Problem 9: The number of kilocalories in food is determined by calorimetry techniques inSpecific heat (c)SubstancesSolidsAluminumwhich the food is burned and the amount of heat transfer is measured.J/kg Ckcal/kg-C9000.215Concrete8400.20Соpper3870.0924Glass8400.20Human Body (37°C)35000.83Iron, steel4520.108LiquidsWater41861.000Mercury1390.0333OtheexneHow many kilocalories per gram are there in a 4.85-g peanut if the energy from burning it is transferred to 0.475 kg of water held in a 0.115-kgaluminum cup, causing a 54.9°C temperature increase?Q/m, =

mass of peanut = 4.85 g mass of water = 0.475 kg mass of aluminum cup = 0.115 kg increase in…

Specific heat (c) J/kg°C 900 Problem 9: The number of kilocalories in food is determined by calorimetry techniques in Substances Solids which the food is burned and the amount of heat transfer is measured. kcal/kg-C 0.215 Aluminum Concrete 840 0.20 Соpper Glass 387 0.0924 840 0.20 Human Body (37'C) Iron, steel 3500 0.83 452 0.108 Liquids Water 4186 1.000 Mercury 139 0.0333 Otheexne- How many kilocalories per gram are there in a 4.85-g peanut if the energy from burning it is transferred to 0.475 kg of water held in a 0.115-kg aluminum cup, causing a 54.9°C temperature increase? = dujõ

Specific heat (c) J/kg°C 900 Problem 9: The number of kilocalories in food is determined by calorimetry techniques in Substances Solids which the food is burned and the amount of heat transfer is measured. kcal/kg-C 0.215 Aluminum Concrete 840 0.20 Соpper Glass 387 0.0924 840 0.20 Human Body (37'C) Iron, steel 3500 0.83 452 0.108 Liquids Water 4186 1.000 Mercury 139 0.0333 Otheexne- How many kilocalories per gram are there in a 4.85-g peanut if the energy from burning it is transferred to 0.475 kg of water held in a 0.115-kg aluminum cup, causing a 54.9°C temperature increase? = dujõ

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.

Question

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Problem 9: The number of kilocalories in food is determined by calorimetry techniques in
Specific heat (c)
Substances
Solids
Aluminum
which the food is burned and the amount of heat transfer is measured.
J/kg C
kcal/kg-C
900
0.215
Concrete
840
0.20
Соpper
387
0.0924
Glass
840
0.20
Human Body (37°C)
3500
0.83
Iron, steel
452
0.108
Liquids
Water
4186
1.000
Mercury
139
0.0333
Otheexne
How many kilocalories per gram are there in a 4.85-g peanut if the energy from burning it is transferred to 0.475 kg of water held in a 0.115-kg
aluminum cup, causing a 54.9°C temperature increase?
Q/m, =

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