Questions tagged 'Thermodynamics'
55 questions
Jan 04, 2025
What is the enthalpy for reaction 1 reversed? reaction 1 reversed: 2co2+3h2o→c2h5oh+3o2?
What is the enthalpy change for the reverse of Reaction 1? The reaction is as follows: 2 CO2 + 3 H2O → C2H5OH + 3 O2.
Jan 03, 2025
What wouldHow much work is done on the gas during each of the three segments? you like to ask?
In a thermodynamic process involving 100 mg of helium, we have three distinct segments to analyze: Process 1 is isochoric. Process 2 is isothermal. Process 3 is isobaric. The parameters for each pr...
A gas sample is heated from -20 degrees C to 57.0 degrees C and the volume is increased from 2.00 L to 4.50 L.?
A gas sample is heated from -20 degrees Celsius to 57.0 degrees Celsius, and its volume is increased from 2.00 liters to 4.50 liters. If the initial pressure of the gas is 0.110 atm, what is the final...
Gibbs free energy question…?
For the reaction NH4Cl → NH3 + HCl, the standard enthalpy change (ΔH°) is 176 kJ, and the standard Gibbs free energy change (ΔG°) is -91.2 kJ at 298 K. What is the value of ΔG at 1000 K?
Dec 28, 2024
calculate the enthalpy change for the neutralization please!!!?
In a coffee cup calorimeter, 100.0 mL of 1.0 M NaOH is mixed with 100.0 mL of 1.0 M HCl. Both solutions were initially at 24.6 °C. After the reaction, the final temperature is measured at 31.3 °C. Ass...
What occurs when the temperature of 10.0 grams of water is changed from 15.5°C to 14.5°C?
What happens when the temperature of 10.0 grams of water is changed from 15.5°C to 14.5°C? Does the water absorb 42 joules of energy? Does the water release 42 joules of energy? Does the water abs...
Which of the following substances has a standard heat of formation δh°f of zero?
Which of the following substances has a standard heat of formation (ΔH°f) equal to zero? Please select one or more options from the following: a. Lead (Pb) at 1000°C b. Propane (C3H8) in the gas phase...
Dec 13, 2024
A rapidly spinning paddle wheel raises the temperature of 200mL of water …?
A rapidly spinning paddle wheel raises the temperature of 200 mL of water from 21 degrees Celsius to 25 degrees Celsius. What is the amount of work done in this process, and how much heat is transferr...
Calculate the enthalpy of the reaction: 2NO(g) + O2(g) –> 2NO2(g)?
Calculate the enthalpy of the reaction: 2NO(g) + O2(g) → 2NO2(g) using the following reactions and their enthalpies of formation: 1/2 N2(g) + O2(g) → NO2(g), ΔH = +33.2 kJ 1/2 N2(g) + 1/2 O2(g) → N...
What is delta S for formation of 1 mole Cu2O(s)?
What is the value of ΔS for the formation of 1 mole of Cu2O(s)? Additionally, could you please explain the factors that influence this value and its significance in thermodynamics?