matter
what state of matter has no deinitite shape nor volume
gaseous
What is the answer to the following with the correct sig figs: 12.0m+13.61m+2.6m
28.2m
What do the following symbols mean in a chemical reaction? (s), (I), (g), (aq)
solid, liquid, gas, aqueous
CuSO4 ionic, covalent or acid? Particle type and name
Ionic, formula unit, copper II sulfate
order the EMS waves for increasing energy: Gamma, infrared, microwave, radio, Ultraviolet, visible spectrum, xray
radio, micro, vis, UV, xray, gamma
How many electrons can fit into sublevels s, p, d, f
s: 2 p:6 d:10 f:14
what is the density of 37.72 g of matter whose volume is 6.80 cm3
5.55 g/cm3
what is this reaction type?
2KC1O3(s) 2KC1(s)+30 2(g)
decompostion
Name the following hydrocarbons:
C2H6
C3H6
ethane, propene
N2+H2>NH3
If 4.0 mol of H2 react, how many mols of NH3 will be produced?
2.7 mol
how many valence electrons does aluminum have? what kind of ion does it make cation or anion? what is the charge of the ion?
3, cation, +3
how many molecules are in 3.25 mol of carbon dioxide?
1.96x10^-24 molecules
write and balance the following equation:
CH4+O2>H20+CO2
CH4+2O2>2H2O+CO2
DAILY DOUBLE
N3O5 ionic, covalent or acid? Particle type and name
Covalent, molecule, dinitrogen pentoxide
Surprise: match scientist with discovery
A. Bohr. 1. gold foil(nucleus)
B. Dalton. 2. atom model like planets
C. JJ Thomson. 3. atomic theory
D. Rutherford. 4. Plum pudding model
a-2, b-3, c-4, d-1
which is larger calcium or arsenic? Which has the highest ionization energy Gallium or Indium?
Ca and Ga
what is the percent composition of water?
11.2% H and 88.8% O
What is the complete ionic equation of the reaction between hydroiondic acid and aqueous lithium sulfide?
2H++2I-+2Li++S2-_H2S+2Li++2I-
Name the intermolecular forces:
A. non-polar between all molecules
B. Between polar molecules
C. Between H of one molecule and F, O, N of another
London dispersion, dipole dipole, hydrogen bond
KCIO3> KCI+O2
What mass of KCIO3 is need to produce 0.50 mol of O2
41g
Write the short hand ground state configuration of copper
[Ar]4s13d10
A gas occupies a volume of 2.4 L at 14.1kPa. What volume will the gas occupy at 84.6kPa?
0.40L
Which of the phase changes is an endothermic process:
A. Condensation
B. Evaporation
C. Freezing
D. All phase changes
b
Acid or Base?
1. Red litmus
2. yellow brothymol blue
1. Bitter
2. [H3O+]>[OH-]
3. pH 9.5
A,A,B,A,B
what is the wavelength of light with frequency of 1.4x10^9 The speed of light is 3.00x10^8 m/s
0.21m