Which process is a chemical change?

(1) melting of ice

(2) boiling of water

(3) subliming of ice

(4) decomposing of water

The atomic mass of Aluminum is 26.98154 g/mol. Is it possible to have 5.0*10-25g of Al

Describe the type of force which exists between particles in an ideal gas. A) There are strong attractive and repulsive forces between gas particles. B) There are no attractive or repulsive forces between gas particles.

Based on its location on the periodic table, which metal is likely to be less reactive than rubidium and more reactive than calcium? potassium (K) cesium (Cs) magnesium (Mg) titanium (Ti)

Filtration, decantation, and evaporation are examples of ways in which scientists distinguish between elements and compounds separation by chemical means separation by physical means ways in which scientists separate compounds

What is the name of this compound? CH3-CH2-CH2-CH2-O-C6H5 butylphenyl ether cyclohexylbutyl ether phenylbutyl ether butylcyclohexyl ether

What is the two significant figure of 11.76 cm^2? Rounded Answer

What happens to the size of a metal element as it becomes a cation? a. it increases b. it decreases c. it remains the same d. it is impossible to tell unless you know the specific element

Heat that flows by conduction is the transter of thermal energy between substances in contact. What must occur for this to happen? The two systems must be the same temperature, The two systems must not be touching each another.

What piece of information connects mass and moles?

What relationship can be seen in an element's placement within a group and its electron configuration?