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What is the standard enthalpy change for the vaporization of 50.0 g of water at a temperature of 298.15 K and a pressure of 1 atm? The molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
33
views
What is the standard enthalpy change for the vaporization of 50 grams of water at 100°C and 1 atm pressure? Given the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
33
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What is the standard enthalpy change for the vaporization of 50 grams of liquid water at 100°C and 1 atm pressure? Given that the molar enthalpy of vaporization of water is 40.6 kJ/mol.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
40
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What is the standard enthalpy change for the vaporization of 50 g of water at its boiling point of 100°C? The molar heat of vaporization for water is 40.7 kJ/mol.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
34
views
What is the standard enthalpy change for the vaporization of 25 grams of water at 100°C and 1 atm pressure? Given the standard enthalpy of vaporization for water is 40.7 kJ/mol.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
35
views
What is the standard enthalpy change for the vaporization of 10 g of water at a temperature of 100°C and atmospheric pressure?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
9
views
What is the standard enthalpy change for the transition of water from ice at -10°C to liquid water at 25°C? Provide the balanced chemical equation for this phase transition and use the appropriate values to calculate the standard enthalpy change.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
37
views
What is the standard enthalpy change for the transition of ice to water if 50 grams of ice is heated from -10 °C to 50 °C? The molar mass of water is 18 g/mol and the specific heat capacity of ice and water are 2.09 J/g°C and 4.18 J/g°C, respectively.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
35
views
What is the standard enthalpy change for the reaction that occurs when 50 ml of 0.1 M HCl is mixed with 50 ml of 0.1 M NaOH at 25°C? The equation for the reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l).
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
38
views
What is the standard enthalpy change for the reaction between copper sulfate pentahydrate and potassium hydroxide to form copper hydroxide and potassium sulfate, assuming all substances are in their standard state and the reaction occurs at 25°C?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
30
views
What is the standard enthalpy change for the reaction of calcium oxide (solid) and water to form calcium hydroxide (solid) if 3.2 grams of calcium oxide reacts with excess water under standard conditions?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
39
views
What is the standard enthalpy change for the reaction where 2 moles of hydrochloric acid react with 1 mole of magnesium hydroxide in aqueous solutions to produce 1 mole of magnesium chloride and 2 moles of water at 298 K and 1 atm pressure?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
46
views
What is the standard enthalpy change for the reaction of 2 moles of carbon with 1 mole of oxygen to form carbon monoxide, given that the process occurs at standard conditions?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
31
views
What is the standard enthalpy change for the reaction of zinc oxide and hydrochloric acid to form zinc chloride and water, given that all reactants and products are solids at standard temperature and pressure?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
51
views
What is the standard enthalpy change for the reaction between 50 mL of 1 M sulfuric acid and 40 mL of 1.5 M sodium hydroxide at 25 °C, given that the temperature change observed was 6.5 °C?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
44
views
Sure. What is the standard enthalpy change for the reaction of mixing 10g of ethyl alcohol (C2H5OH) with 25g of water (H2O) at 25°C, given that the heat evolved is 12.5 kJ?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
37
views
What is the standard enthalpy change for the reaction of [Fe(H2O)6]2+(aq) + 2Cl-(aq) → [FeCl4]2-(aq) + 6H2O(l)? Given the following bond enthalpies: Fe-Cl = 242 kJ/mol, O-H = 463 kJ/mol, and H-Cl = 431 kJ/mol.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
46
views
What is the standard enthalpy change for the reaction of 2-methylpropan-2-ol (C4H10O) with oxygen gas (O2) to form carbon dioxide (CO2) and water (H2O) at standard conditions?
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
38
views
What is the standard enthalpy change for the reaction when 50 ml of 0.2 M hydrochloric acid is mixed with 50 ml of 0.1 M sodium hydroxide solution at 25°C? The specific heat capacity of the mixed solution is 4.18 J/g°C and the density is 1 g/mL.
asked
Mar 1
in
Chemical thermodynamics
0
votes
1
answer
33
views
What is the standard enthalpy change for the reaction between 50.0 mL of 0.100 M HCl(aq) and 50.0 mL of 0.100 M NaOH(aq) at 25 °C, given that the temperature change of the mixture was 10.0 °C and the specific heat capacity of the solution is 4.18 J/(g·K)?
asked
Mar 1
in
Chemical thermodynamics
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