According to Combined Gas Law, which of the following is true? *
1 point
O
If volume increases, pressure increases.
O
If temperature increases, volume increases.
O
If temperature decreases, volume decreases.
O
If volume increases, pressure decreases.

Why is the melting of ice a physical change ?

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.

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.