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Question

How many calories of heat is required to convert 5g of water at 100 degree celsius to 5g of steam at same tempertaure?? Please Send A Detailed Ans And please tell how to do questions related to this..


Solution

To do questions in this form ,you should clearly know the basis.It can be achieved by doing a lot of questions and a student like you can surely achieve that but by hardwork.

To do such problems you should know the constant values such as calories at 0 degree, 100 degree etc.You. can find those values in books or simply you can find it on internet.

Here,Calories required to convert one gram of water at 100 degree celcius in to steam is 540 Calorie(ofcourse it is a constant value)

So here we just need to multiply the constant with number of grams of water.

So,Calories reqd = 540 × 5 =2700 calories.

 

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