The reaction that takes place in a hydrogen-oxygen fuel cell is
2H2(g)+O2(g)⟶2?
Select...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 04.06.2020 13:30 adriana145
The reaction that takes place in a hydrogen-oxygen fuel cell is
2H2(g)+O2(g)⟶2?
Select the major product of the reaction and determine whether the reaction is exothermic or endothermic.
H2O2 , endothermic
H2O2 , exothermic
H2O , endothermic
H2O , exothermic
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 20:10
Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:50
What are transitions between a liquid and gas called? identify which way they are transitioning
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.03.2020 03:52
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 05.03.2020 03:53
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.03.2020 03:53
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 05.03.2020 03:54
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 05.03.2020 03:55
![question](/tpl/images/cats/mat.png)
Mathematics, 05.03.2020 03:55