When 2.0 g NaOH were dissolved in 53.0 g water in a calorimeter at 24.0 °C, the temperature of the solution went up to 33.7 °C.     Is this solution reaction exothermic? ______ Why?     Calculate q_(H_2 O), using Eq. 1. ___________ joules     Find ∆H for the reaction occurred in the calorimeter (Eq. 5). ∆H = ___________ joules     Find ∆H for the solution of 1.00 g NaOH in water ∆H = ___________ joules/g     Find ∆H for the solution of one mole NaOH in water.  ∆H = ___________ joules/mole

Q: In a constant‑pressure calorimeter, 65.0 mL of 0.350 M Ba(OH)2 was added to 65.0 mL of 0.700 M HCl.…

A: Given:65.0 mL of 0.350 M Ba(OH)265.0 mL of 0.700 M HCl.Ba(OH)2 + 2 HCl → BaCl2 + 2 H2O

Q: From data found in appendix G, calculate the enthalpy of the following reaction: PH3(g) + 3 Cl2(g)…

A: Enthalpy is thermodynamics property which measure the energy of the reaction.  Here we are required…

Q: When one mole of calcium carbonate reacts with ammonia, solid calcium cyanamide, CaCN2, and liquid…

A: To solve this problem first we have to write the balanced chemical equation then we will calculate…

Q: Why do elements always have ΔH∘f=0? a) The standard state of elements is the reference point for…

A: •Given:- Here is question is asking that why ∆H°f always zero for elements.

Q: Calculate ΔH of a piece of metal with a specific heat of 0.98 J /g°C and a mass of 460g which is…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Use reactions A and C to determine the change in enthalpy (kJ) for reaction B.  Do not type units…

A: Calculate ∆H° for the given reaction --- N2(g) + O2(g) -----> 2NO(g)

Q: The combustion of 1 mol of glucose, C6H12O6 liberates 2.82 x 103 kJ of heat. If 1.25 g of glucose is…

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Q: Use Hess’s Law to calculate the enthalpy of reaction from the following thermochemical equations:…

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Q: In a constant‑pressure calorimeter, 50.0 mL of 0.310 M Ba(OH)2 was added to 50.0 mL of 0.620 M HCl.…

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Q: 1. Consider the combination of a proton and hydroxide ion to make water (or the reverse, the…

A: The reaction given is,

Q: A sample of NaOH (MM = 40.00 g/mol) with a mass of 1.812 g was added to a solution of HNO3 in a…

A: Heat absorbed = heat emitted

Q: When a 3.91 g sample of solid sodium hydroxide was dissolved in a calorimeter in 110.0 g  of water,…

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Q: Calry would like to determine the enthalpy of reaction between HNO3 and NaOH using a coffee-cup…

A: Given: Before calibration: Concentration for HCl = 0.900 M Volume of HCl = 5.00 mL Concentration for…

Q: Identify whether the following processes are endothermic or exothermic. Justify your answer. Solid…

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Q: aq) with 25.00 mL of 2.56 M HCl(aq). If the temperature changed from 25.0 Degree C to 38.4 degree C,…

A: Introduction Generally the heat released in the reaction is absorbed by the solution and raises the…

Q: using the standard molar enthalpies of formation here below. Give the answer in kJ/mol-rxn (write…

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Q: Part A) Use standard enthalpies of formation to calculate the standard change in enthalpy for the…

A: The standard enthalpy of formation is the enthalpy of formation measured under the standard…

Q: Use reactions A and C to determine the change in enthalpy (kJ) for reaction B.  Do not type units…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HCl in a calorimeter.…

A:

Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab,…

A: Calculate enthalpy change of the reaction

Q: Calculate ΔH (in kJ/mol) for the reaction described by the equation. 4 NH3(g) + 7 O2(g) → 4 NO2(g) +…

A: The given reaction is: 4 NH3(g) + 7 O2(g) → 4 NO2(g) + 6 H2O(l)

Q: From data found in appendix G, calculate the enthalpy of the following reaction: 2 PbO(s, yellow) +…

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Q: 19.) Which of the following exothermic reactions has a magnitude of the enthalpy of reaction lower…

A: We know that -> ∆H = ∆U + ∆ngRT ∆H = enthalpy of reaction ∆U = internal energy  ∆ng = ng(product)…

Q: Q1: If 100 ml of HCI of its concentration (0.5 M) was placed with 100 ml of NaOH, its concentration…

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Q: Assume 1) that no heat is lost to the calorimeter or the surroundings, and 2) that the density and…

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Q: Determine the enthalpy of reaction for HCl(g) + NaNO₂(s) → HNO₂(l) + NaCl(s) 2NaCl(s) + H₂O(l) →…

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Q: 1)What is the specific heat if 24.8 g of a metal absorbs 275 J of energy and the temperature rises…

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Q: standard enthalpy change

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Q: Calculate the quantity of energy transferred (q), in kJ, by the combustion of 177 mL of acetone…

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Q: Calculate the change in internal energy (ΔU) for a system that is giving off 25.0 kJ of heat and is…

A: The first law of thermodynamics states that the change in internal energy of a system equals the net…

Q: 4. H₂SO4 reacts with NaOH to form water and Na₂SO4. In a simple calorimeter, a 100.00 mL sample of…

A: Given,Molarity of H2SO4 = 0.355 mol/LVolume of H2SO4 = 100.00 mLVolume of NaOH = 50.00 mLThe rise…

Q: Determine the molar enthalpy of combustion of an unknown organic fuel if a 2.75 g sample increased…

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Q: A chemist measures the enthalpy change AH during the following reaction: 3 N2(9) + 8 H2(9)→4NH3(g) +…

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Q: Solid aluminum metal and gaseous oxygen combine in the reaction below to form aluminum oxide:…

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Q: Using the reaction enthalpy data shown, determine the amount of heat released in each situation: 2…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

Q: If we measure the heat change (q) of everything in a system except the calorimeter, we can use the…

A: Given: mass of hot water = 5.59 g mass of cold water = 5.62 g C = 4.186 J/g°C Temperature of hot…