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At standard pressure, during which physical change does the potential energy decrease?
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
When a sample of Ca(s) loses 1 mole of electrons in a reaction with a sample of O2(g), the oxygen
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
Which radioisotope is used to determine the age of once-living organisms?
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
In which process does a heavy nucleus split into two lighter nuclei?
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
Which reaction occurs at the anode of an electrochemical cell?
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
Which process converts mass into energy?
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
At STP, a 12.0-liter sample of CH4(g) has the same total number of molecules as
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
Which substance is an electrolyte?
liquid to solid
carbon-14
H2SO4
12.0 L of CO2(g) at STP
fusion of hydrogen atoms
oxidation
fission
gains 1 mole of electrons
Check it!