7 posts • Page 1 of 1
Can someone reiterate how temperature remains constant during a phase transition? Does it then suddenly just spike/fall after the transition is complete? A bit confused just by the process of it all. How is the steam causing burns example applicable?
When a substance's phase changes, its temperature remains constant until the phase change completes. For example, when ice is heated, its temperature increases until it reaches 0 C. At 0 C, it starts melting and the solid water is turned to liquid water.
Not seeing a temperature change does not mean that there is no change in heat occurring. As the temperature of a system is increased, more heat is being applied and in the normal states, the temperature will increase, but when it comes to transition states, a lot of energy is required for the transition to happen so all the heat entering the system stays in the system and is increasing even though the temperature isn't.
Ellen Amico 2L wrote:During a phase change, all the added heat energy is going towards breaking the bonds rather than increasing the temperature. Therefore, the temperature won't change.
So once the phase is reached will the temperature then change?
Who is online
Users browsing this forum: No registered users and 1 guest