How much energy is evolved during the formation of 180g of Fe, according to the reaction below?  Fe2O3(s) + 2Al(s) -> Al2O3(s) + 2Fe(s)   H°rxn = -852 kJ

Q: 22) Given the following reactions 2NO-N2+02 2NO+022NO2 the enthalpy of the reaction of nitrogen with…

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Q: The compound Al4C3 decomposes when heated according to the equation below. Al4C3 (s) + 12 H₂O (1)→ 4…

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Q: From the activity list included in this problem, which element below would serve as a sacrificial…

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Q: 18) Which of the following reactions is not spontaneous? A. 2Ni (s) + H2SO4 (aq) → Ni2SO4 (aq) +…

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Q: охо CH₂CO3H ?

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Q: An important flavor component of vanilla extract is vanillin (C8H8O3, molar mass = 152.15 g/mol).…

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Q: 1. NaN3 DMSO Br Na CECH (two steps) you OH Br Br Br Br EtOH HO Тон SOCI₂ pyr 1. TsCl, pyr 2. NaSMe

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Q: A buffer solution contains 800 mL of 0.250 M HF and 800 mL 0.300 M NaF.  Calculate the pH of the…

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Q: Q1/ Which of these molecules best corresponds to the IR spectrum below, Explain? a) pentane-2-one b)…

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Q: QUESTION 5 Organic chemistry is the study of the chemistry of compounds of hydrogen. carbon. living…

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Q: Use the van der Waal's equation to calculate the pressure in a 2.00 L container holding 50.0 grams…

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Q: Name these compounds properly:

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Q: 2. Give the Major and minor products for the following two reactions. Br NaOH H20 D Br Bu-C 'Bu-OH,…

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Q: 4. Which molecule contains the most polar bonds? a. CF4 b. CO₂ c. CN- d. CH4

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Q: A certain reaction is first order in A. In 30 minutes, A decreases from 0.55 to 0.15 mol/L. The time…

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Q: Compound C (1.1 g, F.W. 100) reacted with compound D (3.0 g, F.W. 300) to yield compound A (2.4 g,…

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Q: linear trigonal planar tetrahedral trigonal bipyramidal octohedral bent trigonal pyramidal seesaw…

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Q: For each of the following pairs of substances, which substance has the greater value of Sº? a.…

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Q: An analytical chemist is titrating 123.0 mL of a 0.1500M solution of dimethylamine ((CH3)₂NH) with a…

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Q: An enzymatic reaction is run in 5.00 mL of 10.0 mM TRIS-HCl buffer at pH 7.82. If during the course…

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Q: Calculate the concentration of copper(II) chloride contaminant in the original groundwater sample.…

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Q: If the concentration of Sn2+ ions in a solution of Sn(OH)2 was measured to be (1.60x10^-3), what is…

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Q: Which of the following is the correct option for product B of the reaction below? Cl₂, H₂O NaH A. B.…

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Q: 2) 3) Br benzyl bromide Br benzyl bromide NaOEt in dry alcohol water in formic acid solution Y…

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Q: How does the organization of the periodic table help us identify possible substitutions

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Q: At 1 atm, how much energy is required to heat 75.0 g H2O(s) at −14.0 ∘C to H2O(g) at 123.0 ∘C? Use…

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Q: Explain Principles, Merits and Demerits of Chemical Ionization? . Please answer at your own easy…

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Q: A solution is prepared by dissolving 52 g sucrose (C12H22O11) in 565 mL of water. Determine the…

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Q: The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for…

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Q: Fe₂O3 + 2 Al - O iron O aluminum O oxygen Al₂O3 + 2 Fe Identify the element that gets reduced.…

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Q: When 0.783 g of benzoic acid, C7H6O2 (122.12 g/mol) is burned in a bomb calorimeter, the temperature…

A: Given , mass of benzoic acid = 0.783 g