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How Do You Convert Kg Into Grams



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Question
How to convert 350 lbs into grams using dimensional analysis?
How to convert 350 lbs into grams using dimensional analysis? thanks

Answer
Conversion factors: 1.00 kg = 2.20 lb; 1000 g = 1 kg no. grams = 350 lb[(1.00 kg)/(2.20 lb)](1000 g)/(1 kg) = 1.59 x 10^5 g or 159,000 g



Question
what is the conversion for liters to grams?
I need to convert 1 liter into grams but I don't know the conversion! any help?

Answer
Well, liter is a unity of volume and gram is a unity of mass. The relation between volume and mass is called density. As density is a characteristic of a substance, the relation is more or less fixed for a given substance. For example, 1 l of pure water weighs approximately 1 kg at 300 K. That is, for water 1 liter = 1000 grams.



Question
how many kJ of energy are needed to convert 1 kg of water into steam at 100 degree C?
Based on the theoretical value of 43.9 kJ/mol for delta Hvaporization of water, how many kJ of energy are needed to convert 1 kg of water into steam at 100 degree C?

Answer
Since one mole of water is 18 grams then 1 kg of water is 1000 / 18 = 55.56 moles so you need 55.56 * 43.9 = 2439 kJ of energy.




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