1) Identify which reaction is NOT a chemical reaction.

A) H2O (g) → H2O (l)

B) 2H2O (l) → 2H2 (g) + O2 (g)

C) AgNO3 (aq) + Cu (s) → Ag (s) + CuNO3 (aq)

D) Pb (NO3) 2 (aq) + 2 NaI (aq) → PbI2 (s) + 2 NaNO3 (aq)

How was the noble gas argon discovered

The chemical and physical actions of groundwater form what?

What is the formula for a compound made from silver (ag) and oxygen (o) ?

In the following diagram the counter clockwise torque is?

Compare solids, liquids, and gases in terms of their shapes and volumes.

What is the natural process by which yeast converts sugar into carbon dioxide and alcohol called?

What is the kinetic energy of a 55 kg girl walking at a velocity of 2m/s?

Name the compound K3 (PO4) 3

How many grams of silver chloride (AgCl) can be produced if you start with 12.5 grams of barium chloride (BaCl2) ? 2AgNO3 + BaCl2 = = > 2AgCl + Ba (NO3) 2

Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese (IV) oxide. 4 HCl (aq) + MnO 2 (s) ⟶ MnCl 2 (aq) + 2 H 2 O (l) + Cl 2 (g) 4HCl (aq) + MnO2 (s) ⟶MnCl2 (aq) + 2H2O (l) + Cl2 (g) A sample of 43.