shikiaanthony
25.12.2019 •
Chemistry
A2.5 g sample of french fries is placed in a calorimeter with 500.0 g of water at an initial temperature of 21 °c. after combustion of the french fries, the water has a temperature of 48 °c. what is the caloric value (kcal/g) of the french fries?
Solved
Show answers
More tips
- S Society and Politics Will Japan become Russia s Military Enemy?...
- P Philosophy Is Everything We Strive for Eventually Achieved and Destroyed?...
- S Society and Politics Understanding Politics and Its Role in the Development of Civilization...
- P Philosophy Why Did God Create Man and Place Him in Obscurity?...
- S Society and Politics Skoptsy: Who They Are and How They Perform Castration?...
- O Other Childhood Fears: What Many of Us Experienced...
- P Philosophy What is Something for you?...
- H Health and Medicine Why Do Humans Have One Heart?...
- P Philosophy Unbelievable stories of encounters with otherworldly forces...
- O Other How to Accidentally Get a Rare Coin with Your Change and How to Know Its Value?...
Answers on questions: Chemistry
- E English When the narrator states, i spend many hours below ground, to what is she referring?...
- M Mathematics Is there anyone who can solve it?...
- M Medicine The placenta not only serves as an organ of exchange but also secretes all of the following hormones, except a. prolactin. b. chorionic gonadotropin c. placental lactogen...
Ответ:
=(500g) x (1 cal/g.°C) x (48°C-21°C) = 13500 cal
13500 cal / 1000 = 13.5 kcal
"What is the caloric value (kcal/g) of the french fries?"
13.5 kcal/ 2.5 g = 5.4 kcal/g
Ответ: