Biology, 28.02.2021 19:40, lilGi0

III - La résistance chauffante d'un chauffe-eau électrique fournit 5000 joules par
seconde.
Sachant que 85 % de la chaleur fournie est reçue par l'eau.
a- Calculer le temps au bout duquel un litre d'eau pris à la température de 15
commence à bouillir à pression normale.
b- Calculer le temps nécessaire pour faire passer un litre d'eau de 15 C à 85
c- Calculer le temps nécessaire pour chauffer l'eau du chauffe-eau si sa
capacité est 2001.
d- Calculer alors la puissance de cette résistance

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 14:50, viktoria1198zz

"acknowledging a right to benefit from the presence of animals requires government action to ensure human access to animals in a number of different spheres," writes jessica pierce, ph. d., in psychology today. the pragmatic meaning of the term "right" in this statement is

Answers: 2

continue

Biology, 22.06.2019 07:00, Savageboyn

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Answers: 3

continue

Biology, 22.06.2019 10:50, goodluck99

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis

Answers: 2

continue

Biology, 22.06.2019 12:10, 19jcormier

Adescription of a type of bio biotechnology (genetic engineering, cloning, or artificial section) one benefit or one risk for the individual (based on whether you are for or against it) one benefit or one risk for society (based on whether you are for or against it) one benefit or one risk for the environment (based on whether you are for or against it)

Answers: 2

continue

Do you know the correct answer?

III - La résistance chauffante d'un chauffe-eau électrique fournit 5000 joules par
seconde.