Предмет: Физика, автор: kokingon

Яка маса срібла відкладається на катоді за 2 години при сили струму в електроліті 0,5 А? Помогите. Пожалуйста

Ответы

Автор ответа: 555ai555

1

Ответ:

Объяснение:

t=2 години = 7200c

I=0.5A

к= 1,1179 мг /Кл - электрохимический эквивалент серебра

m=?

По закону Фарадея

m=I*k*t = 0.5*1.1179*7200 ==4000 мг = 4 грамма

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: ksu3110

When I was a child, my mother advised me to study. She did not want me to lose out on a quality education. (Therefore, Although, Nevertheless) ______________________________________ she forbid me to watch (too/enough/hardly) ______________________________________ much television. Instead, she would tell me to practice ______________________________________ piano. I absolutely hated when my mother made me (to play)______________________________________ it. So, while most of my friends were busy chatting online with each other, I (to practice) ______________________________________. Well, today I (had better/must/may) _________________________________ thank her. As a well-known pianist who travels around the world, I am happy that she convinced me to appreciate hard work. I (never, to get) ______________________________________ where I am today without her focus on education and practice. Nowadays, besides giving concerts, I mentor children. When I am asked about the person who motivated me to pursue my career, I tell them it was my mother. She was the one who believed in my talent. It was one of the many things that (to give) ______________________________________ to me and I simply did not ignore it. Today I am looking forward ___________________________________ the new gifts that will be given to me and be sure this time (nobody/anybody/somebody) ______________________________________ needs to motivate me. I will jump on the opportunity to work hard and to be the best.

1 год назад

Предмет: Английский язык, автор: ksu3110

Помогите пожалуйста заполнить задания по грамматике.
Jellyfish (to find) ____________________ during the summer months in the water close ____________________ the shore and on the beaches of the Mediterranean. For bathers, they are nasty creatures (who/that/which/whose) ____________________ sting can be painful. For beach-lovers, they are ____________________ nuisance because they rarely get washed up onto the beach where they die, leaving a terrible smell. Jellyfish vary (wide/widely/hardly/well) ____________________ in their size and colour; they range from a few millimeters across to six feet in diameter, with tentacles 100 feet long. Some are extremely dangerous. An Australian species of jellyfish, called a sea wasp, looks like a box and has the most deadly venom in the world in its sting. It (must/can/should/ought to) ____________________ kill a man very quickly. Jellyfish (to exist) ____________________ for millions of years, and scientists believe that they will survive (before/as long as/after/as far as) ____________________ there are oceans on earth. At a time of (disappearing, disappeared, disappear, disappearance)____________________ species and fear for our planet, jellyfish continue to multiply. (In addition to/Owing to/Furthermore/Whereas) ____________________, there are species in the depths of the ocean that we haven't even seen yet.

1 год назад

Предмет: Русский язык, автор: алимали

как пишется ростет или растет

1 год назад

Предмет: Математика, автор: Kisa311

Решите задачу пж.

Из пункта А одновременно в противоположных направлениях
выехоли два автомобиля.Через 3 часа расстаяние между ними было ровно 330км.
С какой скоростью двигался первый автомобиль ,если известно,что скорость второго автомобиля 75км/ч?

8 лет назад

Предмет: Математика, автор: addd13

7,5:3,5=x:14 решите плииз

8 лет назад