Physics, 08.01.2021 20:40 minnahelhoor
Which of the following are examples of chemical energy being released or stored?
A car battery reacting and releasing energy
A girl eating a sandwich which helps her move
Propane burning on a barbecue
I only
I, II, and III
I and III only
I and II only
Answers: 3
Physics, 21.06.2019 20:00
What happens to atoms and chemical bonds during a reaction?
Answers: 1
Physics, 23.06.2019 02:00
Elements that have one valence electron and are very reactive are called
Answers: 1
Physics, 23.06.2019 08:30
Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk. after chatting for a few minutes, she walks 125 meters to the west to meet a friend and then walks 45 meters north with her friend to a cafe for lunch. overall, she takes 10 minutes to do all this. what is maryโs average speed?
Answers: 1
Physics, 23.06.2019 09:00
In this lab you will use a cart and track to explore various aspects of motion. you will measure and record the time it takes the cart to travel certain distances, and then complete some calculations. in the space below, write a scientific question that you will answer by doing this experiment.
Answers: 2
Which of the following are examples of chemical energy being released or stored?
A car battery reac...
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