Burns produced by steam at 100°C are much more severe than those produced by the same mass of 100°C water. To verify this, answer the questions below. Specific heat of water = 1.00 kcal/(kg · °C); heat of vaporization = 539 kcal/kg; specific heat of human flesh = 0.83 kcal/(kg · °C). (a) Calculate the quantity of heat that must be removed from 4.20 g of 100°C water to lower its temperature to 45.0°C. kcal (b) Calculate the quantity of heat that must be removed from 4.20 g of 100°C steam to condense it and lower its temperature to 45.0°C. kcal (c) Calculate the mass of human flesh that the quantity of heat produced in each case can raise from the normal 37.0°C to 45.0°C. (Flesh is badly damaged at 50.0°C.) water kg steam kg
Burns produced by steam at 100°C are much more severe than those produced by the same mass of 100°C water. To verify this, answer the questions below. Specific heat of water = 1.00 kcal/(kg · °C); heat of vaporization = 539 kcal/kg; specific heat of human flesh = 0.83 kcal/(kg · °C). (a) Calculate the quantity of heat that must be removed from 4.20 g of 100°C water to lower its temperature to 45.0°C. kcal (b) Calculate the quantity of heat that must be removed from 4.20 g of 100°C steam to condense it and lower its temperature to 45.0°C. kcal (c) Calculate the mass of human flesh that the quantity of heat produced in each case can raise from the normal 37.0°C to 45.0°C. (Flesh is badly damaged at 50.0°C.) water kg steam kg
Chapter1: Temperature And Heat
Section: Chapter Questions
Problem 94P: A firewalker runs across a bed of hot coals without sustaining burns. Calculate the heat transferred...
Related questions
Question
Burns produced by steam at 100°C are much more severe than those produced by the same mass of 100°C water. To verify this, answer the questions below. Specific heat of water = 1.00 kcal/(kg · °C); heat of vaporization = 539 kcal/kg; specific heat of human flesh = 0.83 kcal/(kg · °C).
(a) Calculate the quantity of heat that must be removed from 4.20 g of 100°C water to lower its temperature to 45.0°C.
kcal
(b) Calculate the quantity of heat that must be removed from 4.20 g of 100°C steam to condense it and lower its temperature to 45.0°C.
kcal
(c) Calculate the mass of human flesh that the quantity of heat produced in each case can raise from the normal 37.0°C to 45.0°C. (Flesh is badly damaged at 50.0°C.)
kcal
(b) Calculate the quantity of heat that must be removed from 4.20 g of 100°C steam to condense it and lower its temperature to 45.0°C.
kcal
(c) Calculate the mass of human flesh that the quantity of heat produced in each case can raise from the normal 37.0°C to 45.0°C. (Flesh is badly damaged at 50.0°C.)
| water | kg |
| steam | kg |
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Recommended textbooks for you
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Physics for Scientists and Engineers: Foundations…
Physics
ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Physics for Scientists and Engineers: Foundations…
Physics
ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College
Physics for Scientists and Engineers, Technology …
Physics
ISBN:
9781305116399
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
College Physics
Physics
ISBN:
9781285737027
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning