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The heat from a hot burner to a pot is transferred bya. convectionb. insulationC. radiationd. conduction...

Question

The heat from a hot burner to a pot is transferred bya. convectionb. insulationC. radiationd. conduction

The heat from a hot burner to a pot is transferred by a. convection b. insulation C. radiation d. conduction



Answers

Which occurs if two objects at different temperatures are in contact? A) convection B) condensation C) radiation D) conduction

To help depict the he transfer method going on. In this problem, I drew a quick picture to show what it would look like. So on the outside, we see the container that the vacuum is in and inside we see the container with a liquid is held. The blue molecules really represent the liquid, and in here there is no molecules, which represents up the containers in a vacuum. So first to see if this man's conduction we know it isn't conduction because he must be transferred with direct material collision and considering now nothing is in contact with the liquid and the container. We can determine that it's not conduction to see a confection is one of the methods of heat transfer that could possibly be used. We know that conviction is between to materials that aren't directly touching, and they passed your medium like water air. Considering there is no medium because it's in a vacuum, we know it can't be conviction and with radiation keep is transferred with transferred with mission of electromagnetic waves, which can pass through a vacuum. So from that we can determine that radiation is the method. If he transferred, that would have heated the liquid inside the vacuum

Transfer we've already talked about conduction with Is he transfer between two objects and direct contact. Another method is radiation, which occurs between an object and just the surrounding air, and the heat is moving in waves and is transferred that way.

This question is really asking us if we understand the difference between radiation conviction and conduction. So let's just start with a quick review. So radiation is the mission of electromagnetic waves, which can transfer heat between objects that are not in direct contact. So the mission is an important, uh, thing to remember when you're thinking about radiation. Hurry. Conviction is the transfer of heat by the movement of air or liquid over a surface. So we'll just if you imagine, like the air flow over a surface that would be confection. And then conduction is the transfer of heat between objects that are in direct contact with each other. So these guys and maybe one is passing heat to the other. Alright, in this question, you are in a room of empty chairs as the chairs filled with people, you become hotter and hotter. A ceiling fan has turned on, and you feel cooler. You gained heat by blank, so let's start with that. So when we look at her answer choices, we have the option of radiation conduction or convection. So we know that all of the bodies in the room are what was heating the room So there was radiation of heat off of these bodies. Um, there is not direct contact, so we can eliminate conduction as the first answer. And it doesn't say that there's any airflow in the room yet, and you're not having a big bath with each other, so we know that confection also is not a good choice. All right, now let's look at the next part of the question. Um, you lost heat to the environment as the ceiling fan was turned on, so all of the airflow created by the ceiling fan helped you cool off. So we know that conduction again requires direct contact, which hopefully you're not having with ceiling fan. But that's also not why you felt cooler so we can eliminate that option and then confirmed that. Guess the air flow from the fan was why you hold off. So we choose. Option B is the correct one.

Occurs all the time. It happens whenever there is a discrepancy and temperature anywhere, and one of the methods of this is conduction. And that's when UM, two objects are in direct contact with each other, and there are different temperatures, so he will be transferred from the object that it has a higher temperature to the object with lower temperature. And that's important to realize, because sometimes the direction of the transfer is confused, especially when we say that I schools down a beverage. But that's not the case. In fact, the beverage is warming the ice and in turn, because the beverages losing heat to the ice, the beverage becomes colder.


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