Which of the following has the greatest mass, in grams?1) 1 atom of gold (Au) 2) 1.0 mol mercury (Hg) atoms 3) 2.0 mole of chlorine (Cl) atoms 4) 25 atoms of mercury (Hg)

What events caused the formation of most islands in the South Pacific? A) earthquakes B) hurricanes C) meteors D) volcanoes

A scientist isolates a water-soluble compound from spider venom. the substance has nitrogen, carbon, hydrogen, and oxygen in its chemical structure.

At a given temperature, 4.92 atm of Cl2 and 4.65 atm of Br2 are mixed and allowed to come to equilibrium. The equilibrium pressure of BrCl is found to be 1.597 atm. Calculate Kp for the reaction at this temperature. Cl2 (g) + Br2 (g) 2 BrCl (g).

What is the mass (in amu) of a carbon-12 atom? Why is the atomic mass of carbon listed as 12.01 amu in the table on the inside front cover of this book?

Which unit is used to express an amount of thermal energy

What is the correct term for water Atom element product reactant

Do carbon atoms gain, lose, or share electrons?

In aqueous solution the ag ion forms a complex with two ammonia molecules. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex.

Which samples are substance? (A) HCI (aq) (B) NaCI (aq) (C) HCI (g) (D) NaCI (s)

2. If you add water to dilute a solution, what happens to the molarity of the compound in the solution? Explain