Question

Calculate the enthalpy change for the reaction 

P4O6 (s)+ 2O2(g)= P₄O₁₀(s)

given the following enthalpies of the reaction:

P4(s)+3O2(g)= P4O6(s)   H= -1640.1 kJ

P4(s)+5O2(g)=P₄O₁₀(s)  H= -2940.1 kJ

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Chemical Thermodynamics

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: Explain the Junction potential.

A: When two solutions with different concentrations are brought together in contact, a potential differ...

Q: Why Thiele tube is always heated from side arm?

A: Qualitative analysis is a branch of chemistry that deals with the identification of elements present...

Q: An explanation of how electrons are exchanged between atoms during a chemical reaction would be clas...

A: Click to see the answer

Q: Fluoxetine synthesis from Michael Addition reaction

A: Click to see the answer

Q: using a buffer at pH 3.0, calculate the concentration of Ni2+ in a solution that was prepared by mix...

A: Click to see the answer

Q: From the thermodynamic data, ΔSsys for the given fuel cell reaction is negative but the reaction is ...

A: The reason the negative entropy of the system can be justified as spontaneous has to be explained. T...

Q: How can IR spectroscopy be used to distinguish between each pair of isomers?

A: The first two isomers can be distinguished on the basis of carbonyl stretching frequency. The IR str...

Q: Identify R and S in the following reaction sequence, and draw a mechanism for the conversion of R to...

A: Click to see the answer

Q: (a) Which double bonds in (E)-ocimene, a major component of the odor of lilac flowers, can exhibit s...

A: a) Since the double bond to show stereoisomerism need to have 2 different groups on each carbon maki...

Q: Write in your own words the steps and precautions involved in using a pipette to measure out the sta...

A: Pipettes are utilized in measuring specific or accurate volume for any liquid/solution. They contain...

Q: drug synthesis from Baylis-Hillman reaction

A: Baylis-Hillman reaction is a kind of C-C coupling reaction where a new C-C bond is being formed. The...

Q: How can you use UV spectroscopy to distinguish between the compounds in each of the following pairs?

A: Concept introduction: Conjugation on λmax: The wavelength at which the pi to pi star transition occ...

Q: Show the reagents required to form the primary alcohol in each of the following reactions. Which of ...

A: a)  The aldehyde can be converted into alcohol by using Sodium borohydride reagent. b) The carboxyl...

Q: CaCO3(s) + 2HCl(aq) → CaCl2(s) + CO2(g) + H2O(l) Write the reaction above in total ionic form and id...

A: Spectator Ions: The ions that remained unchanged during the course of a reaction from reactant to th...

Q: [18]-Annulene shows two signals in its 1H NMR spectrum: one at 9.25 ppm and the other to the right o...

A: NMR- It is type of spectroscopy called as Nuclear Magnetic resonance spectroscopy. It is analytica...

Q: Which of the following will conduct electricity when dissolved in water? a. CH3OH non-ionized molecu...

A: Click to see the answer

Q: Consider a reaction A + B---->C for whichrate = k[A][B]2. Each of the following boxesrepresents a...

A: The rate of reaction is given as  rate = k[A][B]2  Hence it means that more is the value of product ...

Q: Normal gastric juice has a pH of about 2. Assuming that normal gastric juice is primarily aqueous HC...

A: Since pH = -log[H3O+] = -log[H+] where [H+] = concentration of H+ ions in the solution = [H3O+] = co...

Q: 5526Fe + ________ ---> 5525MnComplete the nuclear equation above. a. proton b. neutron c. electro...

A: A change arises in atoms of species giving an entirely different atom having specified mass as well ...

Q: Classify each chemical reaction: Reaction Туре Zn (s) + FeSO̟(aq) → ZnSO̟(aq) + Fe(s) single displac...

A: As per the electrochemical series, Zinc is more reactive than Iron and thereby it displaces Iron fro...

Q: Amino acids such as glycine are the building blocks of large molecule.called proteins that give stru...

A: a) Since in the structure of glycine we can see that there is a N with lone pair electron and an aci...

Q: 1,4-Diazabicyclo[2.2.2]octane (abbreviated DABCO) is a tertiary amine that catalyzes transesterifica...

A: The nitrogen atom of DABCO attacks the carbonyl carbon of ester group which makes the alkoxy group a...

Q: Early structural studies on benzene had to explain the following experimental evidence. When benzene...

A: When benzene is treated with Br2, it forms a single substituted product. The bromine atom can replac...

Q: Calculate the molar concentration of a solution made by dissolving 7.30 g of CuO in enough water to ...

A: Given, volume of the solution  = 200 ml = 0.2 L 1) Calculate the number of moles for CuO - Given mas...

Q: art A: mean Activity coefficients (1) Examine the effect of changing the value of molality on the me...

A: Click to see the answer

Q: A beaker weighed 46.53 g. To the beaker was added 5.132 g of iron pellets and 54.3 g of hydrochloric...

A: The law of conservation of mass states that, the total amount of material in the reactant side has t...

Q: Which two elements are largely responsible for fresh water eutrophication?

A: The eutrophication is a process in which there is a growth of plant life like algae due to the nutri...

Q: A 250.0 g metal bar requires 5.866 kJ to change its temperature from 22 oC to 100.0 oC. What is the ...

A: The heat required (Q) to raise the temperature of any substance of mass m can be expressed as follow...

Q: drug synthesis from Pauson khand-reaction

A: The Pauson-Khand reaction is used for the synthesis of cyclopentenones and bicyclic enones.

Q: How would integration distinguish the 1H NMR spectra of the following compounds?

A: 1H NMR- It is application of NMR spectroscopy called as proton Nuclear Magnetic resonance spectrosc...

Q: Show the mechanism of the conversion of 2-methyl-1-propene (shown below) into PAN (peroxyacetylnitra...

A: EXPLANATION: 2-methyl-1-propene When react with O3, produces CO2 and ketone in the atmosphere and wh...

Q: Chemistry Question

A:   We’ll answer the first question since the exact one wasn’t specified. Please submit a new question...

Q: need help finishing

A: From the above reaction we can see that the 2 moles of AgI is forming when 2 moles of AgNO3 is react...

Q: Propose a molecular formula for rose oxide, a rose-scented compound isolated from roses and geranium...

A: Use the rule of thirteen to calculate the molecular formula for compound with known molecular mass. ...

Q: (a) Draw all constitutional isomers formed by monochlorination of each alkane with Cl2 and hv. (b) D...

A: Click to see the answer

Q: A small amount of sodium chloride (NaCl) is dissolved in a large amount of water. Imagine separating...

A: There are primarily three steps involved in the dissolution of the ionic salt in water. These steps ...

Q: 6. a. In a lab project, a student obtained a highly turbid acidic solution whose concentration has t...

A: One of the methods by which we can determine the concentration of highly turbid acidic solution is t...

Q: Homework

A:  Factors affecting on acidity of molecules- Electronegativity- Acidity increase with electronegativ...

Q: 5. Aspirin that has been stored for a long time and gives a purple color with FeCl3 (Tests for Funct...

A: Since Fe3+ ions react with Salicylic acid and form a complex compound which has a purple color since...

Q: Explain temperature programming for gas chromatography and what its benefits.

A: Gas chromatography is an analytical separation technique used in the separation of mixture of volati...

Q: An incorrect configuration for Al was written as 1s 2s²2p*3s?3p. What mistakes were made and what is...

A: Since the given incorrect electron configuration of Al is  [Al] = 1s2 2s2 2p4 3s2 3p3  Since the orb...

Q: At 1285 °C, the equilibrium constant for the reactionBr2(g) ⇌ 2 Br(g) is Kc = 1.04 x 10-3. A 0.200-L...

A: Since the mass of Br2 in equilibrium = 0.245 g And we know molar mass of Br2 = 160 g/mol hence moles...

Q: Early chemists could envision three possible mechanisms for hydroxide-ion-promoted ester hydrolysis....

A: Since we know that in the actual SN2 mechanism, the OH- attacks on the carbon atom and removes the R...

Q: 4-chloro-2-pentene has a double bond that can have either the E or The Z             configuration a...

A: Stereoisomers are the molecules having same molecular formula but differ only on the spatial arrange...

Q: Compare the advantages and disadvantages of atomic absorption and inductively coupled plasma Atomic ...

A: Click to see the answer

Q: The of formic acid is pKa 3.750. What is the Ka of formic acid?

A: The relationship between Ka  and pKa is  pKa = -log(Ka ) => Ka = 10-pKa    

Q: Part B: Integrated rate law expressions for zero- and half-order reactions Derive integrated rate la...

A: Click to see the answer

Q: A mixture of Al3+ and Mg2+ in a sample of water. Explain a procedure to analyse this mixture using E...

A: Aluminium ion, Al3+, form stable complex with EDTA then Mg-EDTA complex due to which the concentrati...

Q: drug synthesis from Dies alder reaction

A: Dies alder reaction

Q: Consider the para-substituted aromatic ketones, NO2C6H4COCH3 (p-nitroacetophenone) and CH3OC6H4COCH3...

A: a. The given compounds are NO2C6H4COCH3 (p-nitroacetophenone) and CH3OC6H4COCH3 (p-methoxyacetopheno...