PLZ While cleaning my room, I use 5 Newtons of force to lift a board game from the floor to the shelf in my closet that's 2 meters high. How much work was done on the board game?

10 Joules

10 Watts

2.5 Watts

2.5 Joules

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed