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compared to a solution with a pH of 6, the hydronium ion concentration of a solution with a pH of 4 has how many more Times the concentration of hydronium ions?

A 45 L container holds 28 moles of gas at a temperature of 215 K. What is the pressure in atmospheres inside the container?

Compare and contrast the chemical composition and structure of the cytoplasmic membranes found in Bacteria and Archaea. What is the advantage of the archaeal membranes in relationship to the types of environments archaea may inhabit?

When a reaction occurs, what happens to the energy? Energy is always released by chemical reactions. Energy is always taken in by chemical reactions. Energy can be taken in or released by chemical reactions.

Which subatomic particles are found in the nucleus of an atom? Pick one A) electrons and protons B) electrons and positrons C) neutrons and protons D) neutrons and electrons

Which types of orbitals are found in the principal energy level n = 4? A. S, d B. S, p, d, f C. S, p D. S, p, f E. S, d, f

Transport means to move something from one place to another. True False

What are two reasons that ocean water sinks in the Arctic Ocean? A. The surface water is warmer and less salty than normal. B. The surface water is warmer and more salty than normal. C. The surface water is colder and less salty than normal. D.

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases? A) Weak electrolytes do not dissolve in water and can not conduct electricity.

Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?