In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?

O H3PO4
H2SO4
HCIO3
O H20

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Calculate the molarity of each aqueous solution: a. 78.0 ml of 0.240 m naoh diluted to 0.250 l with water b. 38.5 ml of 1.2 m hno3 diluted to 0.130 l with water

Consider the heating curve of h2o and line segments a, b, and c. several changes are taking place at a, b, and c. all but one would be an appropriate description as e move through segments a, b and then c.