Consider the reaction represented by the equation below.
HClO4(aq) + H2O(l) → H3O+(aq) + ClO(aq)
Which substances are present in the greatest concentrations?

a-HClO4 and H2O

b-HClO4 and ClO

c-H3O+ and ClO

d-H2O and H3O+

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that