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 167 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
:D TYSM

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

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

Did you know?

The horizontal fraction bar was introduced by the Arabs.

The Formation of the Solar System The Formation of the Solar System
Circulatory System: Blood Vessels Circulatory System: Blood Vessels
The Major Components of the Limbic System The Major Components of the Limbic System
The conduction system of the heart. The conduction system of the heart.
The digestive system. The digestive system.
The NFPA 704 marking system. This voluntary marking system is displayed at participating facilities ... The NFPA 704 marking system. This voluntary marking system is displayed at participating facilities ...
Video: How does an animal choose what food to eat?

For a complete list of videos, visit our video library