Ascientist is measuring the pressure that exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen and ritrogenWhich term most likely describes what she is measuring? pressure atmospheric pressure combined pressure partial pressure

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.