Chemical Reactions Unit Test

Exothermic

An ______ reaction is one that releases MORE energy than it absorbs

Acid-Base

Ca(OH)2 + H2SO4 —> CaSo4 + 2H2O is what kind of chemical reaction?

Synthesis

In this type of chemical reaction the reactants are 'simple' and form a more complex product

Decomposition

Li2CO3 —-> LiCO2 + CO2 is an example of what kind of chemical reaction?

Double displacement

Occurs when the cations in the reactants of two different compounds trade places

Li3PO4 & H2O

Predict the products of this Acid-Base reaction: H3PO4 + LiOH —>

Single Replacement

The chemical reaction where you use the activity series as a resource to predict if the reaction will occur and where the UN-combined more reactive element replaces an anion to form new products

6

Using the equation 2HBR + I2 —> 2HI + Br2 how many total atoms are present on the reactant side?

3Na2CO2 + Cu3P2 —> 2Na3P + 3CuCO3

What would the BALANCED chemical equation look like for this DD reaction: Na2CO3 + Cu3P2 —> ??? + ???

Decomposition

Which kind of chemical reaction involves the decay of a more complex compound into simpler products

Bubbles rising out of boiling water

Which of the following is NOT an example of a chemical reaction

Combustion

Which type of chemical reaction requires a hydrocarbon and oxygen gas as reactants and will almost always result in carbon dioxide and water as products?

Synthesis

2H2 + O2 —-> 2H2O is an example of what kind of chemical reaction?

Single Replcement

2Na + H2SO4 —> Na2SO4 + H2 is what kind of chemical reaction?