In a balloon containing oxygen and nitrogen, the total pressure is 1.3 atm. what is the pressure of oxygen if the pressure of nitrogen is 720 mm Hg?

What type of scientific model does the flow chart represent? (a chart of the scientific process) a. conceptual b. mathematical c. physical d. virtual

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.