A system releases 680 kj of heat and does 150 kj of work on the surroundings. what is the change in internal energy of the system?

Which of the following is a common sports injury? Question 9 options: A) Stroke B) Heart attack C) Blood clot D) Bruises

What is electrical energy converted to inside a toaster?

You notice a solid air freshener seems to disappear over time. you think it must be changing into a gas. this is an example of

When an electromagnetic wave has more energy than radio but less energy than visible light, which electromagnetic wave is used X-ray, gamma ray, microwave, ultraviolet radiation

Listed following are three possible models for the long-term expansion (and possible contraction) of the universe in the absence of dark energy.

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.