question12: Calculate AH for the following: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H20 (1) AH = ?? %3D Given ... EQN A: 2 NH3 (g) → N2 (g) + 3 H2 (g) AH = +100 kJ EQN B: 2 NO (g) → N2 (g) + O2 (g) AH = -200 kJ EQN C: 2 H20 (1) → 2 H2 (g) + O2 (g) AH = +600 kJ %3D

Q: C3H7OH ), known as rubbing alcohol, is ________ amu (rounded to one decimal place). Group of answer…

A: Molar mass of the compound can be calculated by multiplying atomic mass of each atom in the molecule…

Q: which of the following froactions is equivalent to 55%   13/25,  11/20/,  9/20,  12/25

A: Given,  13/25,  11/20,  9/20,   12/25

Q: A Moving to the next question prevents changes to this answer. Question 1 The combustion of ammonia…

A: 4NH3(g) + 7O2(g) .....> 4NO2(g) + 6H2O(g)  Molar mass of ammonia =  Molar mass of (N + 3(H)) =…

Q: Which of the following represents a chemical property of methanol?    Select one: a. It evaporates…

A: Chemical property of a compound describes it's chemical composition .

Q: Limiting reactants ƏUPIRN Liquid octane (CH, (CH,) CH, will react with gaseous oxygen (0,) to…

A: The chemical equation is written below. 2C8H18 + 25O2 →16CO2 + 18H2O The molar mass of octane is…

Q: 1. When 89.5 Joules of heat are added to a 15.7 gram sample of graphite, its temperature rises from…

A: According to guidelines we are asked to solve only the first question. Please post other questions…

Q: 4HCI + 02-2Clz+ 2H20 AH - ? H2 + Cl2-2HCI AH = -184.9 KJ 2H2 + 02-2H,0 Дн - - 483.7 к)

A:

Q: QUESTION 19 When [S] = KM. vo = (Vmax). A. 0.5 x [S] В. Км OC. 0.75 x [S] D. 0.5 O E. kcat/KM

A: D) 0.5 Michaelis Menton equation for Enzyme kinetic is written as ;     V0   = (Vmax[S])/(Km + [S])…

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Q: Part A Find A:U for the combustion of ethanol (C,H:OH) to carbon dioxide and liquid water from the…

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Q: One of the following formulae is not true a. pka=-log Kw/Kb O b. pH=pKa - log B/A C. none of them

A: We have to tell which option is correct from given choices of options by finding incorrect formula.

Q: QUESTION 2 Consider the following data concerning the equation: H202+ 31+ 2H*- 13+2H20 [H2021 [H*)…

A: In this type of order determining method, rate is compared in two steps keeping all otger reactants…

Q: 4NH3 + 50₂ → 4NO + 6H₂0 Given: 2NH3 → N₂ + 3H₂ AH = +92 kJ 2H₂O → 2H₂ + O₂ AH = +572 kJ N₂0₂ + 2NO…

A: In the given problem, the ∆H is calculated for the following reaction- 4NH3    +    5O2    →    4NO…

Q: hp of methanol and 1-propanol are 1.331 and 1.387 respectively. Calculate the mole percentage of…

A: The mole percentage of a compound can be determined by the following relationship between refractive…

Q: OH acid heat 3,3-dimethyl-2-butanol CeH12 F.W. = 84.2 CgH12 F.W. = 84.2 CeH12 C6H140 F.W. = 84.2 bp…

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Q: Please help me.. *A 5.0 g coal sample is given for analysis. After subjecting it to hot air oven at…

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Q: What is the molecular weight of nitrous oxide (N₂O)? Provide an answer to two decimal places.

A: we can find out the molecular weight of nitrous oxide by adding the mass of individual terms

Q: 3. → 2 N2 + 6 H20 AH = -1531 kJ AH = -367.4 kJ AH = -286 kJ 2. Given : 4 NH3 + 3 O2 N20 + H2 → N2 +…

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Q: How many equivalents are in 2.0 g of SO4 2-?   0.042 Eq SO4 2- 0.021 Eq SO4 2- 2.0 Eq SO4 2-…

A: The given mass of SO4-2 = 2.0 g The equivalent of SO4-2 is calculated as,                   Eq = Mn…

Q: Q2: Prepare 100ml of 0.1N Hydrochloric acid (HCL)? Density: 1.2 g / ml,%: 36%, M.wt: 36.5g / mol,…

A: Take 0.365g of HCl and add 100ml of water into it. It is a solution of 0.1N.

Q: #78-#8 A mixture of 2.0mol H₂, 1.0mol N2, and 2.5mol NH3 is placed in a 1.0L container at 472°C.…

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Q: When using the LWQ method, a pharmacist needs to obtain 60 mg of a drug using a balance that has a…

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Q: Question 45 A chemist obtained the following data for the percent compound Z in triplicates (n=3) of…

A:

Q: QUESTION 2 2. Calculate Go rxn 2 H₂(g) + O2(g) -> 2 H₂O(g) AH, (kJ) ΔΗ • -241.8 So (J/K) 130.6 205.0…

A: Given reaction: 2 H2(g) + O2(g) → 2 H2O(g) We have to calculate the value of ∆G∘rxn for this…

Q: How many grams of C,H must decompose according to the following chemical equation to transfer 430 kJ…

A: ∆H is vrat of reaction .it is release when 1 mole of compound is burn in presennce of O2   1 mole…

Q: How can you prepare 500 ml of 0.1M HCI, if the percentage is 35%, and density = 1.18g/ml,…

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Q: 2NH3 (g) + 02(9) → N2H4(1) + H20(1) given the following data: 2NH3 (g) + 3N20(g) → 4N2(9) + 3H2O(1)…

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Q: Equation given:  AuBr(s) + 2 CN– (aq) ⇄ [Au(CN)2]– (aq) + Br– (aq)       Keq = 2.02 x 1033  Ksp for…

A: Given-> AuBr(s) + 2CN-(aq) <------> [Au(CN)2]-(aq) + Br-(aq) Keq = 2.02 × 1033 Ksp(AuBr) =…

Q: 4AI203 + 3CH4→ 8AI + 3CO2 + 6H20 AH° rxn kJ exo ? endo thermic AH° = -1676 -75 -394 -242 kJ/mol…

A:

Q: L.2 NaOH added ml 0.5 1 1.5 2 2.5 3 3.5 4 4.2 4.4 4.6 4.8 5 1.2 pH 3.9 4.1 4.2 4.3 4.6 5.1 5.3 6.2…

A:

Q: 35. Given 10g of MgC12 and 16g of AGNO3 and an actual yield of 1.099g of AgCI. How much excess…

A:

Q: find [CN− ] if  E = −0.320 V.   −0.237 = c − 0.05916 log(1.22 mM) −0.320 = c − 0.05916 log(y)

A: The first equation is – -0. 237 = c - 0.05916 log 1.22mM-0. 237 = c - 0.05916 log 1.22×10-3M....(1)

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Q: pb (cH3co0)2 +k2 croqpbcro4 +2CH3 cook 2,5g chrome yellow Question: calculate the efficiency? Factor…

A: Limiting factor or limiting rea=g -             A limiting factor, also known as a limiting reactant…

Q: ml. meles CUSO. meles NH. ml. meles cone conc 0.1 M CuSO. 2.5M Cu(NH) Ce(NH) NH. formed 0.0001…

A: First we need to write a balanced chemical reaction for formation of Cu(NH3)42+ . The using ICE…

Q: 2. Goal: 2N2 + 502 --- 2N2O5 Given: a. H2 + 02 b. N205 + H2 H2O AH = - 285. 8 KJ --- 2HNO3 AH =…

A: Balance chemical equation: 2 N2   + 5 O2    →  2 N2O5  ∆Hrxn = 2×-348.2 - 2×-76.6 -2×-285.8…

Q: For the following table fill in the missing values and calculate the theoretical yield.…

A: According to the given data and the chemical equation, B is the limiting reagent in the reaction. It…

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Q: Ingliest mg po H. 3. H-C-O-C-H .. a. H. H H H-C-C-ÖH b. H H…

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Q: purse Home n/course.html?courseld%3D15769386&HepID3D169f9f4bdc9f2df8dc5b7368af32865e#10001 e Home…

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Q: (h) AH° = -1137 kl; AS° = 0.496 kJ/K

A: The delta G is the energy required by a chemical reaction to carry out the process. It is defined as…

Q: sed to 10.0 L,

A: Dear student I have given answer to your question in the image format.

Q: QUESTION 3 150 cm³ of a 0,500 mol dm-3 HCI and 150 cm³ of 0,500 mol dm³ NaOH were mixed. The…

A: Both HCl and HA are monoprotic acids. NaOH is a monoacidic base.  Required conversion factors: 1 cm3…

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Q: QUESTION 34 An unknown liquid weighing 128 g requires 2750 cal of heat to raise its temperature from…

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Q: help! i have no idea

A: The question is asking to calculate the enthalpy of the reaction by using given three reactions,…

Q: Consider the following information. 2 H2S(g) +3 O2(g) → 2 SO2(g) + 2 H₂O(g) H2S(g) 02(g) 205.2…

A:

Q: %Lysis СОMP 250 COMP 100 СOMP 20 n=1 87.77 81.73 65.8 n=2 81.71 50.45 63.7 n=3 86.64 55.38 59.4 n=4…

A: The solution of the question is given below:

Q: 2 NOCI(g) → 2 NO(g) +C12(g) AH° =+75.56 kJ 2 NO(g) + 02(g) → 2 NO2(g) AH° =-113.05 kJ 2 NO2(g) →…

A: