Question

A tourist guide wants to make on a cold morning at the top of Ras Dashen. Instead of water he got ice at -10°c. He know that water boils at 90°c and freezes at 0°c. How much electrical energy should he use to get boiling water of 0.1kg to make tea? (Use Lf=334J/kg, Cice=2.1k J/kg'c, Cw=4.2k J/kg°c).​

Answer 1

Step-by-step explanation:

At 14,930 ft., Ras Dashen is the highest mountain in Ethiopia and the 10th highest in Africa. It is located in the Amara region of the Simien Mountains, a world heritage site. Hiking in the Simien Mountains and summiting Ras Dashen is a magnificent experience. The landscape is stunningly beautiful and the local people you will see and meet along the trail are incredible. It is both a wondrous hiking and cultural experience.