With reference to enthalpy changes, the term standard conditions means (a) P = 1 atm (b) some common temperature, usually 298 K (c) concentration = 1 M O a only O bonly O a and b only O a and c only

Q: NaOH (aq) + HCI (aq) - NaCl (aq) + H20 (1) Volume of 1.00 M HCI (mL) 45.0 Volume of 1.00 M NAOH (mL)…

A: Volume of HCl in ml = 45.0 ml (Three significant figures) Volume of HCl in L = 0.0450 L (Three…

Q: (4) A 32 g of O2(g) is mixed with 12 g He(g), and 3 mole of CO(g) in closed container. If the total…

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Q: The system ice (s) + energy > water (l) is in equilbrium at 0 degrees Celsius in a closed container.…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: For the reaction, 3 X=Y, If 1.5 moles of Y and 10.5 moles of X are introduced into a 3.00 L flask at…

A: Kc is known as equilibrium constant and it is equal to the ratio of equilibrium concentration of…

Q: neutralization of 0.28M 18 mL sodium hydroxide with 0.5 mL nitric acid of 42% at the end of the…

A: The volume of nitric acid  = 0.5 mL The volume of NaOH = 18 mL = 0.018 L (since 1 ml=0.001L) The…

Q: (T-T=T2) noituloa to (TA) qmet ni egnaro 4. Complete the chemical equations for the reaction in Part…

A: Answer:In exothermic reaction heat gets released during the reaction and in endothermic reaction…

Q: Question: 200 cm' of 1.0 moldm NAOH was added to 300 cm' 1.0 moldm" HCI, the temperature of the…

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Q: (B) 80.1 when absorbs the same (تصبح الأكثر دافئا) gets the warmest (المواد) Which of the following…

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Q: What is the key equation used in calorimetry experiments?

A: Once the sample is completely combusted, the heat released in the reaction transfers to the water…

Q: Hess's law can be used to solve for reaction enthalpy changes because enthalpy is a function. 2 A)…

A: State function depends only on the initial and final state only while path function depends on the…

Q: The combustion of propane gas leads to formation of carbon dioxide and liquid water by the following…

A: The combined gas legislation incorporates various gas laws such as the Boyle’s law, Charles' law,…

Q: Consider the reaction below to answer the following questions. so, +0; e - SO, (e AG = -94,600+…

A: The reaction considered is, SO2(g)+12O2(g)→SO3(g)

Q: Consider a container with a frictionless piston that contains a given amount of an ideal gas. If the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: How many grams of C6H6 must decompose according to the chemical equation to transfer heat 430 J of…

A: The decomposition reaction is, 1 mole of reactant is decomposing and transfers 630Kj of heat or (63…

Q: Complete and balance ---Co2(CO3)3(s)+heat---> ---H2O(l)+---As2O5(s)---> ---NaClO3(s)+heat--->…

A: Introduction :- A chemical equation represents chemical reaction. A balanced chemical equation…

Q: (6) The pressure of the gas (mmHg) given by the following manometer is: (A) 793.0 (B) 751.2 (C)…

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Q: What will be the final temperature of an iron and water mix , after a 44.1 g bar of iron initially…

A: Let the final Temperature be T  The amount of Heat gained by water is given by Q1 = m1S1(T - T1)…

Q: FOS 2. 1. Eto OEt NaOET, HOEt Br 2. 3. H₂O+, heat oEt M Gi

A: The question is based on Organic reactions mechanism. we need to explain the mechanism for the…

Q: бод has an Two containers of water. I contains 30g of water (A) and I contains 50g of water(B).…

A: Ans. Let final temperature is Tf after mixing Since we know that, q = mcsΔT = mcs(Tf-Ti) q is heat…

Q: The following data set and reactions will be used in several questions about an unknown mixture of…

A: The sodium bicarbonate on heating it produces carbon dioxide, water and sodium carbonate,The…

Q: Using the equations H₂(g) + F₂ (g) → 2 HF (g) AH = -79.2 kJ/mol C(s) + 2 F₂ (g) → CF4 (g) AH° =…

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Q: Calculate the born electrostatic free energy of transferring a monovalent cation (q = +1 and r = 2.0…

A: The Born electrostatic free energy is a measure of the energy associated with transferring charged…

Q: Calculate AG for the reaction at 298 K.

A: T=289K ∆H°=-32.8kJ ∆S°=-84.5J/K ∆G°=?

Q: What is the heat, q, when 25.0 g of acetonitrile, CH3CN, reacts completely with an excess of water?…

A: Using molar mass of CH3CN and from given data we can find heat (q).

Q: In a calorimeter, 100.0 g of water, initially at 21.8 *C, is mixed with 0.300 moles of LiOH. After…

A: Given:Mass of water=100 gMoles of LiOH=0.300 molesInitial temperature=21.8oCFinal temperature=38.7oC

Q: Calculate moles of NaC2H3O2 3H20 (s), then use greaction to calculate AH,reaction for sodium acetat…

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Q: Be sure to answer all parts. Silver bromide is used to coat ordinary black-and-white photographic…

A: Given : Volume of AgNO3 = 75.2 ml  Mass of AgNO3 = 5.00 g/L Volume of NaI = 75.2 ml  Mass of NaI =…

Q: the tocal heat energD required or produced when a salt n.soop disolves in water s pven by agtotal…

A: The heat of the solution of 0.500 g of salt is = 1000.01 J The molar mass of the salt is = 24.305…

Q: please help me

A: Temperature (T) = 553 K

Q: 1.77 An Olympic-size pool is 50.0 m long and 25.0 m wide. (a) How many gallons of water (d = 1.0…

A: Q.(77) Answer: 1 gallon = 3.785 litre 1 ft = 30.48 cm Given, length of the pull = 50 m = 50 x 100 cm…

Q: A. 6. 104 g of H,0 (c= 4.184 J/g.K) is heated from 283 K to 308 K 1) Change in temperature (AT) = •…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: (5) Consider the reaction: 2H2(g) + O2(g) → 2H₂O(1) The heat produced (KJ) to produce 1.0 mole of…

A: Mole is a standard unit for measuring large quantities of very small entities such as molecules,…

Q: STARTING AMOUNT X What is the change in enthalpy in joules when 5.44 x 104 mol of AgCl solid…

A: Moles of AgCl = 5.44 x10 —4 mol

Q: Constants I Periodic Table At 1000. K, AHŞ = -123.77 kJ - mol- for the reaction N2(g) + 3H2(g) →…

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Q: what was the initial temperature of 120g water if increased to 17 degrees Celsius when 16 g LiI was…

A: Enthalpy of solution -  The enthalpy of the solution is the amount of energy required for the…

Q: The following data set will be used in several questions about an unknown mixture of sodium…

A: Mass of porcelain dish = 47.320 gMass of mixture = 0.9460 gMass of (dish + mixture) = 47.320 g +…

Q: (1) The molar mass of a gas (g/mol) that has a density of 0.42 g/L at 37 °C and 0.2 atm is: (A) 44.0…

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Q: 6. Find the amount of heat given off from combustion of 330 g of CH₂OH, according to the equation…

A: Given, Note: the equation is not balanced: CH3OH(l) + 3O2(g) ---> 2CO2(g) + 4H2O(l)  Balancing…

Q: ) If pKw = 6.92 then

A: The ionic product of water (Kw ) is  defined as  Kw = [H3O+][OH-] Then, pKw = -log Kw

Q: AH for an endothermic process is process is 4 A) positive, zero B) negative, positive C) positive,…

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: A 19.0 g sample of iron, which has a specific heat capacity of 0.449 J-g -1.0C-1, is dropped into an…

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Q: The heat of solution of potassium acetate in water is -15.3 kJ/mol KCH3COO. What will be the final…

A: The heat of a solution can be expressed by the following formula Q=mC∆TQ=heatm=massC=heat…

Q: Consider the reaction below to answer the following questions. SO, ( +0; ( - S0, (2) 2 (g) AG…

A: Total system pressure is the summation of the pressure of all the species present at that time in…

Q: ADVANCED STUDY ASSIGNMENT 1. 0.500 g of Ca is added to 50.0 mL of 1.0 M HCI. Once reaction is…

A: Since you have asked multiple question,we will solve the first question for you.If you want any…