A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 one year ago
Calculate the amount of heat required to raise the temperature of a 39g sample of water from 5∘C to 20∘C.
 one year ago
Calculate the amount of heat required to raise the temperature of a 39g sample of water from 5∘C to 20∘C.

This Question is Closed

olzha.y
 one year ago
Best ResponseYou've already chosen the best response.0you wrote from 5 to 20 so (205) = difference in temperature..delta T Q = mC(T2T1) here C is "specific heat capacity of water" = 4.18J/(C*g) Q = 39*4.18*15 ~ 2500J or 2.5 kJ (look carefully, I may made a mistake, but I'm pretty sure)

olzha.y
 one year ago
Best ResponseYou've already chosen the best response.0to convert from celsius to fahrenheit use this formula: C * (9/5) + 32 = F

toxicsugar22
 one year ago
Best ResponseYou've already chosen the best response.0An adult eats food whose nutritional energy totals approximately 2200 Cal per day. The adult burns 2000 Cal per day. If 1 lb of fat is stored by the body for each 14.6×10^3kJ of excess nutritional energy consumed, how long will it take this person to gain 1 lb?
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
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...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 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.