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 17 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
YES! Correct, THANKS for helping me on my review

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Winter distribution of the American crow, Corvus brachyrynchos. Winter distribution of the American crow, Corvus brachyrynchos.
Body Temperature Responses Body Temperature Responses
Integumentary regulation of body temperature. Integumentary regulation of body temperature.
The annual pattern of rings changes with ocean temperature and coral health The annual pattern of rings changes with ocean temperature and coral health
Projections of global temperature depend heavily on the level of future greenhouse gas emissions Projections of global temperature depend heavily on the level of future greenhouse gas emissions
Temperature Regulation by the Hypothalamus Temperature Regulation by the Hypothalamus
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library