Chem 160 quiz over essay
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10 Terms
What reaction takes place in combustion of gasoline? You may assume gasoline is
mostly the hydrocarbon hexane.
2 C6H14 + 19 O2 —> 12 CO2 + 14 H2O + Energy
Why are electric vehicles more emissions-intensive to make?
because their batteries
Which type of car (electric or gasoline) is more efficient?
electric
About how many more grams of CO2/mile does a Toyota Camry produce than a
Chevy Bolt?
385 grams CO2/mile for a toyota camry compared to 189 grams of CO2/mile for a bolt
Why are some electric grids not very green? What can make them greener?
they burn coal/fossil fuels for energy.
What elements are used in electric car batteries that the article mentions?
cobalt and lithium
Is lithium a reducing agent or an oxidizing agent?
reducing
What is the name of the compound emitted from smelting?
SO2
What kind of element is Cobalt?
transition metal
Which type of engine requires more water to produce? Why?
electric because operations use large amounts of water to pump out brines for lithium car batteries