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

Author Question: A 3.00-kg block of silicon at 60.0C is immersed in 6.00 kg of mercury at 20.0C. What is the entropy ... (Read 19 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
on: Jul 29, 2018
A 3.00-kg block of silicon at 60.0C is immersed in 6.00 kg of mercury at 20.0C. What is the entropy increase of this system as it moves to equilibrium?
 
  The specific heat of silicon is 0.17 cal/(gK) and the specific heat of mercury is 0.033 cal/(gK).
  A)
 
  8.8  10-1 J/K
  B)
 
  4.8 J/K
  C)
 
  6.9 J/K
  D)
 
  5.2  10-2 J/K
  E)
 
  -0.46 J/K

Question 2

How many significant figures are in 0.00054?
 
  A)
 
  2
 
  B)
 
  3
 
  C)
 
  4
 
  D)
 
  5
 
  E)
 
  6


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mbcrismon

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


mspears3

  • Member
  • Posts: 586
Reply 2 on: Jul 29, 2018
Wow, this really help

parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Mercury and Our Moon Mercury and Our Moon
Major Impacts on Mercury and on Our Moon Major Impacts on Mercury and on Our Moon
Mercury as a Pollutant Mercury as a Pollutant
Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ... Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ...
Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme
Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers. Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers.
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library