Chem Chap 5-7

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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


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