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McCormack -Chem Reac
Chemical Reactions
Question | Answer |
---|---|
Is 2 H2 + O2 = 2 H2O a Synthesis or Decomposition reaction? | Synthesis |
What type of reaction is CH4 + 2 O2 = CO2 + 2 H2O ? | Combustion (double replacement) |
What type of reaction is 2 H2O2 = 2 H2O + O2 ? | Decomposition |
What type of reaction is 2 KBr + Cl2 2 KCl + Br2 ? | Single replacement |
What type of reaction is AgNO3 + NaCl = AgCl +NaNO3 ? | Double replacement |
Is Na + and O 2- a Covalent or Ionic bond ? | Ionic |
What chemical formula will Na + and O 2- form? | Na2O |
Name the compound K2O | Potassium Oxide |
Balance the this formula ___ H2 + ____ O2 = ____ H2O | 2 H2 + 1 O2 = 2 H2O |
What type of reaction is 2 H2 + 1 O2 = 2 H2O | Synthesis |
Balanced Chem formulas demonstrate what law? | Law of Conservation of Matter |
Conservation of Matter says? | Matter can neither be created nor destroyed |
Carbon-14 turns into Nitrogen-14 by | Gaining a Proton |
The substances that are at the start of a reactions are | Reactants |
The substances that are new in a reaction are | Products |
Two nonmetals like C & H will form a _____________ bond | Covalent bond |
Carbon will _________ valence electrons with Hydrogen to form Covalent bonds | Share |
Carbon-14 becomes Nitrogen-14 when a ______ turns into a __________ | a neutron turns into a proton |
How many valence electrons does Magnesium transfer to oxygen? | 2 valence elctrons |
Write the chemical formula for magnesium and chlorine using oxidation numbers | Mg Cl2 |
What proper chemical name is H2O | dihydrogen monoxide |
Write the chemical formula for Carbon tetrahydride | CH4 |
What is Calcium's oxidation number? | 2+ |
What is Fluorine's oxidation number? | 1- |
What is the chemical formula for Calcium Fluoride? | Ca F2 |
What kind of bond is Ca & F | Ionic |
An Acid will react with a base and ____________each other | neutralize |
The Number in front of a chemical formula like 3 H20 is the | Coefficient |
The small number to the right and below the element like H2 is | Subscript |
Covalent Bonds will ________ valence electrons | Share |
Ionic Bonds will __________ valence electrons | Transfer |
Metals tend to be ______________ and form Ionic Bonds | Positive |
Nonmetals tend to be ___________ and form Covalent Bonds | Negative |
Positive and Negative charged particles will __________ each other | Attract |
Water (H2O) is a polar molecule so water molecule _________ each other. | Attract |