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1. Provide a results and discussion or analysis on theground coffee diffusion in hot, warm and cold water?...

Question

1. Provide a results and discussion or analysis on theground coffee diffusion in hot, warm and cold water?

1. Provide a results and discussion or analysis on the ground coffee diffusion in hot, warm and cold water?



Answers

There is more than a single reason why pouring a cup of hot coffee into a saucer results in faster cooling. Discuss two reasons.

The blackboard well, warm, faster is it observes, um, greater radiation or heat. Similarly, it will cool faster. There's a limit greater relation in heat.

Hi, friends. This is a problem based on concept of Yeah, can very metric amount of the heat lost. Start to amount of it. Get mhm. So amount of the sheet of aluminum? Yes, Yes. Heat of cover. Must be Gino. That is my salt condominium, Specifically to a family. Um, into increasing temperature. It's got to minus mass of covert a specific heat of covert. Do you find it? That is changing temperature of covert. So you can write massage Albania specifically to cala medium. Do you find it less pretty mass of covert specifically of covert and to do you find that minus 85. So this equation to be solved for final temperature, it is to me mass of covert a specific it of covert into 85 minus 20 Moskow Salmaniya, A specific set of Armenia divided by mass of covert into a specific heat of covert plus Moskow Alum in IUm plus specifically to of and medium. Now all the values are given just we have to substitute Okay, Masum provide is quite five kg specifically for what? Nigeria 285 minus 20 myself enemy and point to specifically 900. That is 0.5 and two 4190 plus while doing to 900. So it is to be incredible. 76.7 degrees seances. So thanks for about

For this problem, we're gonna be looking at the difference between a cold soda and a hot coffee in the same room. So to establish from temperatures, we're gonna assume the room temperature that both of these liquids Aaron is 22 degrees Celsius as a reminder. Temperature is the average kinetic energy of the molecules in a substance. So we're gonna assume that the room temperature of the air molecules in this room, uh, their average connect energy gives us the temperature of 22 degrees Celsius, so we'll call that medium activity for the soda. It has a temperature of 15 degrees Celsius. So the soda molecules are moving slower, and I'm going to represent that with smaller lines so they have lower energy, then the room temperature air. By contrast, the hot coffee is at 30 degree Celsius. It is moving faster. The Adams in this coffee are vibrating and moving around much quicker than the room temperature. And I'm representing that by using even longer. Airlines will call this high energy. Now, what's gonna happen in this room is all of these Adams air coming into contact. So when this high energy coffee comes into contact, with the room temperature, air thes Adams air going to collide. And what's gonna happen is the energy is going to transfer out of the coffee molecules into the air molecules, and we call that heat. When you have energy moving because of a temperature difference, we have 30 degrees in 22 degrees. You have heat, so the coffee is giving energy to the room temperature air. By contrast, you're gonna have kind of a reverse process with the soda. When these two come into contact, the room temperature air collides with the soda. It has more energy. Then the soda does, so the energy is going to transfer into the soda so you can have heat moving in the direction of the soda molecules. So as time goes on, this energy is looking for equilibrium, so eventually the coffee is going toe cool down. It's going to lose enough energy to move to 22 degrees Celsius, and then the room temperature is giving energy to the cold soda because of the temperature difference. So eventually that cold soda, the Adams and that are going to gain enough energy toe also be a 22 degrees Celsius.

Hi friends. Here it is, given everywhere. Coffee is often too hot to drink right away. You can call it with an ice cube, but it will dilute. Or you can buy a device that can cool your coffee without direction are 200 g off aluminum surrender from Mars off Aluminum cylinder is given 200 g. That is quite to cage that you take from your freezer and place in a mug off hot coffee. If surrender is cooled, it toe temperature off aluminum surrender is given minus contradict results is our typical frigid temperature and then drop into a large cup of coffee. Most off coffee is given 500 g. That is quite five kg at temperature. 85 degrees. Success. We have to find final temperature. So it is the problem based on calorie matri he'd lost by coffee is called toe heat gained by aluminum cylinder. Let us see how to solve it. Mhm. You get Yeah, heat lost with Hamas off water or coffee into a specific it into change in temperature. Initial 85 minus final temperature. Mass off aluminum. A specific ease off aluminum and toe final temperature minus initial minus country substitute the value to solve for final temperature. It is given 0.5 a specific. It is for one nine year old, 85 minus final temperature moss off aluminum surrender is point to Katie specific it 900. Do you final place 20 on solving it. Final temperature to wait. 76 degrees services. That's so thanks for watching it.


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