How can so many different substances in the world be made of so few elements?

What type of sedimentary rocks form from the breakdown of larger rocks

Assuming the volume is constant, if a gas has an initial pressure of 84.0 kPa at 30.0°C, what would the new pressure be at 240.0°C?

Which statement correctly describes a chemical reaction at equilibrium? (1) The concentrations of the products and reactants are equal. (2) The concentrations of the products and reactants are constant.

Describe the differences between bonding in an ionic compound and bonding in a covalent molecule.

What branch of chemistry is most concerned with the study of carbon compounds

Halogens have ... Electron affinity

Observe: Change the Surface area from Minimum to Maximum. You can imagine that a solid reactant has been dissolved in a liquid. How does this change how many Reactant B molecules are exposed to Reactant A?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4