A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing


  • one year ago

100g of lukewarm coffee at 40'c left in a paper cup. when you pour 50g of boiling water into cup , the temputure of the resulting coffee -like mixture will be now

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    heat is transferred from the water is opposite to the heat transferred to the coffee. \[mC(T_{final}-T_{initial})|_{coffee}=-mC(T_{final}-T_{initial})|_{water}\] heat capacity for coffee and water will essentially be the same so you're left with \[(100~g)(T-40°C)=-(50~g)(T-100°C)\]

  2. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...


  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.