A compound is found on analysis to contain 7.8 grams of carbon, C, and 2.3 grams of hydrogen,  H. What is the empirical formula? (atomic weights: C = 12.01, H = 1.008)

Q: How many moles of phosphorus are required to produce 15.5 g P406 in the following equation? 4 P(s) +…

A: Amount of P4O6 to be produced=15.5g To Calculate the moles of phosphorus needed.

Q: Calculate the Specific Volume at 1076 psia and 149F, the apparent molecular weight is 23.438.

A: Given that  pressure ,P = 1076 Psia  = 7418759 Pa  = 7418759  Jm3 T  = 149 F =338.15 K  apparent…

Q: For å certain gas in a thermodynamic system, the absolute value of is AU is greater than the…

A: First law of thermodynamics is relation between internal energy of system, work done and heat of the…

Q: 1- Why do we measure aniline point for petroleum fractions?

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: 3. A compound has a percent composition of 40.0 % carbon, 6.71% hydrogen and the rest is oxygen.What…

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Q: ) Estimate residual enthalpy for a mixture of carbon dioxide (1) (XX mol %) and n-octane (2) at 620…

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Q: A syn-gas consists of CO, H2, and N2, in the molar ratio of 2:1:2. What is the mass ratio of the…

A: Given the molar ratio of the components in the synthesis gas (syn-gas) as  for CO, H₂, and N₂…

Q: Calculate the total pressure of a vapor where the vapor pressures of the pure liquids A and B are…

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Q: A mixture of 96% ethyl alcohol + 4% water by weight creates an azeotropic mixture. It is not…

A: Basis: 100 kg of pure alcohol produced Refer to the below diagram for the given information about…

Q: a) Gibbs free energy, G (J*mole^-1) b) Entropy, S (J*mole^-1*K^-1) c) Enthalpy, H (J*mole^-1) d) The…

A: x1=0.5284 x2=o.4716 y1=0.4101 y2=0.5896 T=318 K P=0.4093 bar…

Q: gasoline contains primarily of 35% octane, 15% benzene, 7% propane, 12% ethylene, 18% butane and 13%…

A: Given that, The mass composition of Gasoline: Octane C8H18 : 35% Benzene C6H6 : 15% Propane C3H8 :…

Q: 1. Elemental analysis- Determine the empirical molecular formula: а. Element Percentage 40.0% H 6.7%…

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Q: Vapor pressure of benzene can be calculated using the Antoine's Equation: InP= 6.9057- 1211 T+220.8…

A: Please select text to grab.

Q: Consider an iron ore consisting of Fe2O3 and Fe3O4. What are the weights of Fe2O3 and Fe3O4 if the…

A: To get the Ratio of Fe is unity in Fe2O3 and Fe3O4 we get the reaction:  3 Fe2O3  + 2 Fe3O4…

Q: can someone break this down algebracially and show the dimensional analysis

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Q: Calculate the mole fraction and activity coefficient of ethanol in air if the partial pressure of…

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Q: 5.6.4 Using the following data, calculate ΔH°f for CO(g):

A: Given data: Standard enthalpy of combustion of C (graphite) = -393.5 kJ/mol Standard enthalpy of…

Q: An unknown element is found to have three naturally occurring isotopes with atomic masses of 35.9675…

A: Given that x1 =0.337 x 10-2M1 =35.9675x2 =0.063 x 10-2M2 =37.9627x3 =96.6 x 10-2M3 =39.9624

Q: Write "TRUE" if the statement is correct. Else, write the correct answer based on the underlined…

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Q: [Step-2] mass of fheno fhonol of %3D mole Molaro mass of fhonol [Holam 94.11 gm/mol mass of Pheorol…

A: Given: A table of % phenol and temperature is provided: %  Phenol T oC 32.5 35 28.1 46 24.3…

Q: The composition of a mixture of gases is 60%CO2, 20%O2 and 20%He by volume. What is the apparent…

A: Gas mixture have CO2 60% O2 20% He 20% Find Apparent molecular weight of…

Q: NUCLEAR CHEMISTRY: The mass defect of nuclei (74x ) is 1.414 amu. Estimate the total binding energy…

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Q: The volume of a binary mixture in cm3 mol-1 can be predicted using the expression below: V = 65x1 +…

A: Molar volume of a binary mixture is given. Molar composition of the mixture is, x1 = 0.47 x2 = 0.53

Q: The volumetric analysis of a gaseous mixture is as follows: CO2 = 18%, O2 = 5%, N2 = 77%. Find the…

A: Given that volumetric analysis of a gaseous mixture : CO2 = 18%, O2=5% , N2=77 %

Q: Q7) a compound is found to contain 40 % carbon, 6.7 % hydrogen, and 53 % oxygen by weight. What is…

A: The chemical formula provides a way to represent any chemical substance using the symbol of the…

Q: 3. Use the Txy and Pxy phase diagrams for benzene-toluene to answer the questions that follow.…

A: The graphs are given for the benzene (1) – toluene (2) system at 1 bar and 293 K are:

Q: The vapor pressures of ethanol (C,H,OH) and 1-propanol (C,H,OH) at 35 °C are 100. mmHg and 37.6…

A: Let,Component 1 is ethanol and component 2 is propanol.As per Raoults law.Here P is the total…

Q: Which of these compounds has the lowest vapor pressure? HOH O2 CO2 H2 None of the above

A: Vapor pressure is tenancy of material to transform from liquid state to vapor state. At boiling…

Q: NUCLEAR CHEMISTRY: The mass defect of nuclei (95X) is 1.587 amu. Estimate the total binding energy…

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Q: A mixture of 15% helium, 28% argon, and 57% nitrogen has a total mass of 11.6342 grams and occupies…

A: Given data: The total mass of the mixture = 11.6342 g The volume of the mixture = 5 L Temperature =…

Q: QUESTION 3 A mixture consists of the following components: A, B and C. Their compositions were found…

A: Note: Since we are entitled to answer only 3 subparts, we’ll answer the first three as no specific…

Q: For a binary mixture of components 1 and 2, the molar enthalpy of the mixture (J/mol in terms) are…

A: Given expression of enthalpy for binary mixture of 1 and 2 is

Q: Vitamin C contains carbon, hydrogen and oxygen only. It is 4.579% by mass of hydrogen. One molecule…

A: Given: Vitamin C contains only C, H, and O. Mass percent of vitamin C = 4.579 wt.% 1 mole vitamin C…

Q: H.W1: The partial molar volumes of two liquids A and B in a mixture in which the mole fraction ofA…

A: Hello !! Thanks for asking the question. Kindly post the future questions with a higher…

Q: Show your complete solution for each problem. Only the final answer in your calculation should be…

A: WE KNOW THAT,  H = U + PV  WHERE,  H = ETHALPY  U = INTERNAL ENERGY  P = 0.005 MPa

Q: isothermal reversible expansion

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Q: 3.95 Cumene is a hydrocarbon, meaning that it contains only carbon and hydrogen. If this compound is…

A: Given Data: Hydrocarbon Cumene It contains onle carbon (C)  and hydrogen (H) Contains: 89.94% C by…

Q: Benzene is stored in a tank. The pressure in the tank is 12 bar and the temperature is 375 oC.…

A: Given that- Temperature, T=3750C=648 K Pressure, P=12 bar= 1.2x106 Pa Volume of tank V= 1 m3…

Q: From the following data,  C(graphite)+O2(g)=CO2(g).  deltaH rxn=-393.5 kH/mol…

A: The enthalpy change of the reactions is given.

Q: 5. What is the specific volume in ft³/lbm of a substance having these conditions: temperature of 57…

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Q: The average atomic mass of Ga is 69.72. Naturally occurring Ga is composed of Ga-69, which has an…

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Q: 2Cu2S (s) + 302 (g) → 2Cu20 (s) + 2SO2 (g). - How many grams of sulfur dioxide would be produced…

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Q: Q #4 A mixture contains 86 moles of n-hexane, 42 moles of n- heptane, 28 moles of n-octane, and 6…

A: Given: Mixture compositions is as follows: moles of n-hexane = 86 moles of n-heptane = 42 moles of…