The graph below shows how the pressure and volume of a gas vary when the
number of moles and the temperature of the gas are held constant. What
happens to the pressure inside a sealed syringe of gas as the volume of the
syringe increases?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility