Asked Oct 9, 2019

calculate the enthalpy change for the reaction:

2 H2O2(l) → 2 H2O(l) + O2(g)

using enthalpies of formation:

ΔH∘f(H2O2)ΔH∘f(H2O)==−187.8 kJ/mol−295.8 kJ/mol


Expert Answer

Step 1

The given react...


Image Transcriptionclose

2Ο0 -2π,Ό002ς ΔΗΟ racion-ΣηκΛΗτο dnc- ΣικΔΗrτac ant -Σ2(2953) - ΣΟΧ-187.) -216kJ


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in



Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: Reaction Coordinate Diagrams!a. For the following reaction coordinate diagram: i) Identify how many ...

A: (i)Four humps are present in the given energy diagram. Therefore, in the given reaction, there are f...


Q: alkyne or an aromatic compound and as saturated or unsaturated Classify each of the following as an ...

A: Phenanthrene is an Alkene (aromatic) compound.  It has double bonds hence, it is unsaturated compoun...


Q: When 3.25 g of sodium hydroxide (NaOH) was dissolved in 150.00 g of water a value of 10.00oC was obt...

A: The specific heat capacity of a substance is the amount of heat which is required to raise the tempe...


Q: In the reaction: P4 + 6Cl2 = 4PCl3, if the actual amount of PCl3 recovered is 16.25 g, what is the p...

A: According to the given reaction 4 mol of PCl3 is formed.The mass of PCl3 corresponds to 4 mol PCl3 =...


Q: MasteringChemistry: Ch X

A: Given:Total mass of tooth paste = 119 g.Mass percent of NaF = 0.228%.Mass percent of KNO3 = 5.4%.


Q: what is the mass in grams of 0.625 mmol of iron (III) nitrate?

A: Given,0.625 mmol of Iron (III) nitrate.Convert mmol to moles as below.


Q: You isolated 8.3181 g of alum. What was the percent yield of your product?

A: The value is given as follows:


Q: How many GRAMS of sodium are present in 1.41 grams of sodium chloride, NaCl ? ____grams sodium How ...

A: Given,Mass of sodium chloride, NaCl = 1.41 gMoles of NaCl can be calculated as:


Q: Help

A: When chromium metal is added to copper sulfate, there are two possible reactions.