A substance releases heat when it changes from

a. liquid to solid

b. solid to gas

c. liquid to gas

d. solid to liquid

This planet is know as the "Red" planet. It has polar ice caps and is believed to have once had liquid water on its surface. This planet has the thickest atmosphere of the inner planets. It has a dull yellowish tent.

The compound fes is an example of a (n) element ionic compound covalent compound atom

A reversible reaction at equilibrium can counteract the stress of an increase in pressure by:

Helium (He), oxygen (O), carbon (C), and selenium (Se) are all nonmetal. Using the periodic table, which pair of these nonmetal has the most similar properties

How many moles of water are in 100 grams

Write the mathematical expression that allows you to solve for the oh - concentration in water when you know only the h3o + concentration.

The role gravity played in the formation of the sun?

What kind of reaction occurs when you mix aqueous solutions of barium sulfide and sulfuric acid?

What is true about empathy? Most anyone can learn this skill. Not everyone can learn this skill. It is a desirable attribute. choices A and C

What effect can new observations have on a scientific theory