Term 3 Quiz 1 Question Preview (ID: 35150)


This Is A Quiz To Review Stoichiometry As Well As Types Of Reactions. TEACHERS: click here for quick copy question ID numbers.

Classify the following reaction: 2H2 + O2 ⇒ 2H2O
a) Decomposition
b) Combustion
c) Single Replacement
d) Combination

Write the chemical equation for the compound that is formed by reacting lithium with Sulfur
a) Li2S
b) LiS2
c) Li2SO4
d) Li5Si

Classify the following reaction: 2H2O2 ⇒ 2H2O + O2
a) Combination
b) Combustion
c) Decomposition
d) Single Replacement

What is the molar mass of Lithium
a) 7 gram/mol
b) 22 gram/mol
c) 3 gram/mol
d) An isosceles triangle

If I react 2 moles of Sodium (Na) with 1 mole of Chlorine gas (Cl2) what will my products weigh
a) 23 grams
b) 35 grams
c) 128 grams
d) 116 gram

Ether Alcohol is combusted to make Water and CO2. What is true of the products
a) They have different properties than the reactants.
b) They have the same properties than the reactants.
c) They have the same properties as Alcohol
d) Reactants are the same as products

Water tends to Dissolve which types of bonds
a) Hydrogen Bond
b) James Bond
c) Covalent Bond
d) Ionic Bonds

How can Water Skeeters Stay on top of Water
a) Waters hydrogen bonds
b) They are really Jedi bugs
c) Water Skeeters are not heavy
d) Magnetism

Which of the following types of bonds are the most effective at electrical conductivity?
a) Covalent
b) Metallic
c) Ionic
d) Mechanical

Which of the following is a chemical property
a) The hardness of an object.
b) Release of pheramones
c) The weight of an object
d) Electrical Conductivity

Write the chemical equation for the compound that is formed by reacting lithium with Sulfur
a) LiS2
b) Li2S
c) Li5Si
d) Li2SO4

What is the molar mass of Water
a) 18 g/mol
b) 16 g/mol
c) 10 g/mol
d) 42

What is the molar mass (mass of one mole) of Methane gas CH4?
a) 13.008 grams
b) 16.042 grams
c) 9.032 grams
d) 13.069 grams

a subscript of (aq) means what
a) the sample came from under the sea
b) It is a Liquid
c) It is dissolved in water
d) It is Solid

What is the definition of a chemical reaction
a) Bonds are broken or formed
b) I have a cookie
c) The material shrinks
d) don't tell anyone about the cookie I don't want to share.

What is the definition for a limiting reactant
a) a reactant that is used up completely in reaction
b) chemical compound formed when an acid neutralizes a base
c) all reactants are used up in a reaction
d) Dissolving of ionic bonds when placed in water

Balance the Equation:____ C3H8 + ____ O2 ⇒ ____ CO2 + ____ H2O
a) 1, 2, 3, 4
b) 1, 4, 3, 4
c) 4, 3, 2, 5
d) 1, 5, 3, 4

Write the chemical equation for the Covalent compound Nitrogen Monoxide
a) NO
b) NO2
c) N2O
d) NCO

Write and balance the chemical reaction for Potassium metal and chlorine gas combine to form potassium chloride.
a) 2 K + Cl2 ⇒ 2 KCl
b) K + 2Cl ⇒ 2 KCl
c) K + Cl2 ⇒ 2 KCl
d) K + Cl ⇒ KCl

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