Chemistry, 12.12.2019 08:31 kayla232734

When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a fuel cell, oxygen reacts with hydrogen to produce 23 kilojoules of useful energy. the rest of the energy is lost as heat. what’s the efficiency percentage of the fuel cell?

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 00:30, xoxokaydavis5837

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

Answers: 1

continue

Chemistry, 22.06.2019 09:20, domp40

Explain that newton first law, second law and third law of motion?

Answers: 2

continue

Chemistry, 22.06.2019 21:00, rah45

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

Answers: 1

continue

Chemistry, 22.06.2019 22:00, genyjoannerubiera

What mass of glucose is produced when 54g of water react with carbon dioxide

Answers: 1

continue

You know the right answer?

When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a f...