Calculate AH for the reaction of sulfur dioxide with oxygen.
250 2 (g) + O2(g) - 250 3 (g)

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !

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.