Do pressure and temputer remain consant in earth interior

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

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.

True or false exosphere is the least dense