The molecular formula specifies the actual number of atoms of each element in a molecule.
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Term1/12
What information does a solubility table give
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it tells which compounds will dissolve in water
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What is the mass percent composition of an element in a molecule
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Percentage composition= (mass of the element/mass of the
molecule)*100
The fraction of the molecule's mass that comes from the
element's mass
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What is the correct sequence of steps in the four stroke engine cycle
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air and fuel intake, compression and ignition, combustion and
expansion, exhaust
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How do reactants and products participate in a chemical reaction
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the reactants are compounds that react to form new compounds ,
the products
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What happens when a molecule combusts
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Combines with oxygen
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Which of the following combustion reactions is balanced correctly
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The correct answer is: C5H12 + 8O2 5CO2 + 6H2O.
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What does not benefit of using biofuel instead of fossil fuels
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Fossil fuel may be used in the production of biofuels.
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For his truck Joel purchases gasoline to which oxygen has not been added. What might be the result
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The engine will produce more exhaust.
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Term1/12
Air and fuel intake compression and ignition combustion and expansion and exhaust are sequential steps in
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Definition1/12
The four-stroke engine cycle.
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Term1/12
Hydrogen-powered cars create less pollution than gasoline-powered cars when driven. What might be a challenge to using hydrogen as a fuel
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Definition1/12
Challenges to hydrogen as fuel include no distribution network,
ie gas stations, and fear that the car co u l d explode like the
Hindenburg.
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After driving in stop-and-go traffic in his new hybrid Jesse notices that his car battery's power level has increased. What could be a possible explanation
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each time jesse hits his breaks, the saved energy was stored in the battery -apex
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Cards in this guide (12)
What is a molecular formula
The molecular formula specifies the actual number of atoms of each element in a molecule.
What information does a solubility table give
it tells which compounds will dissolve in water
What is the mass percent composition of an element in a molecule
Percentage composition= (mass of the element/mass of the
molecule)*100
The fraction of the molecule's mass that comes from the
element's mass
What is the correct sequence of steps in the four stroke engine cycle
air and fuel intake, compression and ignition, combustion and
expansion, exhaust
How do reactants and products participate in a chemical reaction
the reactants are compounds that react to form new compounds ,
the products
What happens when a molecule combusts
Combines with oxygen
Which of the following combustion reactions is balanced correctly
The correct answer is: C5H12 + 8O2 5CO2 + 6H2O.
What does not benefit of using biofuel instead of fossil fuels
Fossil fuel may be used in the production of biofuels.
For his truck Joel purchases gasoline to which oxygen has not been added. What might be the result
The engine will produce more exhaust.
Air and fuel intake compression and ignition combustion and expansion and exhaust are sequential steps in
The four-stroke engine cycle.
Hydrogen-powered cars create less pollution than gasoline-powered cars when driven. What might be a challenge to using hydrogen as a fuel
Challenges to hydrogen as fuel include no distribution network,
ie gas stations, and fear that the car co u l d explode like the
Hindenburg.
After driving in stop-and-go traffic in his new hybrid Jesse notices that his car battery's power level has increased. What could be a possible explanation
each time jesse hits his breaks, the saved energy was stored in the battery -apex