This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: On a winter day the temperature drops from 15C to 25C overnight. If a pan sitting outside contains ... (Read 15 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Jul 28, 2018
On a winter day the temperature drops from 15C to 25C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?
 a. 0.1 kcal
  b. 1 kcal
  c. 4 kcal
  d. 0.4 kcal

Question 2

Spectrographic analysis of light from a distant galaxy shows that the galaxy is receding from Earth at v = 0.384 c. Use Hubble's law with H = 17 km/s/106 lightyears to estimate the distance to the galaxy.
 a. 3.3  108 lightyears
  b. 6.8  109 lightyears
  c. 9.9  108 lightyears
  d. 2.2  109 lightyears
  e. 6.5  106 lightyears


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


deesands

  • Member
  • Posts: 514
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Temperature and Color Temperature and Color
Summer and Winter Solstices Summer and Winter Solstices
Summer and Winter Solstices Summer and Winter Solstices
Predicted Temperature Trends Through the 21st Century Predicted Temperature Trends Through the 21st Century
How much the temperature will rise depends on many factors that affect the level of GHG emission How much the temperature will rise depends on many factors that affect the level of GHG emission
Calculate KP for the following reactions at the indicated temperature. Calculate KP for the following reactions at the indicated temperature.
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library