5.00 g of potassium hydroxide (molar mass = 56.1 g/mol) dissolves in 100.0 g of water and the temperature of the solution increases by 1.60oC. Calculate  ΔH for the reaction in kJ/mol of solute .The specific heat capacity of the solution is 4.18 J/goC

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A: No of moles of Ba(OH)2=  0.280 M × 0.044 L =0.01232 mol No of moles of HBr = 0.300 × 0.044 L =0.0132…

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

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Q: ΔH for the dissolving process KOH (s) → KOH (aq) is -57.6 kJ/mol KOH.  In an insulated calorimeter,…

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Q: In a constant‑pressure calorimeter, 70.0 mL of 0.850 M H2SO4 was added to 70.0 mL of 0.270 M NaOH.…

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Q: A 10.0 g solution of 0.05000 M aqueous NaOH was neutralized in a foam cup calorimeter with 10.0 g of…

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Q: Zinc metal reacts with hydrochloric acid according to thể föllowiR Zn (s) + 2 HCI (aq) -- ZnClz (aq)…

A: The reaction involved is Zn (s) + 2HCl (aq) -----> ZnCl2 (s) + H2 (g) mass of zinc = 0.104 g…

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Q: When 50.0 mL of 0.987 M H2SO4 is added to 25.0 mL of 2.00 M NaOH at 25.0 °C in a calorimeter, the…

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Q: 8.56 g of MgSO4 is placed into 100.0 mL of water. The water's temperature increases by 6.70 °C.…

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Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

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A: Given Mass of NH4Cl = 1.78 g Mass of CaCl2 = 3.26 g

Q: In a constant-pressure calorimeter, 55.0 mL of 0.300 M Ba(OH)₂ was added to 55.0 mL of 0.600 M HCl.…

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Q: 25.0 mL of 1.00 M HCl at 24.3oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

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Q: When a 3.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: When a 3.76 g sample of solid ammonium nitrate dissolves in 60.0 g of water in a Styrofoam-cup…

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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.…

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Q: When 3.50 g of sodium hydroxide (NaOH) was dissolved in 150.00 g of water a value of 10.50oC was…

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Q: A student dissolves a sample of barium hydroxide to make a 125-mL solution and then titrates it with…

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Q: Zinc metal reacts with hydrochloric acid according to the balanced chemical equation.  Zn(s) + 2…

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Q: determine the enthalpy change per mole of precipitate.

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Q: When 2.25 g of sodium hydroxide (NaOH) was dissolved in 100.00 g of water a value of 10.00oC was…

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Q: 5.00 g of potassium hydroxide (molar mass = 56.1 g/mol) dissolves in 100.0 g of water and the…

A: The question can be solved by giveb formula,  Q=m×C×dT where Q = heat energy (Joules, J),  m = mass…

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Q: Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s) +…

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Q: When a 7.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: When a 8.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: Suppose 23.00 g ammonium chloride (53.491 g/mol) dissolves in water in a calorimeter to form 100.00…

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Q: When a 8.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: When a 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: p0 M solution of HCl in a coffee-cu the temperature rises from 21.80 suming the density and specific…

A: mol of AgNO3(n) = M × V(L)     = 0.30 × 0.10 = 0.030 mol Mol of HCl(n) = 0.30 × 0.10    = 0.030 mol…

Q: When a 4.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: First, we will calculate the enthalpy change and then convert that heat into a molar quantity. To…

Q: When a 3.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

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Q: When 10.00 grams of cesium bromate is dissolved in 42.0 grams of water initially at a temperature of…

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