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

Author Question: An ice cube melts and cools the surrounding beverage. (The ice cube is the system.) Which of the ... (Read 166 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Aug 27, 2018
An ice cube melts and cools the surrounding beverage. (The ice cube is the system.) Which of the following statement is correct?
 
  A) The system loses heat to the surroundings.
  B) The system gains heat from the surroundings.
  C) The system does work on the surroundings.
  D) The surroundings does work on the system.

Question 2

The two protein chains in insulin are held together by ________.
 
  A) disulfide linkages
  B) hydrophobic interactions
  C) hydrogen bonds
  D) salt bridges
  E) All of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mrphibs

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A


ARLKQ

  • Member
  • Posts: 571
Reply 2 on: Aug 27, 2018
Gracias!

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

The human gustatory system. The human gustatory system.
Gene editing using the CRISPR-Cas9 system. Gene editing using the CRISPR-Cas9 system.
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (c) The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (c)
The Conduction System The Conduction System
The Digestive System The Digestive System
Components of the lymphatic system Components of the lymphatic system
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library