![subject](/tpl/images/cats/himiya.png)
The decomposition of hydrogen peroxide is a useful way to obtain oxygen. It is a first order reaction with a rate constant of 0.0410 min-1. 2 H2O2 (l) → 2 H2O (l) + O2 (g) If we start with a 3.00% hydrogen peroxide solution, what will its concentration be after 30.0 min?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:30
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 06:00
In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.
Answers: 1
You know the right answer?
The decomposition of hydrogen peroxide is a useful way to obtain oxygen. It is a first order reactio...
Questions
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 20.11.2021 09:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.11.2021 09:20
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 09:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 09:20
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 09:20
![question](/tpl/images/cats/geografiya.png)
Geography, 20.11.2021 09:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.11.2021 09:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 09:20
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 09:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 09:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.11.2021 09:30
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2021 09:30