Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
inorganic
|
The study of chemicals that don't contain carbon found in non living things
|
ex. rocks
|
|
|
Organic
|
The study of things that contain carbon
|
|
|
|
Analytical
|
Composition of matter
|
Exh. Measuring the level of carbon dioxide in the atmosphere
|
|
|
Physical
|
The study of the mechanism, the rate, the energy transfer that happens when matter undergoes change
|
|
|
|
Biochemistry
|
The study of processes in organisms
|
Ex. Muscle contraction, digestion ect.
|
|
|
Micro means...
|
unable to see with the naked eye, microscope is needed
|
|
|
|
Macro means...
|
you can see it with the naked eye, dont need a microscope
|
|
|
|
Lavoisie
|
father of chemistry, discovered nitrogen, discovered the law of conservation of mass
|
|
|
|
John Dalton
|
atomic theory
|
|
|
|
Avogadro
|
discover the mol, 6.02 x 10^23
|
|
|
|
Mendeléev
|
made the first periodic table
|
|
|
|
What is the definition of a theory?
|
a well tested explanation for a broad set of observations
|
|
|
|
What is a Law?
|
A statement that summarizes results of observatons, but does not explain them
|
|
|
|
The law of conservation of energy
|
States that energy is neither created nor destroyed in normal chemical reactions
|
|
|
|
Law of Conservation of Mass
|
States that matter is neither created nor destroyed in normal chemical reactions
|
|
|
|
Exothermic
|
The release of energy into the surroundings
|
|
|
|
Endothermic
|
Absorbs energy from the surroundings
|
|
|
|
Law of definite proportions
|
No matter how much of a substance you have, it is always X percent of the element and X percent of the other element within it by mass
|
|
|
|
Isotopes
|
two or more atoms having the same atomic number but different mass numbers
|
|
|
|
Atomic Mass
|
The mass of one mole of an atom (AMU)
|
|
|
|
How do you find atoms or molecules to moles?
|
1 mole over 6.02 X 10^23
|
|
|
|
How do you find moles to atoms or molecules?
|
6.02 X 10^23 over 1 mole
|
|
|
|
How do you find the mass to moles?
|
1 mole over the number of grams X the atomic number over 1
|
|
|
|
How do you find moles to mass?
|
The number of moles X the atomic number of the element
|
|
