Chemistry, 13.05.2021 02:10 jkgtmhuip3503
URGENT A 2.00 g marshmallow is combusted under a flask containing 50.0 g of water at an initial temperature of 25.0°C. After the combustion of the marshmallow, 0.30g of charred marshmallow remained and the temperature of the water increased to 75.0°C.
If the energy associated by the combustion of the marshmallow is 2.5 kilocalories. What is the percent error if the packaging label says that there are 3.5 kilocalories per gram of marshmallow.
Specific heat of water is 4.184 J/g °C or 1 cal/g°C
Percent Error = 100 x (Accepted value - Experimental value)/Accepted value
A. 42% error
B. 58% error
C. 64% error
D. 29% error
Answers: 2
Chemistry, 22.06.2019 08:00, gomezyonathan93
An observation that requires measurement is called quantitative observable or qualitative
Answers: 1
URGENT A 2.00 g marshmallow is combusted under a flask containing 50.0 g of water at an initial temp...
History, 02.07.2019 21:30
History, 02.07.2019 21:30