Calculate the Gibbs free energy of mixing at a temperature of 25 °C for the mixing of two ideal gases that are in the molar ratio 1:4. The total moles of the two gases combined are 15 moles. Take the universal gas constant, R to be 8.3145 J mol-k!. The pressure of the system is kept constant. A. 18.6 kJ B. -18.6 kJ C.-62.41 J D. 62.41 J E. -1.56 kJ

Q: Which of the following shows the changes as well as the mass relationship? A. Thermal energy B. Th...

A: Thermal energy is the energy produced dur to motion of particles. So, as the intermolecular forces o...

Q: MULTIPLE CHOICE. Read and understand the questions below. Choose the letter of your answer 1. Which ...

A:

Q: B. Given the following reaction: A + 3B --> 2C Calculate the number of moles of A. Molecule (8) sseu...

A:

Q: A.1. Provide two examples showing the E " character of C=0 corbon thru Co) Nu addifion, C+) wu* addi...

A:

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: A vinegar sample had a pH of 3.88. This corresponds to [OH]= O a. 10.12 M. O b.76× 10° M. OC76x 10-1...

A:

Q: simply as “alcohol

A: In this question we have to choose correct option of products contain an ingredient listed simply as...

Q: Mg(NO,)2 Mg: N: O: 2) (NH,),PO, N: H: O: P: 3) Al,(SO.), Al: S: O:

A:

Q: OH (d) CH–CH2CH3

A:

Q: HOW ABOUT USING WATER? HOW WILL YOU KNOW IF ITS POLAR OR NON POLAR? SUBSTANCE 1. WATER MISCIBLE/IMMI...

A:

Q: 4. A satellite flying by Jupiter takes a picture of the Great Red Spot. How long does it take the im...

A: Given : Distance = 892 million km   

Q: Determine the molecular formula of a compound with an empirical formula of NH2 and a formula mass of...

A: Given:-

Q: A container filled with an unknown quantity of the gaseous mixture at 310 K is in hydrostatic equili...

A:

Q: The absorbance maximum of benzene is 255 nm, whilst for naphthalene it is 286 nm. Why does naphthale...

A: We have to predict the reason for higher wavelength for absorption of napthalene.  

Q: Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid...

A: Volume of tank = 125 L Initial moles of SO2 = 12 mol Initial moles of O2 = 9.3 mol Equilibrium moles...

Q: What is intensive property?

A: An intenstive property of the system is that which is independent of the amount of the substance pre...

Q: Consider the following reaction, where Kc = 0.658 at a particular temperature: N204(g) = 2 NO2(g) Su...

A:

Q: Consider the following reaction at 298 K: Si(s) + 2 Cl2(g) → SiCl4(g) Calculate the following: a) ΔS...

A: Introduction :  A thermodynamic system can be defined as a body which is confined in a space and sep...

Q: What is the wavelength (in nm) of blue light that has a frequency of 6.25 × 101“ s1? (c = 3.00 × 10°...

A:

Q: What is the molarity of ions in a 0.775 M solution of Ca(OH)₂ assuming the compound dissociates comp...

A:

Q: [Review Topica) [References) Use the References to access important values if needed for this questi...

A:

Q: Contamination of precipitate by co-precipitation can be minimized by (tick all that may apply) A. D...

A: Precipitation is the process in which solid material can be separated from its aqueous solution by u...

Q: A sample of copper oxide weighing 2.013 g is dissolved in acid, the pH adjusted, and excess KI added...

A:

Q: Atomic Number Mass Number Atom Symbol Protons Neutrons Fr 87 223 Tungsten 110 238 86 136 57 44

A:

Q: 1) Calculate the de Broglie wavelength of a neutron (mn = 1.67493×10-27 kg) moving at one thousandth...

A:

Q: 2. a) How is the mass of one mole of a substance determined? b) How do you determine the number of m...

A: Answer of the question given below,

Q: How many orbitals are there in the 7s sublevel? а. 1 b. 3 С. 5

A: Only one orbital is present in 7s sublevel. option a is correct.

Q: ASSAY - 20 tablets weighing 2.58 g were crushed to a powder. A portion of the crushed powder (0.5283...

A: Given: A1% = 72.3 Adiluted = 0.582 Stated content = 20 mg

Q: Explain the relation between air pollution and environmental chemistry.

A: Air pollution and environment chemistry is directly proportional to each other.  

Q: 51.4 g of Y(g) (molar mass = 29.10 g/mol) is placed in a 0.688 L flask for the following reaction to...

A:

Q: Does a reaction occur when aqueous solutions of sodium sulfide and barium acetate are combined? O ye...

A: An aqueous solution of sodium sulfide reacts with an aqueous solution of barium acetate to form a pr...

Q: Need help with this question. Options for blank no. 1: unreactive, cis, photoisomerisation, red, tr...

A: The answer is as follows:  

Q: What causes battery-powered electronics to perform poorly in low temperatures? A) Corrosion B) Chemi...

A: In battery-powered electronics, batteries are used as a source of energy in which the chemical energ...

Q: Asteltoxin, isolated from cultures of Aspergillus stellatus, exhibits a potent inhibitor on E. coli ...

A: Most acidic proton is a proton which has the higher degree of positive character and the negative io...

Q: A change in the number of neutrons of an atom produces an O Isotope lon Element O alpha particle Que...

A: The correct answer is given below

Q: Calculate the value of the equilibrium constant, K., for the reaction Q(g)+X(g) = 2 M(g)+N(g) given ...

A:

Q: Aluminum hydroxide can be dissolved in hydrochloric acid to form aluminum chloride and water. Write ...

A:

Q: The activation energy for the reaction H2(g) + I2(g) → 2 HI(g) is 167 kJ/mol, and ∆E for the reacti...

A:

Q: Show that the wave functions  ψ2 and ψ3 of a particle in a one-dimensional box are orthogonal.

A: If the 2 wavefunction does not overlap with each other then the function are said to be orthogonal w...

Q: a- Accordingly, which one of the two students got th more accurate results ? b- Mention the technica...

A: Percentage of impurities in Na2CO3 = 20 % Percentage Purity of Na2CO3 = 80 %     Mass of Na2CO3 diss...

Q: WORK ON THIS! 1.00 L of An aqueous solution of NaCl i the solution? Assume the den

A:

Q: GIVEN: - 500mg of ascorbic acid - 2L of distilled water - 7.5% m/v (this is the stock solution) ...

A:

Q: Iron and water react to form iron(III) oxide and hydrogen, like this: 2 Fe(s)+3 H,O(g)→Fe,O3(s)+3 H,...

A: The equilibrium constant of a reaction is calculated by the ratio between product concentration to t...

Q: GIVEN: - 500mg of ascorbic acid - 2L of distilled water - 7.5% m/v (this is the stock solution) ...

A:

Q: How many atomic orbitals are there in a g subshell? What is the maximum value of the secondary quan...

A: Complete solution is given below in next step

Q: . Starting from the universal gas constant (R = U.0821 , determine ue volume (In L) occupled by 2.45...

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

Q: How do we separate a mixture of benzoic acid and naphthalene, given that naphthalene is a white subs...

A: Both benzoic acid and napthalene undergo sublimation process. Both the compounds are volatile in nat...

Q: Below is the amino acid histidine at pH 7. Select all the atoms that are part of a plane of three or...

A: A question based on molecules that is to be accomplished.

Q: Which statement is true of a chemical change? A. Heat is always exchanged between the system and th...

A: Thermodynamics is the branch of chemistry in which we deals for the change in energy or heat, work a...

Q: Given that H2(9) reacts with I2(s) according to the chemical equation H2(g) + I2(s) = 2 HI(g) Kp = 8...

A: