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 166 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?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Proportions of the genetic and physical maps are similar but not identical Proportions of the genetic and physical maps are similar but not identical
iron iron
When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ... When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ...
viable surface sampling using contact plates viable surface sampling using contact plates
Cut the figure into two identical parts Cut the figure into two identical parts
Video: Spinal Cord Injury Animation

For a complete list of videos, visit our video library