Explain the relationship between a mole of a substance and avogadros constant

Explain the metallic bonding in terms of the sparsely populated outermost orbitals of metal atoms.

Classify the following as either chemical or physical property. A) color B) flammability C) hardness D) odor E) taste F) temperature

Summarize a base according to the Bronsted - Lowry definition

How many dozens of doughnuts are in 48 doughnuts

What makes a pure substance different from a heterogeneous mixture? The components of a pure substance are mixed unevenly instead of evenly within the pure substance. Insoluble instead of soluble particles are suspended within the pure substance.

Testing a hypothesis is called a

When molten rock undergoes crystallization above ground, what type of rock results? a. intrusive igneous rock b. extrusive igneous rock c. metamorphic rock d. sedimentary rock

A 150ml sample of hydrochloric acid completely reacted with 60.0mL of a 0.100 M NaOH solution. What was the original concentration of the HCl solution

Rearrange in to a quadratic 5.333 = (0.6 + 2p) ² / (0.135 - p)

How hot would a 2.3 L balloon have to get to expand to a volume of 3.0 L? Assume the initial temperature of the balloon is 24 °C, and that the pressure inside the balloon remains constant. A. 3 K B. 42 K C. 128 K D. 390 K