The volume of a fixed amount of gas is doubled, and the absolute temperature is doubled. according to the ideal gas law, how has the pressure of the gas changed?
a.) it has increased to two times its original value.
b.) it has increased to four times its original value.
c.) it has decreased to one-half its original value.
d.) it has stayed the same.

A.(nh4)(2co3)is the correct answer 

Ibelieve the answer is b.2200 watts, because p=vi; p=220(10); then p=2200hope my answer has you : )

The phase where ice changes directly to gas is called sublimation 

Answerthe half-reaction having the greatest tendency to occur at the anode:     i₂(aq) + 2e⁻  ⇄ 2i⁻  ;   e = +0.53 v======oxidation occurs at the anode. we must therefore find the half-reaction with the greatest tendency to oxidize.the given values of e are reduction potentials (the form of the half-reactions are of reduction).the lower the reduction potential, the higher the potential to oxidize. the half-cell with the lowest reduction potential will have the greatest tendency to oxidize at the anode.the half-reaction having the greatest tendency must be    i₂(aq) + 2e⁻  ⇄ 2i⁻    e = +0.53 vbecause its reduction potential is the lowest out of the three.