How many gallons of 30% liquid caustic does it take to raise the ph of 1,000 gallons of water from 7ph to 8ph

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

Which metal exist in liquid state and can be cut with knife ?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space