What is the change in entropy when one mole of calcite (CaCO3) decomposes at 298.2 K to CaO(s) and CO2(g)?

Q: 16.) A 45.0 g silver spoon was submerge to a 200 g of coffee drink in a 432 g ceramic mug. If the…

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Q: 2. a platinum electrode immersed in a solution that is 0.0400 M in Fe2SO4 and 0.00915 M in Fe2(SO4)3…

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Q: Rate data have been determined at a particular temperature for the overall reaction 2NO + 2H2 → N2 +…

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Q: ) Listen Which polymer is terminated by cooling and neutralizing? OPolyethylene Polypropylene…

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Q: Total partial pressure is 101.0 bar. How do I solve for the ICE table? Please help me. Thank you!

A: In ice table write concentration of each species.  Below is the example-

Q: Natron is the name of a mixture of salts used by the Egyptians to dehydrate corpses before…

A: Dear student as you have asked multiple questions but according to guidelines we will solve first…

Q: Show how the compound can be synthesized using acetylene and butyl bromide as starting materials.…

A: Here we are required to synthesize given compound from butyl bromide and acetylene

Q: Given the following compounds, put them in order from least to most acidic (based from most the…

A: To put the given compounds in order from least to most acidic:

Q: Consider these two reactions: Reaction 1: 20F2(g) O2(g) + 2 F2(g) ΔΗ-49.4 k Reaction 2: N2(8) +…

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A: Answer-b constitutional isomers are the compounds those have same molecular formula but different…

Q: Oxidation involves

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Q: The equilibrium concentrations for the reaction between carbon monoxide and molecular chlorine to…

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Q: A buffer with pH = 8.96 must be created. 8.90 g of the acid component of the best buffer system will…

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Q: 3. Zn(s) + Pb(NO,),(aq) → Circle one: VOLTAIC / ELECTROLYTIC Substance oxidized: Substance reduced:

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Q: Which of the following is an alkene? C7H28 C3H4 CSH12

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Q: Most environmental colloids have a negatively charged surface at pH 7 due to their lower pHo values.…

A: C

Q: what formula will I have to use? HCI (aq) + NaOH (aq) → NaCl (aq) + H2O (1) AH = -57.5kJ What is the…

A: Given that, The initial temperature is T1 = 20°C = (273.15+20) K = 293.15 K. The volume of the…

Q: Propose the systematic name for the following alcohols and determine either it's a primary,…

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: Critique the contribution Heisenberg, Schrodinger, Born and Oppenheimer made to modern spectroscopy?

A: In Chemistry, spectroscopy commonly is used to study the structures of atoms and molecules.

Q: What would the effect of increasing sample pressure (while maintaining a fixed cell length) have on…

A: The Fourier transform infrared spectroscopy, commonly known as FTIR, is a spectroscopic technique in…

Q: 7) Cr + MnO2 (a) → Cl2 (2) + Mn2* 8) S,0,2- + TI* → 2S0,- + TI*

A: Balancing Redox Equations--

Q: Give the balanced chemical equation for the reaction Draw the full structure co(salen) N- OMSO -DASO

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Q: QUESTION 21 Consider the solubility of BaSO 4. If Ba(NO 3) 2 is added to the solution, the…

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Q: and 0.723 atm. If 0.140 mol of a third gas is added with no change in volume or temperature, what…

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Q: 3. A compound is found to contain 63.52 % iron and 36.48% sulfur. Find its empirical formula.

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Q: Which products complete the neutralization reaction shown below? HBr + KOH → А Н,О+ КВr НКОН + Br…

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Q: Refer to Compound X1 as shown below: но он HO 3 HO, HO

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Q: Use the References to access important values if needed for this question. What is the calculated…

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Q: 3. How much heat is needed to melt 15 g of iron?

A: Given that -  Mass of iron = 15 g  The heat of fusion of iron = 11.7 kJ/mol   And , atomic mass of…

Q: 1. Propose the systematic name for the following alcohols and determine either it's a primary,…

A: Primary alchol - when 1alkyl group is present on the same carbon at which alchol group is present.…

Q: 37. Find the number of millimoles of solute in 3.0 L of 3.76 x 10-3 M KMN04. * a. 11.28 millimoles…

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Q: Consider the following equilibrium: 2H2(g) + X2(g) =2H2X(g) + energy Increasing the temperature will…

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Q: Zn(s) + 2HCI(aq) ZNC12(aq) + H2(g) + 153kJ For this reaction at 25°C, · Change in enthalpy: [ Select…

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Q: r. CHCI, CI ČI КОН S. Br КОН heat t. HBr (gas) Br ether, 0°C u. CI 1. 2.

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Q: Question Find ) of Classify the following polymers based on their backbone? Write the monomeric…

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Q: Formation of acetylide from alkynes intermediate of oxidative cleavage radical halogenation of…

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Q: 2. How much heat is needed to change the temperature of 4kg Iron from 15 °C to 28°C?

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Q: A 100-mL reaction vessel initially contains 2.60 x 10-2 moles of NO and 1.30 x 10-2 moles of H2. At…

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Q: b) Use curved arrow formalism to draw the mechanism of the reaction shown in a). product(s) Brz…

A: ->First of all alkene reacts with Br2 and cyclobromonium ion is formed because there is present…

Q: Identify (circle) the oxidizing agent in each of the following redox reactions: PbO, + Pb + 2 HSO, +…

A: ->Oxidizing agent is the reagent which can oxidize the other specie and reduce itself.

Q: A gaseous compound has a density of 1.40 g/L at 21.8 °C and 1.34 atm. What is the molar mass of the…

A: Given:: Density d= 1.40 g L-1  T=21.8℃ = (21.8+273)K = 294.8 K P= 1.34 atm  Molar mass of compound =…

Q: electrodes. A.) Which should be the anode and which is the cathode? Explain. B. Write the…

A: A) in voltaic cell , Oxidation takes place at anode and reduction takes place at cathode.  Anode =…

Q: Write the set of 4 quantum numbers that would be used to describe the last two electrons that would…

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Q: You want to prepare a buffer solution with pH equal to 3. How many grams of NaF (41.99 g/mol) should…

A: pH of a buffer solution is equals to 3. Volume of HF = 250 mLConcentration of HF = 0.350 MWe have to…

Q: Solve for the pH of a 0.22 M AlCl3 (aq) solution. Ka of Al3+ is 1.2 × 10–5.

A: When we make aqueous solution of AlCl3 this undergo cationic hydrolysis and form hydrated aluminum…

Q: Please write a balanced reaction between benzhydrol (diphenylmethanol) and NaHCO3.

A: Here we are required to write the balanced reaction between benzhydrol and sodium bicarbonate

Q: Calculate the theor of the KNO 2NH3 > 3H2 + N2 If 20.5 g of ammonia react, how many grams of…

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Q: acidic dissociation of methyl ammonium hydrochloride,

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Q: Calculate the boiling point of a solution containing 12g glucose C6H1206 dissolved in 200g of water…

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Q: Explain the chemical properties of acidic solutions and alkaline solutions taking into consideration…

A: Acids are sour in taste. Acids react with carbonates and hydrogen carbonates to form a salt, water,…