I2 (g) = 2 HI (g) A) K.…

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Q: 3.1 6 Give the reaction mechanism (showing curly arrows) for the bromination of methane in the…

A: The three step mechanism is shown in the following step.

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Q: A. Ketones 0.3 3. Which cannot exist as a pair of cis-trans isomers? A. 2-octene B. 2-butene C.…

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Q: CaCO3(s) + 2HCl(aq) --> CO2 (g) + H2O (l) + CaCl2 (aq) What is the molarity of a HCl solution if…

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Q: Which of the following choices represents th HO H- HO -OH OH OH он OH OH ÕH II II II OIV

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Q: In order to determine the identity of a metal, its specific heat is found.  When 28 g of the metal…

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Q: 45. If a chemical reaction has a positive change in entropy, AS, then: A) the reaction is…

A: As it is a multiple question and no specific question is asked to answer so i am solving first…

Q: Balance the following equation (if necessary): (NH4)3PO4 (aq) + MgCl2(aq) --> Mg3(PO4)2(s) + NH4Cl…

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Q: 40. You mix 50.0 mL of 0.10 M HCl with 40.0 mL of 0.10 M NaOH. What do you know about the final…

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Q: Chemistry what are the products A,B & C, please show corresponding mechanisms xsH2O CH2=CH-SIMECI2 A…

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Q: -cuttim-which cation is a weakacd2 Na Mm4+ giveanewer. with explanation Than k your

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Q: Q2 :- how many milliliters of ethanol that dissolved in 400 ml of solution by present 35% ?

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Q: T Write out the mechanism for the following reaction. Show all steps and use 1. curved arrows. H20 +…

A: Given,

Q: synthesis of the molecule

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Q: 42. Cadmium sulfide, CdS, is an insoluble substance with a Ksp of 1.0 X 10º. It dissociates in water…

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A: Given that -  Mass of ammonium chloride , NH4Cl = 13.4 g  Volume of water = 500 mL  Temperature =…

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Q: (iv) Given that the partition function for a monoatomic, ideal gas is given by: 9r = where A = (…

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Q: Which of the following is the correct description for what will happen if we combine aqueous…

A: Precipitation reaction: a chemical reaction occurring in an aqueous solution where two ionic bonds…

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Q: 39) Complete the multi-step synthesis by showing the product structure of each step. (18 pts) CH…

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Q: The reaction shown below has an equilibrium constant value of Kc=0.580 at a certain temperature. H₂…

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Q: A digital watch battery draws 0.20 milliamperes of current, which is provided by a mercury battery…

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Q: 1. NaOMe, а. CH3 TsO OTs H3C 2. КОН 3. Hзо", д 1. LDA 2. NBS b. H3C, *CH3 ČH3 с. H*, Br2 H3C, CH3…

A: Here we have write the major product formed in the following reactions.

Q: A 0.4755-g sample containing (NH,),C,O, and inert materials was dissolved in water and 3. strongly…

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Q: Br + Br2 Br Colorless Red Br, Br 2B12 Br Br Red Colorless

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Q: The thermochemical equation for photosynthesis is shown below: 6 H20) + 6 CO26) - C6H1206(s) + 6…

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Q: In the identification of propan-1-ol, propan-2-ol and 2-methylpropan-2-ol, these alcohols are mixed…

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Q: 12 & 1.4-addition products from ether cleav Br HBr 2 HI Br Cl,2) (c) (d) OH (1) Na H2SO4 (2) C2H5-Br…

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Q: Consider the reaction scheme below. Br2 FeBr3 AICI3 NaOH Y warm What are the structures of X, Y, and…

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Q: Consider the following reaction mechanism for the addition of HCl to propene in the gas hase. The…

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Q: priya bought a solid chocolate bar and left it in her pocket.  Whe she took it out the chocolate was…

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Q: 2N2OH + H2S04 2H2O + Na2SO4 -> AH = -112 kJ %3D What is the heat change for the reaction when the…

A: Given: ∆H = -112 kJ

Q: 36. Solution A has a pH of 2 and Solution B has a pH of 4. What is true about solutions A and B? A)…

A: pH measures the acidic and basic strength of the solution.  pH = -log [H+]

Q: 5. A saturated hydrocarbon is represented by a structural formula in which each C atom has degree 4…

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Q: 14. You set out to study the reaction 2AB (g) = A2 (g) + B2 (g). You place 0.30 moles of AB into an…

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Q: A sample of gas at 1.08 atm and 25°C has a SO2 concentration of 1.55 μg/m3 and is in equilibrium…

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Q: Balance the following skeleton reaction, calculate E cell and state whether the reaction is…

A: Given, the unbalanced reaction: Mn2+(aq) + Co3+ (aq) → MnO2(s) + Co2+(aq) We have to balance this…

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