How many atoms are in 3.23 grams of copper

What's the break up of rock caused by mechanical or chemical processes

How do I balance this H2 + O2 = H2O

What is the function of the occipital lobe?

What is the correct equilibrium constant expression for this equation? 2C0F, (g) CO2 (g) + CF_ (g)

What is a pathway for the flow of electricity?

A piece of glass with a mass of 32.50 g specific heat of 0.840 J/g*°C and an initial temperature of 115 °C was dropped into a calorimeter containing 57 g of water (specific heat 4.184 J/g*°C).

Which of the following is the most likely description of the product or products of a double-displacement reaction? A) one new compound B) two new compounds C) oxygen and energy D) one new compound and an element

A balloon is filled with 12L of air at a pressure of 2 atm. What is the volume of ballon if the pressure is changed to 3 atm?

What ionic bond occurs between what particles? A. Two Negative Ions B. A positive and negative ion C. Two positive ions D. Two neutral atoms

Which of the following are good traits of a hypothesis? it will be able to be tested it can predict an outcome it will explain the observations all of these