Which condition would lower the salinity of ocean water? A. high rates of evaporation B. freezing of glaciers C. extremely hot weather D. a river flowing into the sea

Which is greater in positive acceleration, initial or final velocity

Find the ratio of the effusion rate of hydrogen gas to the effusion rate of krypton gas. express the ratio of effusion rates to four significant figures.

Which statement best compares the energy involved in melting with the energy involved in boiling for a given liquid?

Global warming can be slowed or stopped

What is the chemical name of the covalent compound P4O9? A. tetraphosphorus nonaoxygen B. tetraphosphate nonoxygen C. tetraphosphide nonaoxide D. tetraphosphorus nonoxide

Who said atoms are neither created nor destroyed in chemical reactions?

How does a campfire involve energy? Is it endothermic or exothermic? What would be the system and what would be the surroundings?

2. What is the electron configuration of an electrically neutral atom of magnesium?

The closeness of a measurement to the actual value of what is being measured

The chemical standard for the quantity of a mole is based on which substance?