New August 3, 2021. Sampling is a second step analytical methodology, it means Select one: O a. Collecting a lot of samples of substance by any method. O b. Three of these c. Defining replicates samples

Q: (а) H,O, H,SO̟ (b) Br, (1) ВН, THF (2) NaOH, H,O, (d) Brz, (1) O, (2) Ме,S

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A: This is statement is False.      It depends on the end use of butter . If butter is purchased by a…

Q: (+) H3O b) H2O

A:

Q: T=? O PVINR O PnVIR O PINR O VInR

A:

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A: The commonly used units of some quantities are discussed in this question based on their fundamental…

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A:

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A: When the average energy of product species is less than average energy of reactant species, energy…

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A: given, temperature = 38.6 degree Celcius Gibbs free energy = +13 kJ/mol

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Q: Which of the following is true about the reaction? CH4 (s) + 202 (g) CO₂ (g) + 2H₂O + 393 kJ a) 393…

A: Given reaction is,     CH4 + 2 O2 = CO2 + 2H2O +393 KJ

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A: Amount of heat gained by ice of 123.5g to raise the temperature from :    -15°C to 0°C = 123.5 × 15…

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A: Here we are asked to choose about an isolated system from the given option.

Q: Write a balanced chemical reaction for the incomplete combustion of propane, C3H8

A: complete combustion  complete combustion of hydrocarbons take place in presence of enough supply of…

Q: What is an expected product of the following reaction? HBr ?

A: Given reaction is reaction of alkene with hydrobromic acid.This reaction is known as…

Q: 0211120 Ch-13 Homework - General Chemistry II W 1120 Ch-12 Hon Write a balanced chemical equation…

A: A balanced chemical reaction equation is an equation in which the number of atoms for each element…

Q: Incomplete combustion: _CH4(g) + _O2(g) —> _C(s) + _H2O(g).

A: Given- Incomplete combustion reaction _CH4(g) + _O2(g) —> _C(s) + _H2O(g). Consider the…

Q: Complete combustion of 5.50 g of a hydrocarbon produced 17.7 g of CO, and 6.03 g of H, O. What is…

A: Given  Mass of hydrocarbon = 5.50 gram  Mass of CO2  = 17.7 gram  Mass of H2O  = 6.03 gram…

Q: Calculate the enthalpy change for the reaction below. Compound Heat Value (3) ONE -->3NO(g) + ,0;lg)…

A: The given reactions are as follows: 3NO2(g) → 3NO(g) + 32O2(g)            ∆H1=174 kJ…

Q: what mass of propane musth be burned to provide 1.3x10 exp 8 J? given is 44.09g / -2221 kJ

A: When one mole of a substance is burnt completely under standard conditions, the corresponding…

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A: Heat stability is the property of a molecule to retain it's structure intact in high temperature.

Q: 11.The specific heat of wood is 2.03 J/g-°C. How much heat is needed to convert 550 g of wood at…

A: The answer is given as follows

Q: Consider the balanced reaction 4 A + 6 B -> 9C + 3D If 8.753 moles of A (MW=24.8) are consumed, how…

A: From the given reaction,                  4A + 6B ----> 9C + 3D  It is clear that after…

Q: CH,(g) + 2 0,(g) AH rxn = -809.0 kJ/mol co,(g) + 2 H,O(g) AH = -81.3 kJ cond 2 H,O(/) Given the…

A: Combustion is the process of reaction of a hydrocarbon in presence of oxygen to form carbon dioxide…

Q: 3 Draw labelled energy level diagrams for the following reactions: a S(s) + O₂(g) → SO₂(g) AH-297 kJ…

A: The amount of energy released or absorbed when one unit of reactants are changed into products.

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Q: to HBr warm NC CN heat

A:

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Q: 3 A +2 BZ? 6C A = 156.3 g/mol B =862 91mol C = 381.2 gimo) AH= -695.7 kcal /mol %3D molar mass *…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Review I Constants I Period Consider the thermodynamic data below: Compound AH (kJ/mol) CHa…

A: combustion of propane from energy that covert ice at - 19°C to water at 75.0°C

Q: Student A measured the heat capacity of an insulated calorimeter and reported a value of -247.7…

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A: Given Decomposition of CD3

Q: For a particular isomer of C,H,8, the combustion reaction produces 5108.7 kJ of heat per mole of…

A: Given: Enthalpy of reaction = -5108.7 kJ/mol Standard enthalpy of O2(g) = 0 kJ/mol Standard enthalpy…

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Q: Br B с D E H3O* CH₂OH CH3OH heat (CH3)3COK heat O Done

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Q: The following reaction is correct as shown. H O O True O False O NaOEt, EtOH, heat

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Q: СНО CO2H CO2ET

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Q: Is 10b more than one product? Not sure the way it is written.

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Q: How HgSO4 is used ?

A: Given compound: HgSO4

Q: Calculate AH for the reaction C2 H4 (g) + H2 (g) → C2H6 (g). from the following data. C2H4 (g) + 3…

A:

Q: 4C(s) + 4H2(g) + O2(g) → CH3CH2OCOCH3(l)  ΔH°=-480.0 kJ CH3CH2OH(l) + O2(g) → CH3COOH(l) + H2O(l)…

A: This question belong to thermochemistry. In this reaction the standard enthalpy of the following…

Q: Write the Kc expression for the following reaction: SF4 (g) + 2 C20 (g) = 4 CIF (g) + SO2 (g) Kc =

A: Given reaction:

Q: 21. The following statements concern the affect of concentration, pressure, temperature, and other…

A: The equation is 2SO2 + O2⇔2SO3 As the number of components is more in the reactant side, the…

Q: a. b. с. н T Н H Н N: Н " Н н н T н Н Н Н Н н Н Н Н Br H Н H

A:

Q: A chemical reaction takes place under constant pressure during which the surroundings are observed…

A: According to the first law of thermodynamics:Here, = the change in energyq = amount of heatw =…