Two iron bolts of equal mass-one at 100. °C, the other at 56°C-are placed in an insulated container. Assuming the heat capacity of the container is negligible, what is the final temperature inside the container (c of iron = 0.450 J/g·K)?

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?

How is it possible for someone to put an ear to a wall and hear someone in the next room?     a. sound waves can travel though solids.    b. the waves travel from room to room via air.    c. there must be some air in the wall so the sound can travel through it.    d. sound waves change to electromagnetic waves and then back again.