3. What phase(s) will be present at T = 300 K for the system described below? Liquid Phase (reference state) Vapor Phase T = 300 K P = 0.5 bar V = 100 cm³ mol-¹ Gm¹=0 T = 300 K P = 0.5 bar GmV=4800 bar cm³ mol-¹
Q: A TLC plate was run in cyclohexane:ethyl acetate 4:1, the pure product, 2 starting materials and…
A: Concepts of Thin Layer Chromatography.
Q: Calculate the avergae rate of disappearance for N2O5 between 200 seconds and 500 seconds, if the…
A:
Q: Which of the following is probably a molecular solid? A. A solid that melts at 0 °C and is softer…
A: Answer A solid that melts at 0 C and is softer than steel.
Q: Multistep reaction mechanisms Group Activity Treating (S)-2-butanol with HBr results in the…
A: First the given Step 1: CH3CH(OH)CH2CH3 + HBr CH3CH(OH2)CH2CH3 + Br Step 2: CH3CH(OH2)CH2CH3 + Br…
Q: a. What is the material that can naturally have electrons able to move across the band gap when…
A: Semiconductor : It is the class of crystalline substance whose electrical conductivities properties…
Q: 3,3-diethyl-4-(2,2-dimethylpropyl)octane draw the stucture
A: How to draw structure of the compound given in the question- 1-Consider the parent name of the…
Q: The figure below shows a portion of a GC chromatogram for a mixture of two aromatic compounds…
A: To calculate the full widths of peak of component A and component B for the following chromatogram.
Q: The equilibrium constant, K, for the following reaction is 0.440 at 341 K. NH₂HS(s)NH₂(g) + H₂S(g)…
A: Recall the given reaction, NH4HS s ↔ NH3 g + H2S gThe equilibrium…
Q: The quantum numbers for the electron(s) in the valence shell of thallium (81TI) are: NOTE: the…
A:
Q: Is the following acid-base reaction FAVORABLE or UNFAVORABLE as written (left to right)? CHC-OH…
A: when stronger conjugate base react with comparatively stronger acid then acid base reaction is…
Q: • You do not have to consider stereochemistry. If there is more than one major product possible, d…
A: Organic reactions are those in which organic reactant react to form organic products. In the given…
Q: Calculate the lattice enthalpy of AgCl (s) using the following thermodynamic data. Note that the…
A: Lattice enthalpy : The amount of energy required to completely separate one mole of the solid ionic…
Q: Steam reforming of methane (CH4) produces "synthesis gas," a mixture of carbon monoxide gas and…
A: The chemical equation of steam reforming process is ; CH4 + H2O → CO + 3…
Q: Lewis structure of the following ionic compounds: 1. LiH 2. Ca3N2 3. Na2O
A: Answer of this question :- Lewis structure :- Lewis structure also known as electron dot diagrams…
Q: Which of the following is the correct unit for equivalent weight? a)eq/mol b)eq/g c)g/eq d)mol/eq
A: The unit for equivalent weight is given below.
Q: Which is the stronger acid, I or II (see below)? H₂N-CH₂ VS. .. H₂N-CH-CH₂ Note: H₂N- protons are…
A: Acid is a species which can accept lone pair of electrons, while base is a species which can donate…
Q: The conductivity of an intrinsic semiconductor decreases with decreasing temperature. How can this…
A: Semiconductor can be defined as material that have electrical conductivity value lying between metal…
Q: You need to prepare 100.0 mL of a pH 4.00 buffer solution using 0.100 M benzoic acid (pK, = 4.20)…
A:
Q: The freezing point of water H₂O is 0.00 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that…
A:
Q: Boiling Point Elevation/Freezing Point Depression AT = m K where, for freezing point depression: AT…
A:
Q: Consider the following gas phase equilibrium at 298 K. N₂(g) + 3 H₂(g) = 2 NH3(g) (a) From standard…
A:
Q: Define weighted average and average in Chemistry and explain the difference between the two.
A: Average is a summation of quantities, divided by the total quantities, to get a single number. For…
Q: Gaseous hydrogen and oxygen can be prepared in the laboratory from the decomposition of gaseous…
A:
Q: + HCI o not have to consider stereochemistry. o not have to explicitly draw H atoms. 1,2- and 1,4-…
A: Organic reactions are those in which organic erected react to form organic product in the given…
Q: Calculate the number of grams of bromine (Br2) needed to react exactly with 57.9g of aluminum (Al).…
A: We have given an equation for a reaction. We are asked to calculate number of grams of bromine (Br2)…
Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of…
A: The hardness of water is usually expressed in parts per million of CaCO3 . The hardness count of…
Q: A weak diprotic acid, H₂A ionizes progressively based on the following equilibrium: H₂A HA¹. One…
A:
Q: Equal masses of SO3 and H2O (100 kg) were fed in a reactor to produce sulfuric acid. What is the…
A:
Q: A tank of helium gas with a pressure of 0.950 atm at -19 °C is heated to give a pressure of 1.65…
A: Given - Initial pressure = 0.950 atm Initial temperature = -19°C Final…
Q: A piece of iron with a total surface area of 516 in2 is covered with a solid 0.205 mm coating of…
A:
Q: Find numerical value: Report your answer in proper Sig. Figs. i) (5.6 x 104)+(7.89 x 102). Show Your…
A: Rule of significant digit-1) In non decimal number, 0 comes after non-zero not count in significant…
Q: Stable molecules form when atoms arrange in a way to exert equal force on each other. One such…
A:
Q: Consider the following reaction: X2Y + Z →2X + D, The proposed mechanism of this reaction…
A: Given reaction: X2Y + Z →2X + D The proposed mechanism is: Step 1: X2Y ⇌ 2X + Y (fast)…
Q: 1. Place 1 inch of Mg ribbon in a test tube and add enough HCI to cover it. Observe the reaction.…
A: When Mg ribbon is placed in a test tube and added enough HCl then Mg ribbon will start dissolving in…
Q: [References] This question has multiple parts. Work all the parts to get the most points. An aqueous…
A:
Q: Please indicate if the arrows represent the movement of 1 electron or a pair of electrons
A:
Q: Write and Balance: Hexane (c6H14) burns in oxygen (02) to form carbon dioxide (co2) and water H20)…
A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…
Q: 19. Many mechanical pencils use 0.4 millimeter lead. What is the diameter in feet? 14mm/.001m 39.4…
A: To convert millimeter to feet use the following unit conversions 1 millimeter = 10-3 meter 1 meter =…
Q: A solution is made containing 20.6 g phenol (C6H5OHC6H5OH) in 460 g ethanol (CH3CH2OHCH3CH2OH). a.…
A:
Q: 13. (a) Compound C undergoes a reaction with SOC1₂ (or PC15) to yield compound D (Molecular Formula…
A: The structure of the molecule can be estimated using NMR Data which is also justified accordingly.
Q: Remember that is the symbol for sum. In other words, we will take the sum of the relative abundance…
A: Symbol Mass number Isotopic mass(amu) Percent…
Q: Which of the following molecule pair(s) could be potentially distinguished by TLC analysis?
A: Compound separation is accomplished using TLC. Typically, this method is used to isolate…
Q: C Chegg-Get OWLv2 | Ass Submit Answer Blackboard!…
A: Given -> Freezing point of water = 0.00°C Pressure= 1 atm Molar mass of CoBr2 = 218.7 g/mole…
Q: 2,3-diethyl-5isopropylheptane draw the stucture
A:
Q: Balance the following gas-phase reaction and write its reaction quotient, Qc: CH4(g) + F2(g) ⇌…
A:
Q: [References] The specific heat capacity of silver is 0.235 J/g. K. Its melting point is 962 °C, and…
A: When solid metal is heated its temperature is increases and its melting point the metal is converted…
Q: 13.39 Some reactions are described as parallel in that the reactant simultaneously forms different…
A: Recall the given parallel reaction, A →k1 B A →k2…
Q: How much diluting fluid would be required to make 100 mL of a 1/100 dilution from an undiluted stock…
A: First the given data Final volume = 100 mL Dilution = 1/100 Find out the diluting fluid volume
Q: ch Match each of the following gas laws with the variables related using the dropdown on the right.…
A:
Step by step
Solved in 4 steps with 7 images
- Imagine that we have a closed system containing pure isobutane that is in a state of vapor-liquid equilibrium at known P sat < Pc. What can we say about mean translational kinetic energy of the molecules in the liquid (KL) and vapor (KV ) phases? a) KV − KL > 0 b) KV − KL < 0 c) KV − KL = 0 d) We need more information.In the systems given below determine the number of phases, number of components with names and degrees of freedom using the Gibbs Phase rule. I. S(rhombic) ⇆ S(monoclinic) ⇆ S(liquid) ⇆ S(gas) II. PCl5 (g) ⇆ PCl3 (g) + Cl2 (g) i) PPCl3 = PCl2 ii) PPCl3 ≠ PCl2 (PA – is partial pressure of A)A closed system consisting of 2 lb of a gas undergoes a process during which the relation between pressure and volume is pV" = constant. The process begins with p₁= 15 lbf/in.2. v₁ = 1.25 ft3/lb and ends with p₂ = 60 lbf/in.2, v₂ = 0.5 ft3/lb. Determine (a) the volume, in ft², occupied by the gas at states 1 and 2 and (b) the value of n. Determine the volume, in ft, occupied by the gas at states 1 and 2. V₁= V₂ = Determine the value of n. n= 1 2 ft³ ft3
- Steam pressures for pure CCl4 and SiCl4 are given as 0.4226 bar and 0.7999 bar respectively, while the temperature is 50°C. For a mixture prepared with these two liquids and boiling at 50°C under a pressure of 0.5333 bar, find the composition of the phases as a mole fraction and a mass fraction. [M(CCl4):153,82 g/mol, M(SiCl4):169,9 g/mol]Given these relation, prove this without usin Maxwell relatios or thermodynamic squares as - (7), aP/T =For SO2 melting and boiling points are 198 K and 263 K respectively. ĈPvalues forsolid phase are 1.255 J/mol-K at 15 K and 84.185 J/mol-K for greater than 15 K.ĈPvalues for liquid phase is 24.937 J/mol-K. For gas phase ĈP = 49.769 + 4.56*10-3T J/mol-k where T is in K. Enthalpy of freezing and condensation processes are -7.402kJ/mol and -24.937 kJ/mol respectively. Determine specific entropy of SO2 at 400 K.
- 7A A mass m of a perfect gas [C=0.815 KJ/Kg K , cp=1.42 KJ/Kg K] is compressed from 0.85 m' and 105 N/m2 to volume 0. 034 m and pressure 3.0x10 N/m2 the temperature is reduced by AT = 100 K. the gas constant r in kJ/kgK. isFind expressions for α and κ for a liquid obeying the following equation of state: V = c1 + c2P + c3T2 + c4PT – nc5PFor a one-component system draw a schematic labelled phase diagram given that at low T and low p, only phase γ is present; at low T and high p, only phase β is present; at high T and low p, only phase α is present; at high T and high p, only phase δ is present; phases γ and δ are never in equilibrium. Comment on any special features of your diagram.
- prove this without using Maxwell relatios or thermodynamic squares ас - (7) JP/TAvapH° (CO20) (assumed to be temperature independent): 25.12 kJ mol1 Using the data, calculate the saturated vapor pressure of CO2 at 0°C. To do this, the equation P = f(T) will be established using a relationship that will be recalled and integrated in detail. IV 73.8 (b) (미) Vaporisation 5.1 1 Sublimation -78.5 -56.4 31.1 Température (°C) Pression (bars) FusionA sample of blood plasma occupies 0.550 dm3 at 0 ocand 1.03 bar, and is compressed isothermally by 0.57 per