Chapters 1 & 2
The study of the composition, properties, and interactions of matter
What is chemistry?
A mixture with a composition that varies from point to point
What is a homogenous mixture?
What is positive?
Avogadro's number
What is 6.022x10^23
What is a solute?
A statement that is based on repeated experimentation and is used to describe and predict a natural phenomena
What is a scientific law?
Calories in a cake with 15g of fat, 35g of carbs, and 4g of protein?
What is 291 Calories?
A type of bond where electrons are transferred and ions form
The molar mass of water
What is 18.015 g/mol?
A type of electrolyte that completely dissociates in a solution
What is a strong electrolyte?
The amount of significant figures in the number 0.0085000
What is 5?
The specific heat of iron of a cast iron frying pan that has a mass of 900g and takes 19,000J of energy to raise the temperature by 75 degrees Celsius.
What is 0.281 J/g
The type of compound created when H-O are bound together by covalent bonds
What is a covalent or molecular bond?
AB-->A+B is a _____ reaction
What is a decomposition rection?
A substance that increases the rate of a chemical reaction by lowering the activation energy
What is a catalyst?
The number of meters per second in 400 kilometers per hour
What is 111 meters per second?
The number of neutrons in 176^Hf
What is 104?
The electron configuration for Sulfur
What is 3S^23P^4
The equation for the gas law in which pressure and volume are inversely proportional
What is P1V1=P2V2 (Boyle's Law)?
What each letter in the acronym ICE (for an ICE box) stands for
What is...
I: initial concentration for each substance
C: change in concentration
E: equilibrium concentrates
The number of kelvins in 500 degrees Fahrenheit
What is 533K?
The father of the modern atomic theory
What are C,N,O, and F?
In the ideal gas law (PV=nRt), the value of the gas constant (R) is
What is R=0.0821(L*atom/mole*K)
A chemical system at equilibrium is disturbed and returns to equilibrium by counteracting the disturbance
What is Le Chatelier's principle?