Homework Help: chemistry

Posted by sheila on Monday, January 17, 2011 at 12:49pm.

A girl is celebrating her seventh birthday. Each guest is served one large slice of chocolate cake, a hamburger, French fries, and some oranges.
Identify the food groups mentioned above.

If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein, calculate the kilocalories that each slice of cake contains.

Identify all the food groups that form a part of a balanced diet along with their sources.

chemistry - DrBob222, Monday, January 17, 2011 at 2:26pm
You can get the food groups from your text or notes.
#2. kilocalories from fat = about 9/gram.
kilocalories from protein = about 4/gram.
kilocalories from carbohydrates = about 4/gram. It appear you have
(35*4) + (5*4) + (15*9) = ??
Check those numbers. They are from memory from long ago and better measurements may have changed them a little.

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