the initial volume of water in a graduated cylinder was 27cm^3 and the final volume of water once an irregularly shaped object was dropped into the graduated cylinder was 38cm^3. The volume of the object iscm^3. Do not include units in your answer.

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?