Calculate the poh in an aqueous solution with a ph of 7.85 at 25°c

Consider the chemical formula for one unit of aluminum sulfate, Al2 (SO4) 3. How many total atoms would be present in 22 units of aluminum sulfate?

Which of the following obervations would be classified as a physical change? A) Fireworks releasing light B) Antacid fizzing in water C) Steam condensing on a mirror D) Apple turning brown

The greens that code for an organism cell antigens are termed the

The mass of the electron is A) about equal to the neutron. B) almost the same as the proton. C) very small compared to the proton. D) very large compared to the neutron.

The radius of a palladium atom is 137 pm. how many palladium atoms would have to be laid side by side to span a distance of 4.25 mm?

Which statement accurately describes the origin and expansion of the universe

Conversion. 5 km to inches

How many kilojouls are required at 0c to melt an ice cube with a mass of 25g

Which substance is the oxidizing agent in this reaction? 2CuO+C→2Cu+CO2 Express your answer as a chemical formula.

Why does the light bulbs have to be part of the loop in order for it to be succesful?