A student performed the experiment described in this module, using 5.00 mL of a 3.2% H2O2 solution with a density of 1.52 g mL-1. The water temperature was 18 ° C, and the barometric pressure in the laboratory was 30.1 in. Hg. After the student immersed the yeast in the peroxide solution, she collected 85.3 mL of O2. (4) Calculate the water temperature, in Celsius, to kelvins.

Q: a reaction, 0.700g of Ca is added to 75.0mL of 1.0M HCl. Once the reaction is completed as…

A: “Since you have posted multiple subparts questions, we will provide the solution  only to the first…

Q: A student performed the experiment described in this module, using 6.00 mL of a 3% H2O2 solution…

A: Given, P1 = 30.30 in. Hg x (2.54 cm/1 in) x (10 torr Hg/1 cm Hg) = 769.62 torr Hg V1 = 65.40 mL =…

Q: what is the molar mass of toluene if 0.85g of toluent depresses freezing pt 1.00 x102 g of benzene…

A:

Q: 0.640g of Hexachlorophene (in soap) is dissolved in 25.0g of chloroform (Kb = 3.63 °C·kg/mol, Tb =…

A:

Q: A soft drink is made by dissolving CO2 gas at 3.60 atm in solution at 20oC. What amount (in moles)…

A:

Q: (1a) Pure benzophenane freezes at 66.6 °C. A solution of 7.75 g of biphenyl (C12H10; molar mass =…

A:

Q: calculate the molar mass of the polymer. Take the density of the solution to be 0.886 g cm

A: Organic solvent  tetrahydrofuran (C4H8O) The osmotic pressure () can be calculated from the…

Q: Calculate the solubility of N 2 in water when the partial pressure of nitrogen above water is1.10…

A: Solubility of nitrogen: First we have to find the k value,

Q: What is the osmotic pressure of a 300 mL aqueous solution containing 4 g of  Ca(NO3)2 at 25 °C?

A: Given : volume = 300 mL              Mass = 4 g       Temp = 25 °C

Q: A student performed the experiment described in this module, using 4.00 mL of a 3.5% H2O2 solution…

A: Given that,Volume of the original solution = 4 mLdensity of H2O2 = 1.61 g/mL mass of the solution =…

Q: At 297 k the vapor pressure of pure 2-butanone (CH3COCH₂CH3) is 0.126 atm and the vapor pressure of…

A: Mole fraction of 2-butanone

Q: Two bulbs, 1.20 L and 3.40 L in volume, connected by a stopcock, are filled, respectively,with argon…

A: We are authorized to solve only one question at a time. Please post rest of the questions…

Q: Calculate the mass of ethylene glycol (C₂H6O₂) that must be added to 1.00 kg of ethanol (C₂H5OH) to…

A:

Q: 10D. Colligative property measurements are instrumental in understanding the nature of ionic…

A: Colligative property is defined as those properties which are dependent upon the number of solute…

Q: the partial molar volumes of acetone and chloroform in a mixture in which the mole fraction of CHCl3…

A: In this question we have to use following steps: Mole fraction :    By  using this method we can…

Q: The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In…

A: To solve this problem we will first calculate the value of ∆Tf .   Then we will calculate the…

Q: A sample of nitrogen (N2) gas at 298.00 K in a piston has volume of 144 mL at 741 mmHg. If the…

A: Given, Initially : before compression Volume (V1) = 144 mL Pressure (P1) = 741 mmHg Later: after…

Q: In this problem, you have the same binary mixture of benzene and toluene that was prepared in…

A:

Q: O2 molecules and the vapor pressure of water at body temperature (37 °C) is 47 mm Hg. Taking the…

A: Given data: Vapour pressure of of water (Pvapor) = 47 mm Hg Total barometric pressure (Ptotal) = 621…

Q: The vapor pressure of water at 30 °C is 4.24 kPa. Calculate the vapor pressure if 95.0 g of…

A:

Q: Please help me with this, double and triple check your answers previous tutors got it wrong.

A: 1) Solids and liquids are not included in Kc and Kp equations as they have an activity equal to 1. :…

Q: Determine the mole fraction of acetone in a 1.00 m solution of acetone (CH3COCH3) dissolved in…

A: Given-> Molality = 1.00 m Density of acetone = 0.788 g/cm3 Density of ethanol = 0.789 g/cm3

Q: The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In…

A: Given as  The boiling point of chloroform, CHCl3, is 61.700 °C  Kb(chloroform) = 3.67 °C/m

Q: A student performed the experiment described in this module, using 6.00 mL of a 3% H2O2 solution…

A: Given, Total Pressure, P = 30.30 in. Hg 1 in = 2.54 cm 1 cm Hg = 10 torr Hg Total Pressure, P =…

Q: 8) Determine the mole fraction of LiCl in a 14.3051 wt % aqueous solution of LiCl.

A: The question is based on the concept of solutions. we have been given mass percentage. this is…

Q: Do both, just one, or neither of the following solutions conductelectricity? If just one, which one?

A: To explain which of the below solution conduct electricity. Sodium chloride dissolved in water…

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A:

Q: 3) Camphor (CioHıs0) melts at 179.8 °C, and it has a particularly large freezing point depression…

A: At a specific temperature, when vapor pressure of any particular substance in its liquid and solid…

Q: The vapor pressure of water at 30 °C is 4.24 kPa. Calculate the vapor pressure if 95.0 g of xylose,…

A: The question is based on the concept of colligative properties. We need to calculate vapour pressure…