Which statement about the inner planets is TRUE?
O All inner planets are mostly covered with water.
O The inner planets all have thick, very protective atmospheres.
O Earth is the hottest inner planet.
The inner planets have common types of rocky land forms such as mountains and volcanoes.

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.