When 30mL of 1.18 mol/L H2SO4(aq) and 40mL of 1.27mol/L HCOOH(aq) are mixed in a simple calorimeter, the temperature rises by 5.07 degrees celsius. Calculate the enthalpy change that occurs in the chemical system. The answer should be written in the form a.bc kJ

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A: The amount of heat required to raise the temperature of the sample is given by: q = mc∆Tq is the…

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A: Enthalpy of reaction ∆Hrxn is calculated below.

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Q: In a laboratory investigation into the neutralization reaction; HNO3(aq) + NaOH(s) - NaNO3(aq) + H₂O…

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Q: A 25.0 mL sample of 0.5 M AgNO3(aq) is mixed with a 25.0 mL sample of 0.5 M NaCl(aq) in a…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A 55.5g sample of brass, which has a specific heat capacity of 0.375·J·g−1°C−1, is put into a…

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Q: A quantity of 1.435 g of naphthalene (C10H8), a pungent-smelling substance used in moth repellents,…

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Q: 670J·g−1·°C−1 , is put into a calorimeter (see sketch at right)that contains  300.0g  of water. The…

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Q: A quantity of 1.435 g. of naphthalene (C10H8), a pungent smelling substance used in moth repellents,…

A: Given data,Mass of Naphthalene=1.435gInitial temperature=20.28oCFinal temperature=25.95oCHeat…

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A: Given :  energy of a mixture of gaseous reactants decreases by 111 kJ  185 kJ of work is done on…

Q: A 50.0 mL sample of 0.5 M AgNO3(aq) is mixed with a 50.0 mL sample of 0.5 M NaI(aq) in a…

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Q: An electrical heater is used to add 18.25 kJ of heat to a constant-volume calorimeter. The…

A: Divide 18.25 kilojoules of heat by the rise observed in the temperature of calorimeter.

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Q: A student mixed 50.0 mL of 2.00 mol/L HNO3(aq) with 50.0 mL of 2.00 mol/L KOH(aq) in a calorimeter.…

A: Given that A student mixed 50.0 mL of 2.00 mol/L HNO3 (aq) with 50.0 mL of 2.00 mol/L KOH(aq) in a…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Given data,Mass of phthalic acid(mphthalic acid)=0.6715gMass of water(mH2O)=1.214×103gInitial…

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A: Recall the given reaction,                              C3H6O l + 4 O2 g → 3 CO2 g + 3 H2O g…

Q: In a laboratory investigation into the neutralization reaction;   HNO3 (aq) + NaOH(s) → NaNO3 (aq)…

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Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Given reaction is shown below. As energy is released in the given reaction, it is an exothermic…

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Q: A generic solid, X, has a molar mass of 58.9 g/mol. In a constant-pressure calorimeter, 30.9 g of X…

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Q: A sample of glass, which has a specific heat capacity of 0.670·J·g−1°C−1, is put into a calorimeter…

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Q: The reaction of zinc with hydrochloric acid is represented by the reaction Zn(s) + 2 HCl(aq) ↔ ZnCl…

A: Q = m . s . (T2 - T1) Where, Q = heat absorbed/liberated, m = mass of substance, s = specific heat…

Q: When 50.0 mL of 1.27 M of HCl(aq) is combined with 50.0 mL of 1.32 M of NaOH(aq) in a coffee-cup…

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Q: When 1.00 L of 1.05 M Ba(NO3)2 solution is mixed with 1.00 L of 1.10 M NazSO4 solution at 25.0°C in…

A: Given: Concentration of Ba(NO3)2 = 1.05 M Volume of Ba(NO3)2 solution = 1.00 L Concentration of…

Q: The sugar arabinose, C5 H10 O5, is burned completely in oxygen in a calorimeter. C,Н1о Оs (s) +…

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Q: Solid calcium chloride dissolves in water according to the equation below. CaCl2 (s) ➝ Ca+2 (aq) +…

A: CaCl2 (s) ➝ Ca+2 (aq) + 2 Cl – (aq)      ΔHº = –81.3 kJ/mol Heat evolved = heat absorbed = Q Q = m .…

Q: An 8.0 g sample margarine was placed in a bomb calorimeter. It was then completely combusted leading…

A: Ans  Heat change in bomb calorimetry is given by the formula  DeltaH  = mc(T2-T1)  Now given values…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Use the following equation Where q= heat c= specific heat