Are these synthesis decomposition single replacement or double replacements

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

Which of the following words describe the reality that the universe looks the same from various perspective

What information does a complete ionic equation give that the balanced equation doesn’t show?