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

Author Question: In what direction did the heat flow in this experiment? ... (Read 21 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Jul 28, 2018
In what direction did the heat flow in this experiment?

Question 2

A battery has some internal resistance. Can the potential difference across the terminals of the battery be equal to its emf?
  1.No.
  2.Yes, if the battery is absorbing energy by electrical transmission.
  3.Yes, if more than one wire is connected to each terminal.
  4.Yes, if the current in the battery is zero.
  5.Yes; no special condition is required.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 28, 2018
Answer to Question 1

Heat flowed from the water (hot) to the ice (cold).

Answer to Question 2

4


fnuegbu

  • Member
  • Posts: 539
Reply 2 on: Jul 28, 2018
Excellent

bigcheese9

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

« previous next »
 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli. Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli.
(a) Yucca baccata in full flower; (b) a Yucca moth, Tegeticula planella, ovipositing on a Yucca flow (a) Yucca baccata in full flower; (b) a Yucca moth, Tegeticula planella, ovipositing on a Yucca flow
Direction of Movement of Extraocular Muscles Direction of Movement of Extraocular Muscles
Heat Index Heat Index
Control of BP and Blood Flow Control of BP and Blood Flow
how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C? how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C?
Video: Heart Chambers

For a complete list of videos, visit our video library