Why do scientist use models to study atoms and molecules?

T or F. All the air molecules in this room have the same kinetic energy. Explain your logic.

Which statement describes the energy changes that occur as bonds are broken and formed during a chemical reaction? 1. Energy is absorbed when bonds are both broken and formed. 2. Energy is released when bonds are both broken and formed. 3.

Which formula represents an alkene? A) C4H10 B) C3H6 C) C2H6 D) C5H12

What part of the water cycle involves the leaves of plants

Household bleach is an aqueous solution of sodium hypochlorite (NaClO), and its concentration is often measured as a percent by weight. For example, concentrated household bleach has a concentration of 8.25% (w/w), which means there are 8.

Describe how the periodic table differentiates between metals and nonmetals. I need a very informative description/explanation on this.

When the ideal gas law is arranged as shown below, what property of the gas is being solved for (represented by the X) ? x equals PV over nR

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium

A scientist conducted one trial experiment and got unexpected results. how can the scientist increase confidence in the results

A board measures 212 inches. How many feet is this?