Mod 1-3
The number of 0.0000000012 in scientific notation.
What is 1.2 x 10^-9?
Lewis structures for Li, Bi, and S.
Check drawing
An example of physical change.
What is a frozen turkey thawing? (will accept other answers)
A product of complete combustion.
What is water or carbon dioxide?
Empirical formula for C12H24O10.
What is C6H12O5?
The chemical formula for aluminum oxide.
What is Al2O3?
Lewis structure for NF3.
Check drawing*
The law that requires all chemical reactions to have balanced equations.
What is the law of mass conservation?
2 NaHPO4 --> 2 Na + H2 + 2 P + 4 O2 is an example of this type of reaction.
What is decomposition?
Definition of limiting reactant.
What is the reactant that runs out first in a chemical reaction and determines the amount of products made?
The covalent molecule out of the following substances: PH3, Mg(OH)2, BeS
What is PH3?
Has the larger radius between P and Mg.
What is Mg?
The balanced chemical equation for HBr + Na --> NaBr + H2.
What is 2HBr + 2 Na --> 2NaBr + H2?
Avogadro's number and what it represents.
What is 6.02 x 10^23 atoms; The number of items in one mole?
Molar mass of H3PO4.
What is 98.0 g/mol?
The electron configuration for Nickel.
What is 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d8?
The chemical formula for ammonium sulfate.
What is (NH4)3PO4?
The density of a liquid that is 23.13 grams and has a volume of 35.0 mL.
What is 0.661 g/mL?
The number of moles in 125 g of NaHCO3.
What is 1.49 moles?
The number of moles of CO2 formed when 21.3 moles of C3H8 is completely combusted in the presence of oxygen.
What is 63.9 moles of CO2?
The energy of light with a frequency of 8.9 x 10^20 Hz.
What is 6.5 x 10^-13 J?
The name of the shape and the bond angle for SiI4.
What is tetrahedral and 109 degrees?
Balanced chemical equation for C7H16 + O2 --> CO2 + H2O.
What is C7H16 + O2 --> 7 CO2 + 8 H2O?
The number of atoms in 457 grams of tungsten (W).
What is 1.50 x 10^24 atoms of W?
The molecular formula of a compound who's molecular mass id 120.0 amu and has an empirical formula of CH2O.
What is C4H8O4?