Directions: Select the correct planet. The diagram below shows the orbits of the inner planets around the Sun Based on the diagram, which inner planetas the longest
year?
Nenus
Mercury
Mars
Earth
Sun and planets
not drawn to scale

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms