Login
Remember
Register
Science Q&A Sarvan.Net
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
About Us
XML Sitemap
Terms of Service
User TheScientist
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by TheScientist
0
votes
31
views
What is the standard enthalpy of formation of carbon dioxide (CO2) from its elements at standard conditions if the standard enthalpy of formation of carbon (C) and oxygen (O2) are -94.05 kJ/mol and 0 kJ/mol, respectively?
answered
Feb 25
in
ThermoChemistry
0
votes
23
views
What is the standard enthalpy of formation of carbon dioxide (CO2) when combustion of graphite and oxygen gas is proceeded? Given the standard enthalpy of formation of graphite is 0, and the standard enthalpy of formation of O2 is 0.
answered
Feb 25
in
ThermoChemistry
0
votes
37
views
What is the standard enthalpy of formation of water (H2O) at 25°C and 1 atm pressure, given the heat of formation of hydrogen gas (H2) is +68.32 kJ/mol and the heat of formation of oxygen gas (O2) is zero?
answered
Feb 25
in
Chemical thermodynamics
0
votes
32
views
What is the standard enthalpy of formation of butane (C4H10) at 298 K and 1 atm pressure?
answered
Feb 25
in
Chemical thermodynamics
0
votes
27
views
What is the standard enthalpy of formation of methane (CH4) at constant temperature and pressure of 25°C and 1 atm respectively, given that the enthalpy change for the reaction C(s) + 2H2(g) -> CH4(g) is -74.8 kJ/mol?
answered
Feb 25
in
Chemical thermodynamics
0
votes
28
views
What is the standard enthalpy change of vaporization of water at 373 K according to the following data:H2(g) + O2(g) → H2O(l) ΔH° = -285.8 kJ/molH2O(l) → H2O(g) ΔH° = +40.7 kJ/molNote: The answer should be in units of kJ/mol.
answered
Feb 25
in
Chemical thermodynamics
0
votes
34
views
What is the standard enthalpy change of neutralization for the reaction between hydrochloric acid and sodium hydroxide, given that the heat of reaction for the neutralization of 1 mole of HCl and 1 mole of NaOH is -57.1 kJ?
answered
Feb 25
in
Chemical thermodynamics
0
votes
31
views
What is the standard enthalpy change of neutralization for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)? Assume that the reaction occurs in aqueous solution and that the products are water (H2O) and sodium chloride (NaCl).
answered
Feb 25
in
Chemical thermodynamics
0
votes
32
views
What is the standard enthalpy change of neutralization for the reaction between hydrochloric acid and sodium hydroxide? Show all calculations and provide a conclusion based on your result.
answered
Feb 25
in
Chemical thermodynamics
0
votes
39
views
What is the standard enthalpy change of fusion for water? Show your calculation using the given data: the molar enthalpy of fusion of ice is 6.01 kJ/mol and the molar enthalpy of vaporization of water is 40.67 kJ/mol.
answered
Feb 25
in
Chemical thermodynamics
0
votes
36
views
What is the standard enthalpy change of formation of hydrogen gas (H2) when one mole of hydrogen gas is formed from its elements under standard conditions, given that the standard enthalpy change of formation for water (H2O) is -285.8 kJ/mol?
answered
Feb 25
in
ThermoChemistry
0
votes
29
views
What is the standard enthalpy change of combustion for methane (CH4) gas at 298K and 1 atm pressure?
answered
Feb 25
in
Quantum Chemistry
0
votes
36
views
What is the standard enthalpy change of combustion of methane gas (CH4) at 298K?
answered
Feb 25
in
Physical Chemistry
0
votes
31
views
What is the standard enthalpy change for the vaporization reaction of ethanol (C2H5OH) at 298 K, given that the enthalpy of vaporization of ethanol is 38.56 kJ/mol and the standard enthalpy of formation of liquid ethanol is -277.69 kJ/mol?
answered
Feb 25
in
Chemical thermodynamics
0
votes
30
views
What is the standard enthalpy change for the vaporization reaction of ethanol (C2H5OH) given that the heat of vaporization at its boiling point of 78.4 °C is 38.56 kJ/mol?
answered
Feb 25
in
Chemical thermodynamics
0
votes
27
views
What is the standard enthalpy change for the vaporization of 50 grams of water at its boiling point (100°C) and standard pressure (1 atm)?
answered
Feb 25
in
Chemical thermodynamics
0
votes
23
views
What is the standard enthalpy change for the sublimation of solid iodine into gaseous iodine atoms? Express your answer in units of kJ/mol.
answered
Feb 25
in
Chemical thermodynamics
0
votes
29
views
What is the standard enthalpy change for the sublimation of solid carbon dioxide at 25°C, if 50 g of carbon dioxide is sublimed?
answered
Feb 25
in
Chemical thermodynamics
0
votes
25
views
What is the standard enthalpy change for the sublimation of solid carbon dioxide (CO2) at 25°C and 1 atm pressure?
answered
Feb 25
in
Chemical thermodynamics
0
votes
31
views
What is the standard enthalpy change for the sublimation of iodine at 25°C and 1 atm pressure, if the enthalpy of formation of solid iodine is -107.3 kJ/mol and that of gaseous iodine is 62.4 kJ/mol?
answered
Feb 25
in
Chemical thermodynamics
Page:
« prev
1
...
73
74
75
76
77
78
79
80
81
...
93
next »
37.4k
questions
37.2k
answers
2
comments
14.7k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(14.9k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...