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 54 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 :)

skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Taking a Patient’s Oral Temperature with an Electronic Thermometer Taking a Patient’s Oral Temperature with an Electronic Thermometer
winter leaves winter leaves
Homeostasis is analogous to regulation of temperature via a thermostat. Homeostasis is analogous to regulation of temperature via a thermostat.
The level in the coolant recovery system raises and lowers with engine temperature. The level in the coolant recovery system raises and lowers with engine temperature.
How temperature differences generate wind How temperature differences generate wind
Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ... Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ...
Video: Introduction to Eating Disorders

For a complete list of videos, visit our video library