Physical Chemistry:
The densities of white and red phosphorus are 1.823 and 2.340 g cm-3, respectively. Calculate the change in molar volume for the transformation of white into red phosphorus.
Physical Chemistry: The densities of white and red phosphorus are 1.823 and 2.340 g cm-3, respectively....
(2 marks) The densities of white and red phosphorus are 1.823 and 2.340 g cm3 respectively. Calculate the change in the molar volume for the transformation of white into red phosphorus a) 3.754 m2 mol b) 3.754x102 m3 mol c) 3.754x106 m3 mol d) 3.754x10 m3 mol Justify your response.
Explain why isostructural HfO2 and ZrO2 have densities of 9.68 g cm−3 and 5.73 g cm−3, respectively.
Physical Chemistry Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol K1 and 31.75 J mol K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g1. The molar mass of aluminum is...
please answer 1.) The partial molar volume of water and ethanol in a solution with Xx20=0.60 at 25°C are 17.0 and 57.0 cm mol-, respectively. Calculate the volume change upon mixing sufficient ethanol with 2.00 mol of water to give this concentration. The densities of water and ethanol are 0.997 and 0.7893 g cm , respectively, at this temperature.
The partial molar volumes of water and ethanol in a solution with xH2O = 0.45 at 25 ∘C are 17.0 and 57.5 cm3 mol−1, respectively. Calculate the volume change upon mixing sufficient ethanol with 6.18 mol of water to give this concentration. The densities of water and ethanol are 0.997 and 0.7893 g cm−3, respectively, at this temperature.
The following question is physical chemistry. This is my second time answering the question.The first time I got 4.15 g/mol but that was incorrect Please help, thank you. QUESTION 4 Consider the following expression for osmotic pressure TV = XERT where it is the osmotic pressure. V is the molar volume of the solvent, xB is the mole fraction of the solute, R is the gas law constant, and T is the temperature (in Kelvin). The molar volume of a...
How many moles of phosphorus trichloride may theoretically form when 2.409 g of chlorine reacts? (Use 70.90 g moll for the molar mass of chlorine.) P4(s) + 6 Cl2(g) -> 4 PC13(1) What is the limiting reagent when 0.7541 g of phosphorus reacts with 2.409 g of chlorine? P4(s) + 6 Cl2(g) - 4 PC13(0) P4 Cl2 PCI3 Calculate the theoretical yield of phosphorus trichloride (in g) when 0.7541 g of phosphorus reacts with 2.409 g of chlorine. (Use 137.3...
Physical Chemistry, Please show work so I can understand, Thank You! Chemistry 452 2016-10-10 Glucose-Lactate Under anaarobic conditions glucose is broken down in the muscle tissue to form lactic acid according to the reaction Part D GGH1206 -2CHзсH (он соон Calculate the molar enthalny change the reaction at T-310K For answering the questions below the following data will be use valid at T-298K and P 101325 Pa usetul. These data a (JKmal Glucose -1273.1 219 2092 Lactic Acid 673.6 127.6...
Substance 3: Physical description: This substance is an odorless, white, crystal white powder when dry. San odorless, white, crystalline substance that is readily ground into a Chemical information: Observed melting point: 732-734 °C Observed boiling point: 1437 °C Estimated MW: 121 g/mol Density: 2.74 g/cm Solubility in water: Soluble Other: Hygroscopic Spectroscopic information: There are no IR bands nor 'H or C NMR data for this compound. In flame atomization, this compound emitted a faint purple flame. No carbons or...
The density of a NaCI crystal is 2.17 g/cm^3. The atomic mass of Na and Cl are 22 990 and 35.453 g/mole, respectively Compute the atom densities (in atoms/cm^3) of Na and Cl in the crystal.