Term 4 Quiz 1 Thermochemistry Question Preview (ID: 37001)
Thermochemsitry.
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In a reaction between hydrogen and oxygen and forming water, which element is oxidized?
a) Hydrogen
b) Oxygen
c) Water
d) gold, somehow it's gold
The positive electrode in a voltaic cell is known as the ________?
a) Cathode
b) Anode
c) Green
d) The shocky thing
What is the oxidation number of Br2?
a) 0
b) 1
c) 2
d) 3
What is the oxidation number for Sulfer in the Sulfate ion. (SO4)^2-
a) 6+
b) 2-
c) 6-
d) 0
A chemical reaction where heat is a product.
a) Exothermic
b) Endothermiv
c) Adiabatic
d) Isothermal
Heat neither enters nor leaves the system
a) Adiabatic
b) Isothermal
c) Isokinetic
d) Isobutyl
Change of internal energy is equal to Heat and Work
a) Zeroth Law of Thermodynamics
b) First Law of Thermodynamics
c) Second Law of Thermodynamics
d) Third Law of Thermodynamics
The amount of energy required to raise the temperature of one gram by one degree Celsius.
a) The amount of energy required to raise the temperature of one gram by one degree Celsius.
b) Q=mCT
c) The amount of energy required to raise the temperature of one kilogram by one degree Celsius.
d) The amount of energy required to lower the temperature of one gram by one degree Celsius.
The study of heat as it applies to chemistry
a) Thermodynamics
b) Hot Chemistry
c) Quantum dynamics
d) Dynamic reactions
In the unbalanced equation for the reaction: NH3 + CuO → Cu + H2O + N2 the element that undergoes reduction is:
a) Copper
b) Oxygen
c) Hydrogen
d) Nitrogen
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