A motor does 30 kJ of work and loses 4 kJ as heat to the surroundings.What is the change in the internal energy of the motor?
A) -34 kJ
B) +34 kJ
C) -26 kJ
D) +26 kJ
Correct Answer:
Verified
Q97: When 0.455 g of anthracene,C14H10,is combusted in
Q100: Identify an energy source that is not
Q102: An ice cube melts and cools the
Q103: A block of metal initially at 70°C
Q104: In the following reaction,energy is given off.Where
Q105: Calculate the standard enthalpy of sublimation (Δsub
Q106: Calculate the work done by the system
Q121: When 1.50 mol of CH4(g)reacts with excess
Q128: A 50.0-g sample of liquid water at
Q132: When 5.00 mol of benzene is vaporized
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents