answersLogoWhite

0

Delta G (written triangle G) = Delta H -T Delta S

User Avatar

Wiki User

10y ago

What else can I help you with?

Continue Learning about Chemistry

What is the standard free energy equation and how is it used to calculate the thermodynamic feasibility of a chemical reaction?

The standard free energy equation is G H - TS, where G is the standard free energy change, H is the standard enthalpy change, T is the temperature in Kelvin, and S is the standard entropy change. This equation is used to calculate the thermodynamic feasibility of a chemical reaction by comparing the standard free energy change to zero. If G is negative, the reaction is thermodynamically feasible and will proceed spontaneously. If G is positive, the reaction is not thermodynamically feasible and will not proceed spontaneously.


How to calculate the heat of a reaction?

To calculate the heat of a reaction, you can use the equation q mcT, where q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and T is the change in temperature. You can also use the enthalpy change of the reaction, which is represented by H. The heat of reaction can be calculated using the equation H q / n, where n is the number of moles of the substance involved in the reaction.


Which variable is not required to calculate the Gibbs free-energy change for a chemical reaction?

The variable that is not required to calculate the Gibbs free-energy change for a chemical reaction is the temperature.


What is the significance of the Gibbs energy equation in determining the spontaneity of a chemical reaction?

The Gibbs energy equation helps determine if a chemical reaction will occur spontaneously by considering the change in enthalpy and entropy of the system. If the Gibbs energy is negative, the reaction is spontaneous.


What is the bomb calorimetry equation used to calculate the heat released or absorbed during a chemical reaction?

The bomb calorimetry equation used to calculate the heat released or absorbed during a chemical reaction is Q mcT, where Q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and T is the change in temperature.

Related Questions

What is the standard free energy equation and how is it used to calculate the thermodynamic feasibility of a chemical reaction?

The standard free energy equation is G H - TS, where G is the standard free energy change, H is the standard enthalpy change, T is the temperature in Kelvin, and S is the standard entropy change. This equation is used to calculate the thermodynamic feasibility of a chemical reaction by comparing the standard free energy change to zero. If G is negative, the reaction is thermodynamically feasible and will proceed spontaneously. If G is positive, the reaction is not thermodynamically feasible and will not proceed spontaneously.


How to calculate the heat of a reaction?

To calculate the heat of a reaction, you can use the equation q mcT, where q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and T is the change in temperature. You can also use the enthalpy change of the reaction, which is represented by H. The heat of reaction can be calculated using the equation H q / n, where n is the number of moles of the substance involved in the reaction.


Which variable is not required to calculate the Gibbs free-energy change for a chemical reaction?

The variable that is not required to calculate the Gibbs free-energy change for a chemical reaction is the temperature.


What equation is used to calculate the free energy change a reaction?

Delta G (written triangle G) = Delta H -T Delta S


What is the significance of the Gibbs energy equation in determining the spontaneity of a chemical reaction?

The Gibbs energy equation helps determine if a chemical reaction will occur spontaneously by considering the change in enthalpy and entropy of the system. If the Gibbs energy is negative, the reaction is spontaneous.


Is the gibbs free energy equation used to measure thermodynamic functions from equilibrium measurements at different temperatures?

Yes, the Gibbs free energy equation can be used to determine the thermodynamic feasibility of a reaction as well as to calculate the equilibrium constant based on measurements at different temperatures. The equation relates the change in Gibbs free energy to the change in enthalpy, entropy, and temperature.


What is the bomb calorimetry equation used to calculate the heat released or absorbed during a chemical reaction?

The bomb calorimetry equation used to calculate the heat released or absorbed during a chemical reaction is Q mcT, where Q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and T is the change in temperature.


What is the relationship between Gibbs free energy and enthalpy in a chemical reaction?

In a chemical reaction, the relationship between Gibbs free energy and enthalpy is described by the equation G H - TS, where G is the change in Gibbs free energy, H is the change in enthalpy, T is the temperature in Kelvin, and S is the change in entropy. This equation shows that the Gibbs free energy change is influenced by both the enthalpy change and the entropy change in a reaction.


How can you determine whether an equation is endothermic or exothermic?

To determine if an equation is endothermic or exothermic, you can look at the overall energy change. If the reaction absorbs energy from the surroundings, it is endothermic. If the reaction releases energy into the surroundings, it is exothermic. This can be determined by comparing the energy of the reactants to the energy of the products.


What does delta mean in the equation for thermal energy?

Delta in the equation for thermal energy typically represents a change or difference, such as a change in temperature or heat energy. It signifies the final state of the system minus the initial state to calculate the thermal energy change.


How can one use bond energy to calculate the enthalpy change in a chemical reaction?

Bond energy can be used to calculate the enthalpy change in a chemical reaction by comparing the total energy needed to break the bonds in the reactants with the total energy released when new bonds form in the products. The difference between these two values represents the enthalpy change of the reaction.


How do you calculate displacement of an object using the work-energy equation?

To calculate displacement using the work-energy equation, first calculate the work done on the object using the force applied and the distance moved. Then, equate the work done to the change in kinetic energy of the object using the work-energy equation: Work = Change in kinetic energy = 0.5 * mass * (final velocity^2 - initial velocity^2). Finally, rearrange the equation to solve for displacement.