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JEOPARDY!. Reactions Test Review. Chemical Formulas 100. How many different elements are represented in the formula NH 4 OH?. Chemical Formulas 500. What does the coefficient tell you about a molecule? 5H 2 O. Chemical Formulas 300.
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JEOPARDY! Reactions Test Review
Chemical Formulas100 How many different elements are represented in the formula NH4OH?
Chemical Formulas500 What does the coefficient tell you about a molecule? 5H2O
Chemical Formulas300 How many new substances are created during the following reaction? Na + H2O NaOH + H2
Chemical Formulas400 How many atoms of each element are in the chemical 2Cu(NO3)2?
Chemical Formulas200 How many atoms of each element are in the chemical 4NaOCl2?
Chemical Reactions100 What 2 things can happen to the heat energy during a chemical reaction?
Chemical Reactions200 Wood burning is an example of an ____________________ reaction.
Chemical Reactions300 The starting materials, or items on the left side of the chemical equation are called the _________________.
Chemical Reactions400 The law of conservation of mass says that energy will never be created or ______________.
Chemical Reactions500 In the following equation: S + Fe FeS, if you have 8 grams of S, how many grams of Fe would you need to produce a total of 20 grams of FeS?
Vocabulary100 A ___________ is a shorthand notation that represents a compound or chemical.
Vocabulary200 Describe the heat energy in the following reaction:
Vocabulary300 The 2 in the formula Ag2S is a _____________.
Vocabulary400 The part of the atom involved with bonding are called ________________.
Vocabulary500 A(n) _________________ reaction absorbs heat energy making the inside of the reaction warmer, but the outside temperature cooler.
Balancing Equations100 H2 is on which side of the equation below? H2+ O2a H20
Balancing Equations400 Balance the following equation: Fe + O2a Fe2O3
Balancing Equations300 In the following equation, what MUST be true about CO2 and H2O when compared to CH4 and O2 ? CH4+ O2 CO2 + H2O
Balancing Equations500 Balance the following equation: Ba(CN)2 + H2SO4a BaSO4 + HCN
Balancing Equations200 Is the following equation balanced? NH4OH a NH3 + H2O