PoPS Mid-Term Review

What type of reaction does this graphic represent?

• Decomposition
• Double-replacment
• Single-replacment
• Synthesis

What type of reaction does this graphic represent?

• Decomposition
• Double-replacement
• Single-replacment
• Synthesis

What type of reaction does this graphic represent?

• Decomposition
• Double-replacment
• Single-replacement
• Synthesis

What type of reaction does this graphic represent?

• Decomposition
• Double-replacment
• Single-replacment
• Synthesis

Which of the following is a balanced chemical equation?

• AgNO₃ + NaCl → 4AgCl + 2NaNO₃
• 2AgNO₃ + 2NaCl → 3AgCl + 2NaNO₃
• AgNO₃ + NaCl → AgCl + NaNO₃
• AgNO₃ + 2NaCl → AgCl + 3NaNO₃

Tags

NGSS.HS-PS1-7

Each substance on the left side of the arrow in a chemical equation is a ____.

• catalyst
• coefficient
• product
• reactant

Tags

NGSS.MS-PS1-5

A substance that speeds up a chemical reaction without being permanently changed itself is a(n) ____.

• catalyst
• coefficient
• inhibitor
• reactant

A chemical reaction in which heat energy is released is ____.

• endothermic
• exothermic
• flammable
• none of these

Tags

NGSS.HS-PS1-4

Numbers that precede symbols and formulas in a chemical equation are ____.

• catalysts
• coefficients
• superscripts
• subscripts

According to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

• There is no relationship.
• The mass of the products is greater.
• The mass of the reactants is greater.
• The masses are equal.

Tags

NGSS.MS-PS1-5