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

Author Question: Two identical blocks of iron are placed in contact, one at 10C and the other at 20C. If the cooler ... (Read 93 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jul 29, 2018
Two identical blocks of iron are placed in contact, one at 10C and the other at 20C. If the cooler block cools to 5C and the warmer block warms to 25C, this would violate the
 
  A) first law of thermodynamics.
  B) second law of thermodynamics.
  C) third law of thermodynamics.
  D) none of the above

Question 2

The main purpose of the condenser in the steam cycle of a steam turbine is to
 
  A) cool the steam.
  B) condense the steam.
  C) lower pressure on the back side of the turbine blades.
  D) maintain high efficiency.
  E) change mechanical energy to electricity.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


panfilo

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 29, 2018
Thank you!


softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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.

Banded iron formations Banded iron formations
Translational regulation of ferritin mRNA by the iron regulatory protein (IRP) Translational regulation of ferritin mRNA by the iron regulatory protein (IRP)
Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Iron deficiency anemia blood cells. Iron deficiency anemia blood cells.
Two representations of heme (derived from PDB ID 1CCR). The iron atom Two representations of heme (derived from PDB ID 1CCR). The iron atom
iron iron
Video: Coronary Heart Disease Animation

For a complete list of videos, visit our video library