Urgent!

How does a model differ from a law or a theory?

a.

Models are universal

c.

Theories are only accurate under limited conditions

b.

Models are for all situations

d.

Models are only useful in limited situations

Why is John Dalton known as the originator of atomic theory?

Blueberry high fiber muffins contain 51% dietary fiber by mass. if a package with a net weight of 12oz contains six muffins, how many grams of fiber are in each muffin?

What is the molarity of the sugar (C6H12O6) in the soda? (Note: 1 oz = 0.02957 L.)

Consider the following reaction at equilibrium. What effect will adding 1.4 mole of He to the reaction mixture have on the system? 2 H2S (g) + 3 O2 (g) ⇌ 2 H2O (g) + 2 SO2 (g) Consider the following reaction at equilibrium. What effect will adding 1.

What happens when you mix hydrogen and oxygen?

When can polar bears take care of themselves

What are two objects used to find density

A sample of oxygen gas (O2) at STP has a mass of 48.0 grams. What is the volume of the gas?

What is the oxidation number for Our in NaHCO3?

To determine if a reaction is exoteric a student should use