hw1 - CH353 Homework assignment 1 (due Thursday Feb 5) 1...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
CH353 Homework assignment 1 ( due Thursday Feb 5 ) 1 (10 points). Research shows that in order to consistently lose weight without much damage to our health, one has to spend an extra 200 kcal per day (please note that the “calories” you see on food packages are actually kilocalories, not calories). a. According to a recently suggested diet 1 , one can achieve this by drinking cold (8°C) water every day. Our body will have to burn extra calories in order to bring the temperature of water up to the normal body temperature, which is about 36.7°C. Calculate how much water one should drink per day in order to comply with this weight reduction plan (you will need to recall the definition of a calorie that I gave in a lecture). b. If you did Part a. you probably found out that the required daily amount of water is a bit too large. Consider a diet, in which one eats ice (at 0°C) instead. Use the fact that it takes 6.01 kJ to melt one mole of frozen water (you will learn more about melting later in the course). How much ice
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/06/2009 for the course CH 353M taught by Professor Lim during the Spring '08 term at University of Texas.

Page1 / 2

hw1 - CH353 Homework assignment 1 (due Thursday Feb 5) 1...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online