Nitrogen increases volume during what physical change

Can anyone answer these questions? ? i need it before 1: 00pm today

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.

Which compound should undergo substitution of the bromine by phenolate anion? draw the structure of the organic product?