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Marysya12 [62]
3 years ago
13

There are two open cans of soda on the table one can was just take it on the refrigerator and the other was taken from the cup b

oard upon opening the cans which one loses carbon dioxide more quickly and why
Chemistry
2 answers:
agasfer [191]3 years ago
8 0

The one from the cupboard because it is warmer (has more thermal energy) than the one from the refrigerator. When a liquid becomes warmer, the solubility of a gas becomes lower. Therefore, there is already more CO2 in its gaseous state when the soda is warm.


qaws [65]3 years ago
7 0
The water inside of the soda turns to ice and the CO2 is pushed out causing a rapid realese of pressure when the van is opened. The same thing happens when you leave a soda can in your car in the winter except when left to lang the van may explode by of too much build up
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30,000 J of heat are added to 23.0 kg of steel to reach a final temperature of 140
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<u>Explanation:</u>

As the specific heat formula says that the heat energy required is directly proportional to the mass and change in temperature of the system.

Q = mcΔT

So, here the mass m is given as 23 kg, the specific heat of steel is given as c = 490 J/kg°C and the initial temperature is required to find with the final temperature being 140 °C. Also the heat energy required is 30,000 J.

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Initial temperature = 140-2.66 = 137.34 °C

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