What is the difference between a chemical process and and physical process

Chemists study the properties of substances and the particles that compose those substances.

SLO Demonstrate use of dimensional analysis converting from one unit to another through the mole Directions: Answer the following questions. Set-up all problems using the factor-label method of dimensional analysis and show all your work and units.

Which of the following is the correct SI unit to use to measure a length of rope? A) yards B) meters C) feet D) inches

If 355 mL of 1.50 M aluminum nitrate is added to an excess of sodium sulfate, how many grams of aluminum sulfate will be produced?

Which reactions are exothermic?

A substance that speeds up the rate of a chemical reaction is called a. a catalyst. b. a lipid. c. a molecule. d. an element.

How many moles of Mgs203 are in 245g of the compound

A student was trying to obtain lithium by electrolysis of aqueous lithium chloride. Was he successful?

A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.

Is the bonds that cause gaseous Cl2 to become liquid when cooled intramolecular or intermolecular