Does the energy go from the surrounding to the chemicals or from the chemicals to the surround in an exothermic reaction?

How do stars keep their spherical shape?

A solid and a liquid are shaken together in a test tube to produce a clear blue liquid. Which of the following best describes the behavior of the above pair of substances? -soluble -insoluble -miscible -immiscible

What is the number of orbital's in a d sublevel

How r thermal energy and heat related?

Explain why water does not heat up or cool off as quickly as air does.

When an object is lifted 6 meters off the ground, it gains a certain amount of potential energy. If the same object is lifted 18 meters off the ground, its potential energy is A. six times as much. B. the same. C. three times as much. D.

How many moles of oxygen gas are there in 6.02 x 10 the the 24th power?

In the chemical laboratory why do scientists use a mortar and pestle

Which feature is found only in prokaryotic cells A) plasmid B) flagella C) cytoplasm D) cell membrane

True or False? Not all compounds will dissolve in water.