Chem Chap 5-7
74.80 g/mol
Determine the molar mass of Ca(OH)₂. Provide an answer to two decimal places
1.20 x 10^24
Determine the quantity of molecules in 2.00 moles of P4
3.00 mol Na
Determine the quantity of moles in 1.81 × 10²⁴ atoms of Na
Potassium nitrate
Provide the correct IUPAC name for KNO2
Magnesium fluoride
Provide the correct IUPAC name for MgF2
dinitrogen tetroxide
Provide the correct IUPAC name for N2O4
Strontium sulfide
Provide the correct IUPAC name for SrS
HCl
Write the chemical formula for hydrochloric acid
HgO
Write the chemical formula for mercury (II) oxide
NO2
Write the chemical formula for nitrogen dioxide
Na2S
Write the chemical formula for sodium sulfide
SrO
Write the chemical formula for strontium oxide
2.16 × 10²⁶ atoms
determine the number of atoms of O in 39.9 moles of Al₂(CO₃)₃
1.20 × 10²⁴ molecules P₄
determine the quantity of molecules in 2.00 moles of P₄
covalent bond
sharing of electrons between atoms.
structural formula
shows how atoms of a molecule are arranged, nature of bonding, and type of bonding present.
ionic bond
an electrostatic force of attraction between cations (+ charge) and anions (- charge).
polyatomic ions
an ion composed of two or more atoms.
covalent bonds
molecular compounds contain
3.89 g CO₂
what mass in grams are in 5.32 × 10²² molecules CO₂
OH-
Hydroxide
NH4+
Ammonium
CO3 2-
Carbonate
0.928 g
Determine the mass in grams of 8.55 × 10²¹ atoms of zinc. (The mass of one mole of zinc is 65.39 g.)
1.62 × 10²⁴ atoms
Determine the number of atoms of H in 40.5 grams of C₆H₁₂O₆
1.07 × 10²⁴ molecules
Determine the number of molecules in 30.3 grams of NH₃
6.04 × 10²² atoms N
Determine the quantity of nitrogen atoms in 15.0 grams Pb(NO₂)₂
FeSO₁₁H₁₄
An iron-containing compound is 20.1% Fe, 11.5% S, 63.3% O, and 5.1% H. What is the empirical formula for this compound
NO3-
Nitrate
PO4 3-
Phosphate
Rubidium Nitride
Provide the correct IUPAC name Rb3N
Aluminum phosphate
Provide the correct IUPAC name for AlPO4
Barium hydride
Provide the correct IUPAC name for BaH2
Barium iodide
Provide the correct IUPAC name for BaI2
carbon tetrabromide
Provide the correct IUPAC name for CBr4
Calcium nitrate
Provide the correct IUPAC name for Ca(NO3)2
Sulfur trioxide
Provide the correct IUPAC name for SO3
SO4 2-
Sulfate
4308
What is the mass in grams of 36.20 moles of KBr
3.35 × 10⁻⁷ g
What is the mass in grams of 4.58 × 10¹⁵ molecules of CO₂
52.15 %
What is the mass percentage of C in CH₃OCH₃? Provide an answer to two decimal places
C₆H₆
What is the molecular formula of a compound with an empirical formula of CH and a molar mass of 78.1 g/mol
Be3N2
Write the chemical formula for beryllium nitride
HClO2
Write the chemical formula for chlorous acid
0.29 g C₆H₁₂O₆
determine the mass in grams of 1.6 × 10⁻³ mol glucose, C₆H₁₂O₆
diatomic molecules
exists naturally as two bonded atoms.
molecular formula
gives the actual composition of one molecule
molecules
grouping of two or more atoms held together by covalent bonds.
ionic bonds
ionic compounds contain
ionic compounds
two or more atoms chemically combined or bonded by an ionic bond; generally a combioant of metal and non-metal atoms.
Mercury (I) Sulfide
Provide the correct IUPAC name for Hg2S
CuCl2
Write the chemical formula for copper (II) chloride
P2O5
Write the chemical formula for diphosphorus pentoxide
FeBr3
Write the chemical formula for iron (III) bromide
oxyacids
acids with more than two elements and contain oxygen.
binary acids
acids with only two elements.
molecule compounds
two or more atoms chemically combined or bonded by covalent bonds; generally a combination of non-metal atoms.
compounds
two or more elements chemically combined in fixed proportion by mass.
Cobalt (II) Oxide
Provide the correct IUPAC name for CoO
Chromium (III) Oxide
Provide the correct IUPAC name for Cr2O3
sulfurous acid
Provide the correct IUPAC name for H2SO3 (aq)
iodic acid
Provide the correct IUPAC name for HIO3 (aq)
K2O
Write the chemical formula for potassium oxide
SO2
Write the chemical formula for sulfur dioxide
CO2
Write the formula for carbon dioxide
HI
Write the formula for hydroiodic acid