TIMED TEST Two helium isotopes fuse to form beryllium as shown below. The mass of beryllium is 2.73 x 10-7 kg less than the combined mass of the two helium atoms. How much energy was produced during this reaction? The speed of light is 3x108 m/s. Show your work. Use E=mc2.

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.