Kp for the reaction is equal to 28.4 at 298 K. If PNO = 100 mm Hg and PBr2 = 200 mm Hg, find the partial pressure of NOBr.

Q: A buffer solution is 0.402 M in NaH2PO4 and 0.318 M in Na2HPO4. If Ka for H2PO4- is 6.2 x 10 -8, wha...

A: The solution has NaH2PO4 which will dissociate completely into ions Na+ and H2PO4-  Hence concentrat...

Q: The following mechanism has been proposed for the decomposition of ozone in the atmosphere: forward ...

A: Given:            O3 ↔ O2 + O   forward and reverse (k1, k1′)                       (step 1) 2 O + O...

Q: Convert 50 °F to °C and K

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Q: List the 3 conditions necessary for determining the standard change in a thermodynamic property, suc...

A: S is the entropy or the randomness of the thermodynamic system.  G is the Gibbs free energy of the t...

Q: In which Of the following pairs of Fatty acids does the first listed acid have a higher melhing Poin...

A: Given pairs of fatty acids, number before colon ( : ) represents carbons and after clolon represents...

Q: A sample of butane (C4H10) gas having a volume of 2.0 L at 25 °C and 1300 mm Hg was mixed with a sam...

A: PFA

Q: Complete and balance the following half-reaction in basic solution CIO3 (aq) → CIO2(g)

A: Here, the reaction will be: ClO3- (aq) -------------> ClO2(g)

Q: electrochemistry. Will it be possible to do a reliable separation of methanol (boiling point 64.7o C...

A:

Q: How much energy is contained in 1 mol of each? gamma -ray photons with a wavelength of 2.15x10^-5 nm

A: The energy for gamma ray will be calculated as follows,

Q: Given the equilibrium system:           PCl5(g) à PCl3(g) + Cl52(g)   The system is analyzed and th...

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Q: The equilibrium constant, Kc, for the following reaction is 77.5 at 600 K.CO(g) + Cl2(g) COCl2(g)Cal...

A: When reaction starts A and B reacts to form C and D but with the progress of reaction the concentrat...

Q: Stereoisomers with two asymmetric centers are called ___ if the configuration of both asymmetric cen...

A: Diastereomers are stereoisomers with two or more chiral centers. These are not enantiomers. They hav...

Q: Which of the following molecules have net molecular dipole moments?   CS2 SeS2 CCl2F2 PCl5 ClNO

A: Which of the following molecules have net molecular dipole moments it is to be determined. Given mol...

Q: After filtering your final product, you find that your product is still wet, but you proceed to take...

A: Melting point is the temperature at which there exists equilibrium between solid and liquid phase of...

Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free en...

A: The expression for the standard Gibbs's free energy is shown below: ∆G0 = -n F E0cell Where; n = num...

Q: Show how the following compound can be prepared from the given starting material.

A: Pyridine reacts with bromine in presence of acetic acid and forms 2-bromopyridine. Then 2-bromopyrid...

Q: Please write the conversion factor with the labels. I have a hard time to get a wrong answer on the ...

A: The reaction considered in the question is,

Q: Which of the following can donate a proton, H+ , to water?   Group of answer choices A.) AgNO3 ...

A: To donate a proton i.e H+ ion to water, there are 2 requirements. 1) The compound should be having a...

Q: Calculate the vapor pressure of a solution prepared by dissolving 0.75 mol of safrole, an antiseptic...

A:

Q: Which species in the reaction below undergoes reduction?                         Fe2+(aq)  +    Mg(s...

A:

Q: In your own words, describe what effect cooling has on the frequency at which particles of reactants...

A: Assumptions of Kinetic-molecular theory- In a gas molecules are in constant random motion. Gas mole...

Q: In the following experiment, a coffee-cup calorimeter containing 100. mL of H2O is used. The initial...

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Q: 2.A compound designated as AB2C, has a total valence electrons of 26 where each element B and C has ...

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Q: Hydrazine, N2H4, is a liquid used as a rocket fuel.   It reacts with oxygen to yield nitrogen gas an...

A: The reaction given is N2H4(liq)  +  O2(g)  →  N2(g)  +  2 H2O(liq)  

Q: Find the concentration of [H+] in 1.0 M sodium dihydrogen phosphate solution given that the first Ka...

A: According to Bronsted-Lowry concept, all those substance that can furnish H+ in solution are acids. ...

Q: What wavelength of light is required to excite an electron to the n = 6 state in hydrogen? b. If tha...

A: Energy of hydrogen atom excited state transition is given by

Q: Which of the following can accept a proton, H+,  in aqueous solution to form a polyatomic ion? Grou...

A: For any substance to accept a proton, there should be a lone pair electron in the compound which can...

Q: 4. Consider the following reaction: H2C6H5O7^-1 (aq) +H2CO3(aq) <--> HCO3^-1 (aq)+H3C6H5O7(aq)...

A: H2C6H5O7-1+ H2CO3 -->    HCO3-1  +  H3C6H5O7   base           Acid    conjugate base conjugate ac...

Q: Among Cl-, Ar, K+, Ca2+, Br-, Kr, Rb+, and Sr2+, which one has the largest radius?

A: Isoelectronic species are those species which have same number of electrons in them. And the radius ...

Q: calculate the density of Freon 12, CF2Cl2 sat 30.0c and 0.954 atm

A: Given: Pressure=0.954 atm Temperature=30+273.15K=303.15K To find: Density  Formula: PV=nRT    

Q: Determine the normal boiling point of a substance whose vapor pressure is 55.1 mm Hg at 35°C and has...

A: Clausius-Clapeyron equation pertains to the relationship between the pressure and temperature. It is...

Q: Calculate the molar solubility of CaF2 in a solution containing 0.250 M Ca(NO3)2.

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Q: Helium is a noble gas which does not like to make compounds. As it is a lightweight gas, any Helium ...

A: When an element has fully filled octet or duplet in case of helium they become very less reactive or...

Q: How many electrons are transferred in the following reaction when it is balanced in acidic solution?...

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Q: Calculate the pH of a solution that is 0.135M benzoic acid and 0.260M sodium benzoate, a salt whose ...

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Q: This solution contains only HF(aq). Write the proton transfer equilibrium reaction. Include states o...

A: HF is a weak acid means it does not release proton easily so exists in equilibrium in aqueous soluti...

Q: The gas phase decomposition of nitrosyl chloride at 400 KNOCl(g)NO(g) + ½ Cl2(g)is second order in N...

A: The equation for the gas phase decomposition of nitrosyl chloride at 400 K is,  NOCl(g)  →  NO(g) + ...

Q: CH3-CH2-CH-CH3 CH3-CH-CH2-OH CH2-CH2-OH CH2-CH-OH CH3-CH2-CH2-CH2-OH CH3-CH2-O-CH2-CH3 ОН CH3 CH2.CH...

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: The hypochlorite ion (OCl-) is a strong oxidizing agent often found in household bleaches and disinf...

A: Given: Ka for HOCl = 3.5 x 10-8 concentration of HOCl = 0.100 M The ionization reaction of weak acid...

Q: When 27.0 g of an unknown metal at 88.4 °C is placed in water, the metal is cooled and loses 1300 J ...

A: The energy lost by metal is given by  Q = mCΔT  where m = mass of metal = 27 g C = specific heat cap...

Q: An atomic emission spectrum of hydrogen shows three wavelengths: 121.5 nm, 102.6 nm, and 97.23 nm. A...

A: The expression relating energy and wavelength of an atom is shown below.                            ...

Q: For the gas phase isomerization of cis-2-butene,cis-CH3CH=CHCH3trans-CH3CH=CHCH3the rate constant at...

A: The Arrhenius equation gives the relationship between rate constant, activation energy and temperatu...

Q: An aqueous solution contains 0.582g of dextran in 106mL of solution at 21°C. It has an osmotic press...

A: Given: The mass of dextran is 0.582 g.   The given volume is 106 mL. It is known that 1 mL = 0.001 L...

Q: Among Cl-, Ar, K+, Ca2+, Br-, Kr, Rb+, and Sr2+, which one has the largest radius? Question H:Among ...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: A 0.704 g of a pure acid, HA, is dissolved in water and an acid-base indicator added.  The solution ...

A: The reaction given is HA(aq)  +  NaOH(aq)    ⟶        NaA(aq)  +    H2O(aq) Given : Mass of HA = 0.7...

Q: Consider a galvanic cell based in the reaction Fe2+ + Cr2O72– → Fe3+ + Cr3+ in acidic solution. Cal...

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Q: A sample of the inner part of a redwood tree felled in 1874 was shown to have 14C activity of 4.29 d...

A: