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The volume of a liquid  is 3.975 ml. Which digit is estimated?

What happens to the volume of a gas when you double the number of moles of gas? (temperature and pressure are constant)

What is the concentration of H⁺ (or H3O+) in  2.0 M acetic acid, HC2H3O2?

The discussion board assignments are designed to utilize the course community component that is often missing in online courses when you aren’t really “seeing” your classmates or professor on a regular basis. It also helps show me what you think about course content and gives me an opportunity to answer student questions. Did you like the discussion boards? Would you like to have more guidance and instruction as far as what I’d like you to post about in these boards or did you like the open-ended nature of the question prompts? How can I tweak these assignments and activities to make the course better?

 Which of the following statements is TRUE for gases? 1.  The temperature of a gas is inversely proportional to its pressure. 2.  The volume of a gas is directly proportional to the pressure. 3.  The pressure of a gas is due to collisions of the gas molecules.

Which solution below is considered to have basic character?

Which is the weakest type of radiation?

If an equation is endothermic in the forward direction, it would be exothermic in the reverse direction.

When an acid reacts with a metal, what is one of the usual products?

When GDP is measured as __________, the total value of output is computed by adding up the income of all sectors.