Register
A piece of metal is cooled in a water calorimeter. This process increases the water temperature by 7.0°C. How much energy is lost if there is 100. g of water in the calorimeter? (specific heat of water
188k views
14 votes
A piece of metal is cooled in a water calorimeter. This process increases the water temperature by 7.0°C. How much energy is lost if there is 100. g of water in the calorimeter? (specific heat of water is 4.184 J/g°C)

User Evren
by
5.8k points

1 Answer

10 votes

Heat changes

Q = m.c.Δt

Q = 100 g x 4.184 J/g°C x 7 °C

Q = 2928.8 J

User Benjamin Netter
by
6.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.7m questions

8.8m answers

Other Questions

When weak acids react with strong bases, the H+ from the weak acid is transferred to the: metal of the strong base to form a metal hydride OH− from the strong base to form water and a salt salt that is
How much heat is required to increase the temperature of 10.0 grams of water 6.0oC? (The specific heat of water is 4.18 J/g x oC) 250 J
Some elements can have multiple molecular forms in the same physical state. these multiple forms are called a. isotopes. b. isotropes. c. allotropes. d. multi-tropes.
True or false: in the water cycle, water returns to Earth as condesation, usually in the form of rain or snow.
What is the approximate hydronium ion concentration and hydroxide ion concentration in bleach? Which is higher?
Link Copied!