Charles Law
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- Ok class tomorrow we will have groupings so be ready and find your group for reporting tomorrow about Charles Law and about volume -temperature relationship. That's all class and you can go home, be careful when you go home goodbye!!!
- That's a good idea, but where will we study at home ?? and we were able to say goodbye to the parents again so it's okay.
- How are you Jena and Harold do you have a group ?? If not, we can all just group together, what do you think?
- Let's just go home because I told Mommy that we should study at home and she allowed us so let's go home so we don't have to stay long.
- What we are going to do is one by one we should have a topic about Charles Law, I am in Charles Law, you Harold are about volume -temperature relationship and Angel you are for example on the topic. Is that okay with you?
- That's okay with us
- The next day they went in and they were the next to report about Charles Law
- French physicist Jacques Charles (1746-1823) studied the effect of temperature on the volume of a gas at constant pressure. Charles's Law states that the volume of a given mass of gas varies directly with the absolute temperature of the gas when pressure is kept constant. The absolute temperature is temperature measured with the Kelvin scale. The Kelvin scale must be used because zero on the Kelvin scale corresponds to a complete stoppage of molecular motion.
- The relationship between the volume and temperature of a given amount of gas at constant pressure is known as Charles’s law. The law states that the volume of a given amount of gas is directly proportional to its temperature on the kelvin scale when the pressure is held constant.Mathematically, this can be written as:V1/T1 = V2/T2where k is a proportionality constant that depends on the amount and pressure of the gas. For a confined gas at constant pressure, the ratio V/T is constant.
- If a balloon is filled with air and sealed, then the balloon contains a specific amount of air at atmospheric pressure (1 atm). If the balloon is placed in a refrigerator, the gas inside gets cold, and the balloon shrinks (although both the amount of gas and its pressure remain constant). If the balloon is made very cold, it will shrink a great deal. When it is warmed up, the balloon will expand again.This is an example of the effect of temperature on the volume of a given amount of a confined gas at constant pressure. The volume increases as the temperature increases, and the volume decreases as the temperature decreases.That's all thank you!!!
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