How much electricity does a 4-people-household need? What are the saving potentials per year?
Conditions:
--> Number of people: 4
--> Building: Appartement
--> Additional costs: 1200 Euros
--> Additional cost: once a year
--> Zip code 10115 (Berlin)
If you reduce the CO2 emissions to 1.2 t/year (using conventional electricity), how many trees do you need to tie up the amount of CO2?
Calculator
Livia & Ulza
In one weak second, you devour a whole 6-pack of Snickers. About how many hours could you have operated an LED lamp with the energy you consumed at that moment?
100g of snickers contain 2014 kJ
1 bar of snickers is about 50g
the energy consumption of an average LED lamp is about 60 Wh per hour.
(1 Wh = 3600 Ws (Wattsekunde) = 3600 Joule = 3,6 Kilojoule (kJ).
Task 6
[please upload the images again in the correct way]
Tonia & Chiara
You have decided to clean your house after work. You need half an hour to vacuum the whole house. You use a vacuum cleaner with a power of 1600 watts for this purpose.
Besides, the TV has been on for two hours. The TV consumes 70 watts per hour.
How many kWh have you consumed by vacuuming and watching TV?
Karishma & Kamanya