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Atoms
Compounds
Misc.
Pressure
Laws
100
The smallest particles into which an element may be broken down without changing the identity of the element
What is an atom
100
Pb represents this element
What is lead
100
Example of a chemical change a. melting wax b. mixing paint c. bending steel d. browning meat
What is browning meat
100
The amount of force exerted upon a surface per unit area
What is pressure
100
At constant temperature and pressure, the molar volume of an ideal gas is constant
What is Avogadro's Law
200
The number of protons in an atom
What is the atomic number
200
Symbol for the element silicon
What is Si
200
Not a physical property: a. flammability b. density c. molar mass d. color
What is flammability
200
STP
What is Standard Temperature and Pressure
200
Gas molecules are in constant, rapid motion
What is Kinetic Theory of Matter
300
Number of atoms in exactly one mole of atoms
What is 6.022 X 10 to the 23
300
Formula of copper(II) chloride
What is CuCl2
300
Food coloring is dropped in to water, the dye spreads throughout the water until they are evenly mixed. This molecular process causes the dye and water to mix
What is diffusion
300
1 atm
What is 760 torr
300
In air, nitrogen monoxide gas (NO; also called nitric oxide) reacts rapidly with oxygen gas (NO2). If 2.0 L of NO and 1.0 L of O2 are mixed in a closed container kept at a constant pressure of 1010 mbar and a constant temperature of 300 K, they will react completely to form 2.0L of NO2. What law does this demonstrate
What is Gay-Lussac's Law
400
Dense central portion af an atom
What is the nucleus
400
Molar mass of B2H6
What is 28g/mol
400
Instrument used to measure atmospheric pressure
What is a barometer
400
273.15 and 760 torr
What is Standard Temperature and Pressure
400
the diffusion rate of any gas is inversely proportional to the square root of the gas's molar mass
What is Graham's Law of Diffusion
500
The isotope that the atomic mass unit is defined as relative to
What is carbon-12
500
The name of the compound HF
What is hydrogen fluoride
500
Link between the microscopic and macroscopic levels of chemistry
What is Avogadro's number
500
A sample of nitrogen occupies 1.00 L at a temperature of 250 K. What volume would it occupy at 1500 K
What is 6.00 L
500
Pressure in a container filled with a mixture of gases is the sum of the partial pressures of all the gases in the container
What is Dalton's Law of Partial Pressures