During a chemical reaction atoms can be rearranged or destroyed but not created

True

False

Wo objects attract each other with a gravitational force of 50 newtons from a given distance. If the distance between the two objects is increased by 5 times, what will be the changed force of attraction between them?

A circuit has a current of 1.2 A. If the voltage decreases to one-third of its original amount while the resistance remains constant, what will be the resulting current? 03A 0 0.4A 0 12A G 3.6A

Describe how matter cycles through an ecosystem

Describe ehat happens at the molecular level during meilting

The humber bridge in england has the world's longest single span, 1410 m. calculate the change in length of the steel deck of the span when the temperature increases from - 3.0 ∘c to 18.5 ∘c.

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?