A solution made by dissolving 9.42 grams of an unknown compound in 137 g of water boiled at 100.37 C. What is the molar mass of the compound? ( Kb of water = 0.51C/molal) 2 decimal places

Q: QUESTION 4 Pure water vapor pressure reaches 760 Torr at 100°C, and the vaporization enthalpy is…

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Q: cup of milk contain? The caloric values for foods indicate the number of kcal(Cal) provided by 1 g…

A: Given that  Food type  caloric value kcalg carbohydrate 4 fat 9 protein 4

Q: 250 m^3 of 30°api gas oil is blended with 1000m^3 of 15°api fuel oil . what is the density of the…

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Q: You have an air mass at 10C that contains 1.8 grams of water vapor per kilogram of air (g/kg). What…

A: Temperature of the air-water vapor mixture = 10 0C Humidity of air = 1.8 g water/ kg dry air

Q: Subcooled or compressed liquid is the phase of water when it is NOT CLOSE to vaporizing.

A: Given data: Subcooled or compressed liquid. (water)

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: Given that the equilibrium number of vacancies at 500°c (773 K) is 7.27 x 10^23 m^-3. The atomic…

A: Avogadro number = 6.022 x 1023 paluminum =2.63 g/cm3 Atomic weight of aluminum = 26.98 g/mol

Q: Radioactive decay can be described by the following equation In A = In Ag – kt where Ap is the…

A: Given details : initial concentration,[A0] =50.8 mg time , t=25.9 years Rate constant ,k=2.47×10-2…

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

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Q: What is the density of carbon dioxide gas (g/L) at -25.2°C and 94 kPa? Notes: 1. Write your answer…

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Q: How is the sugar‐rich juice extracted from sugar beets? Discuss using a schematic diagram and…

A: Dear User! Please note that bagasse is a residual product obtained from the process of extracting…

Q: Mount fuji has a pressure of 0.228 bar. The standard molar enthalpy of melting

A: Hello!! Thank you for asking the question. You have asked 2 full  questions The first question is…

Q: Calculate the mass of N2 that is dissolved in the water inside a 205 L home aquarium at 306 K?…

A: Given data: Volume of water = 205 L Temperature = 306 K Atmospheric pressure =1 bar Henry’s law…

Q: How many moles of gas occupy 157L at a pressure of 4.6 atm and a temperature of 471K

A: Given data: Volume of gas = 157 L Pressure of gas = 4.6 atm Temperature of gas = 471 K

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

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Q: 1) What is the molar volume (liters/mole) of n-hexane at 680K and 95 bar using the Van der Waals…

A: Molar volume is defined as the volume occupied by 1 mole of a substance at a particular pressure and…

Q: A petroleum sample has a specific gravity of 0.847 at 20°C. If the coefficient of volume expansion…

A: The specific gravity of petroleum at 700C is to be calculated.

Q: An element has three naturally occurring isotopes with the following masses and abundances: Isotopic…

A: The atomic mass of the element is to be calculated along with the identity.

Q: The molar nuclear mass of fluorine-19 is 18.99840 g/mol. The molar mass of a proton is 1.007825…

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

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Q: A hypothetical element, Le, has a body centered cubic structure with a density of 6.93 g/cm³.…

A: Given: Lithium element of BCC structure Density is 6.93 g/cm3 Atomic mass is 55.963 g/mol

Q: You want to make up 0.100 mol.dm^3 sodium carbonate solution. You have a 200 ml volumetric flask and…

A: To solve this problem, first we need to calculate the number of moles of sodium carbonate and by…

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: C. The explosive PETN, (pentaerthritol tetranitrate) is one of the most powerful explosives known.…

A: Hi and thanks for the question. Since you have posted multiple questions, we will answer the first…

Q: A 10.0-liter flask contains 1.013 grams of oxygen and .572 grams of carbon dioxide at 180C. What are…

A: Given that, The volume of the flask V = 10 L Temperature T = 180oC = 453.15 K Mass of Oxygen = 1.013…

Q: ven that molybdenum (Mo) with atomic weight 95.94 g/mol and density 10.2 g/cm° assumes a…

A: Given that  atomic weight,Mw = 95.94 g/mol = 95.94 x 10-3 kg/mol density = 10.2 g/cm3 = 10.2 x…

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: One thousand kilograms of FeC13 • 6 H20 are added to a mixture of crystals of FeCI3 .H2O to produce…

A: The flowchart is obtained for the given system. The mass fraction of the unknown components is…

Q: The results of testing a liquefied petroleum gas tank (LPG) for a volume of 2000 standard cubic feet…

A: As per multiple question or multiple subparts guidelines, we are supposed to answer only first 3…

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

A: Specific volume is ratio of volume of substance and mass of the same substance. This property of…

Q: ST1C2 - The second virial coefficient for a certain gas at 434 K is B = -54 cc/mol. If we truncate…

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Q: 3) 20 grams each of helium and an unknown diatomic yas are combined in a 1500 ml container. If the…

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Q: QUESTION 11 NUCLEAR CHEMISTRY: Consider the nuclei 1150Sn. Determine its mass defect in kilograms if…

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Q: Pure water vapor pressure reaches 149.4 Torr at 60°C. Calculate the vapor pressure of a solution…

A: Given that:At T=60 C  P=149.4 torrm1=164 gmw =1200 g