chem

posted by .

24. Hydrogen peroxide can decompose to water and oxygen according to:


2H2O2 (l) + -----------> 2H2O(l)+ O2 (g) ^ H = -196 kJ



What is the enthalpy change accompanying the reaction of 5.00 g H2O2 (l) according to the above mentioned reaction ?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    The following reaction represents the decomposition of hydrogen peroxide: 2H2O2 -> O2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of hydrogen peroxide, H2O2?
  2. chemistry

    24. Hydrogen peroxide can decompose to water and oxygen according to: 2H2O2 (l) + -----------> 2H2O (l) + O2 (g) ^ H = -196 kJ What is the enthalpy change accompanying the reaction of 5.00 g H2O2 (l) according to the above mentioned …
  3. Chemistry! I need help quick! Thank you very much!

    2h2O2 + 2H2O ---> 2H2O + O2 If 50cmcube , 2.0 mole/dmcube of hydrogen peroxide is decomposed and volume of oxygen gas collected. How much hydrogen peroxide is decomposed?
  4. CHEMISTRY

    The following reaction represents the decomposition of hydrogen peroxide: Balanced equation: 2H2O2 -> O2 + 2H2O How many moles of oxygen are produced from the decomposition of 3.4g of hydrogen peroxide?
  5. chem

    Oxygen gas and water are produced by the decomposition of hydrogen peroxide. If 10.0 mol of H2O2 decomposes, what volume of oxygen will be produced?
  6. chemistry

    Answer the question(s) below about the following reaction. 2H2O2 (l) → 2H2O(g) + O2(g) If 50.0 grams hydrogen peroxide produce 15.0 g oxygen, what is the percent yield for this reaction?
  7. CHEM

    Hydrogen peroxide (H2O2) is decomposed according to the following reaction: 2H2O2 (l) ¡÷ 2H2O (l) + O2 (g) If 6.00 g of aquesous solution containing hydrogen peroxide was decomposed after heating, the mass of oxygen gas collected …
  8. Chemistry

    A student generated oxygen gas by decomposing hydrogen peroxide (H2O2) according to the following equation: 2H2O2(aq) -> 2H2O(l) + O2(g) If the student started with 1.75 moles of hydrogen peroxide, how many moles of oxygen gas would …
  9. Chem

    You have 25.00 mL of 3% by mass solution of hydrogen peroxide. Assume the density of this solution is 1.00 g/mL. If all of the hydrogen peroxide decomposes to water and oxygen according to the reaction below: 2H2O2 (aq) <--> …
  10. CHE1

    Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2H2O2(l) → 2H2O(l) + O2(g) ΔH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.60 g of hydrogen peroxide …

More Similar Questions