Which statement describes the relationship between

diagram X and Y?

Everything around us is made of

What is the value for º for the following reaction, given the standard entropy values? Al2O3 (s) + 3H2 (g) → 2Al (s) + 3H2O (g) -35 J/mol·K +35 J/mol·/K +179 J/mol·K -179 J/mol·K

What precipitate is most likely formed from a solution containing ba+2, li+1, oh-1, and co3-2. a. lioh b. caco3 c. li2co3 d. ba (oh) 2?

How much heat is required to raise the temperature of 250.0 grams of mercury 52°C? The specific heat capacity of mercury is 0.14 J/g°C.

Explain whether nuclear or mitochondrial DNA is better for identifying a specific person

What is a neutral atoms oxidation number

Suppose 30 grams of NaCl are placed in 900 mL of water. What is the molarity of this solution?

After a particularly cold day outside you go home to make some tea. you heat the water in the mug so that botch are about 75 degrees celcious. the tea bag is only 30 degrees celcious and the room is around 26 degrees celcious.

For main-group elements using the older numbering system the group number on the periodic table corresponds to which characteristic of the elements of that group

In the vertical columns of the periodic table, as the atomic numbers increase: a. the number of electron shells increases. b. the ionization energies increase. c. the number of electrons in the valence shell increases. d.