Scientific models can be used for a variety of different purposes. which of the following statements about scientific models is not true?
a.
scientific models can save money and lives.
b.
scientific models allow scientists to test their predictions.
c.
scientific models allow scientists to study systems that no longer exist.
d.

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

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