If the moles and volume of a gas are held constant, dropping the temperature from 40 degrees Celsius to 20 degrees Celsius causes would cause an initial pressure of 3 atmospheres to drop to 1.5 atmospheres.

T/F

What type of claim must be supported by scientifically valid evidence for it to be approved for use on a food label? A. Health claim B. Nutrient content claim C. Structure/function claim D. EER

Calculate the radius of an aluminum atom in cm, given that al has an fcc crystal structure, a density of 2.70 g/cm3, and an atomic weight of 26.982 g/mol

Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? A. Water is a reactant B. Electrons are transferred C. Nonmetals and a metal are involved D. Energy is released

What type of bonding requires the complete transfer of an electron from one atom to another?

When two chemicals mix inside an ice pack, the ice pack feels cold to the touch. this type of chemical reaction is known as a (n) ?

How much energy must be added to 2 mol H2O (g) to cause it to decompose into H2 and 02? KJ

How many moles are there in 270.4 g sample of NaOH

Suppose a 10.0 L reaction vessel is filled with 0.86 mol of BrOCl and 0.86 mol of BrCl. What can you say about the composition of the mixture in the vessel at equilibrium?

Formula for zinc nitrate

Definition: One of a class of elements having properties intermediate to metals and nonmetals.