Balancing Act
_SnO2+_H2 > _Sn+_H2O
1,2,1,2
The first scientist to realize that elements could exist in the form of molecules rather than as individual atoms; originator of ________’s law.
Amedeo Avogadro
1cal=
4.184J
If an accident occurs-
Report it
If a sample has a mass of 1.25 × 102 g and a volume of 51 mL, what is its density?
2.5 g/mL
_SeCl6+_O2 > _SeO2+_Cl2
1,1,1,3
Founded quantum mechanics when he remodeled the atom so electrons occupied ‘allowed’ orbits around the nucleus while all other orbits were forbidden; architect of the Copenhagen interpretation of quantum mechanics.
Niels Bohr
0*C=
273K
Do not wear-
Baggy clothing
Place the following models about the structure of the atom in the order that they were developed:
1. Planetary model
2. Quantum mechanical model
3. Solid sphere model
3, 1, 2
_Al+_HCl > _AlCl3+_H2
2,6,2,3
Transformed chemistry from a field bogged down in alchemy and mysticism into one based on measurement. He defined elements, compounds, and mixtures; and he discovered the first gas law – _____'s Law.
Robert Boyle
Specific Heat of Water=
4.184J/g*C
Tie back-
long hair
The formula for magnesium chloride is -
MgCl2
_Na3PO4+_HCl > _NaCl+_H3PO4
1,3,3,1
_____’s Atomic Theory is the basis of chemistry; discovered Gay-Lussac’s Law relating gases’ temperature, volume, and pressure; discovered the law of partial gas pressures.
John Dalton
6.02x1023
During testing, wear-
safety equipment
AB + energy → A + B
The general equation shown is a reaction that is an -
endothermic decomposition
12,1,4,6
Devised an atomic theory featuring tiny particles always in motion interacting through collisions; advocated a universe containing an infinity of diverse inhabited worlds governed by natural, mechanistic laws rather than gods;
Democritus
1 atm=
760mmHg, 14.7psi, 101.3kPa
Don't point a _____ at another student while heating it
test tube
Al(s) + 3AgNO3(aq) → Al(NO3)3(aq) + 3Ag(s)
This equation represents which type of chemical reaction?
Single-replacement