Which gas is found in high percentages in the atmosphere in all of the gas
giants?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

The appropriate concentration for an iodine sanitizer is

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.