How many moles of gold atoms do 4.05*1024 gold atoms constitute?

What is predation? How is this biotic limit affected by biomass?

What are the requirements for two atoms to be isotopes of each other?

Crude oil is derived from which of the following materials? 1. Marine Organisms 2. Plants 3. Rocks 4. Salts

Which changes occur when O2 (g) is added to this system? Given the system at equilibrium: 2POCl3 (g) + energy 2PCl3 (g) + O2 (g). A.) The equilibrium shifts to the right and the concentration of PCl3 (g) increases. B.

Shale, a sedimentary rock, can be subjected to high heat and pressure through Choose one: A. exhumation during rifting. B. volcanism during mid-ocean ridge spreading. C. partial melting during hot-spot activity. D.

How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? 4 KNO3 (s) → 2 K2O (s) + 2 N2 (g) + 5 O2 (g)

What was the ratio in the formula for iron (II) oxide

2C18H38 + 5502 → 36CO2 + 38H2O

What is the opposite of osmosis

Acid rain most often damages stone architecture by causing