[Answered] Calculate the change internal energy (E) for a system that is giving off 45.0 kJ of heat and is ...

This topic contains a solution. Click here to go to the answer

Author Question: Calculate the change internal energy (E) for a system that is giving off 45.0 kJ of heat and is ... (Read 108 times)

Diane

Hero Member
Posts: 576

on: Aug 27, 2018

Calculate the change internal energy (E) for a system that is giving off 45.0 kJ of heat and is performing 855 J of work on the surroundings.

A) 44.1 kJ
B) -44.1 kJ
C) -45.9 kJ
D) 9.00 102 kJ
E) -9.00 102 kJ

Question 2

When covalent bonds are broken energy is released.

Indicate whether the statement is true or false

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

aruss1303

Sr. Member
Posts: 314

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

FALSE

Diane

Hero Member
Posts: 576

Reply #2 on: Aug 27, 2018

Thanks

aruss1303

Sr. Member
Posts: 314

Reply #3 on: Aug 27, 2018

Welcome

« previous next »

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Paranasal sinuses are part of the upper respiratory system.

Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones

Historical U.S. Energy Use

Hares and Lynx population change "الأرانب البرية و الوشق"

Heat Patterns

Most Americans obtain their drinking water from a community water system

Author Question: Calculate the change internal energy (E) for a system that is giving off 45.0 kJ of heat and is ... (Read 108 times)

Related Topics

Need homework help now?