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MnO is the catalyst in the reaction
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Balance h2o2 h2o o2?
The balanced equation for this decomposition reaction is 2 H2O2 -> 2 H2O + O2.
Why is MnO2 added to the decomposition of H2O2 reaction?
to decrease the activation energy
What if a 50.0 mL o a 0.500 M solution of H2O2 is decomposed what mass of O2 will be produced?
The chemical equation for the decomposition of H2O2 is 2 H2O2 -> 2 H2O + O2. This shows that two moles of H2O2 are required to produce each mole of O2. By definition, a 0.500 M solution of H2O2 contains 0.500 moles of H2O2 in each liter of solution. Solutions are always homogeneous; therefore, 50,0 mL of such a solution will contain (0.500)(50.0/1000) or 0.0250 moles of H2O2. As noted in the first paragraph, this will produce half as many, or 0.0125, moles of O2. The gram molar mass of O2 is twice the gram atomic mass of oxygen, or 31.9988. Therefore, decomposition of this amount of H2O2 will produce 31.9988 X 0.0125 or 0.400 gram of O2, to the justified number of significant digits.
Why does fresh liver react better in H2O2 then boiled liver?
It all has to do with catalase. Catalase is an enzyme and a biological catalyst in the decomposition of H2O2. When its fresh, catalase is still present in the liver. However, when the liver is boiled, the catalase enzyme is denatured (as it is a protein).
Why hydrogen peroxide stored in dark bottles?
Hydrogen Peroxide (H2O2 ) is a chemical compound that decomposes into water and oxygen when exposed to light. This happens because the light energy is sufficient to bring about cleavage in the bond between hydrogen and oxygen in this compound. The dissociated elements again associate to form water ( which is a stable compound ) and oxygen. to prevent H2O2 from decomposition, it should be protected from light.
Balance h2o2 h2o o2?
The balanced equation for this decomposition reaction is 2 H2O2 -> 2 H2O + O2.
What evidence was there that a chemical reaction was taking place in the decomposition of hydrogen peroxide?
The decomposition of H2O2 is exothermic and oxygen is released.
Why is MnO2 added to the decomposition of H2O2 reaction?
to decrease the activation energy
How does H2O2 plus MnO2 causes Carbon dioxide?
It doesn't. MnO2 catalyzes the decomposition of H2O2 into water and oxygen: 2H2O2 -> 2H2O + O2.
What comes when hydrogen peroxide is heated?
The reaction of decomposition is:2 H2O2===========>2 H2O + O2
How does water and oxygen decompose hydrogen peroxide?
The decomposition reaction is:2 H2O2 = 2 H2O + O2
Why hydrogen peroxide is stored in wax lined black colored bottles.?
The purpose is to avoid decomposition of H2O2.
What are the products of the decomposition reaction of hydrogen peroxide?
The products of the decomposition of hydrogen peroxide are water and oxygen, as shown in the following equation: 2 H2O2 → 2 H2O + O2
Why H2O2 is stored in coloured wax?
Hydrogen peroxide, which has the formula H2O2, is preferably stored in dark coloured bottles because visible light can catalyze the decomposition of the peroxide to water and oxygen.
Chemical equation for the decomposition of hydrogen peroxide?
2 H2O2 ---> 2 H2O + O2 + energy, it's exothermic
What is the balanced equation of the decomposition of H202?
2 H2O2 → 2 H2O + O2 Check out Wikipedia's entry on Hydrogen Peroxide
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