« previous next »

Author Question: 330 g of water at 45C are poured into an 855 g aluminum container with an initial temperature of ... (Read 130 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
on: Jul 29, 2018
330 g of water at 45C are poured into an 855 g aluminum container with an initial temperature of 10C. The specific heat of aluminum is 900 J/(kgK).
 
  What is the final temperature of the system, assuming no heat is exchanged with the surroundings? A) 28C
  B) 32C
  C) 31C
  D) 33C
  E) 35C

Question 2

Fluorescent minerals on display in museums are illuminated with
 
  A) infrared light.
  B) ultraviolet light.
  C) often either or both
  D) none of these


Zebsrer

  • Sr. Member
  • ****
  • Posts: 284
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Mechanoreceptors in the lateral line system that detect changes in water movement. Mechanoreceptors in the lateral line system that detect changes in water movement.
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
Water caltrop Water caltrop
Maya Lin, Disappearing Bodies of Water: Arctic Ice. Maya Lin, Disappearing Bodies of Water: Arctic Ice.
Negative Feedback and Temperature Control Negative Feedback and Temperature Control
Hydrozoan. Hydra, a freshwater species capturing and digesting a water flea. Hydrozoan. Hydra, a freshwater species capturing and digesting a water flea.
Video: Effect of the environment on coat color in the Himalayan rabbit Animation

For a complete list of videos, visit our video library