Supplying Energy Sustainably (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How much less greenhouse gas does bioethanol produce compared to equivalent fossil fuels?
How much less greenhouse gas does bioethanol produce compared to equivalent fossil fuels?
12%
What % of current crop production would replace 10% of global transport fuels with biofuels by 2050?
What % of current crop production would replace 10% of global transport fuels with biofuels by 2050?
30%
What is the maximum efficiency that fuel cells can achieve?
What is the maximum efficiency that fuel cells can achieve?
85%
What is the only product of hydrogen-oxygen fuel cells?
What is the only product of hydrogen-oxygen fuel cells?
Water
What percentage of hydrogen is currently produced from fossil fuels?
What percentage of hydrogen is currently produced from fossil fuels?
95%
What is hydrogen's energy content by mass in ?
What is hydrogen's energy content by mass in ?
143
Why is hydrogen storage challenging for vehicles?
Why is hydrogen storage challenging for vehicles?
It is a gas at room temperature
At what temperature do microbial fuel cells operate?
At what temperature do microbial fuel cells operate?
At or near room temperature
What is the energy efficiency range of microbial fuel cells?
What is the energy efficiency range of microbial fuel cells?
21-35%
What maximum energy efficiency can some redox flow battery designs achieve?
What maximum energy efficiency can some redox flow battery designs achieve?
85%