A student performed the experiment described in this module, using 7.00 mL of a 1.8% H2O2 solution with a density of 1.01 g mL-1. The water temperature was 20 ° C, and the barometric pressure in the laboratory was 30.02 in. Hg. After the student immersed the yeast in the peroxide solution, she collected 45.1 mL of O2. (4) Calculate the water temperature, in Celsius, to kelvins.

Q: The elevation in boiling p CuC I, in 1 kg of water u: (molecular weight K%30.52 K mol-1) pe

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Q: Commercial nitric acid is 16.0 M HNO3(aq) and has a density of 1.42 g mL-1. What is the mole…

A:

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

A:

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

A:

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

A:

Q: The boiling point of a methanolic solution of the non-electrolyte, acetamide (CH3CONH2) is 66.9 °C.…

A: PERCENT MASS: When one or two chemical compounds are dissolved in a suitable solvent, it forms a…

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

A: To solve this question we need to first calculate the no. of moles of O2 formed during the reaction.…

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: 1. The solubility of L-glutamic acid (an amino acid) in water has been determined to be as follows…

A: Solubility:   When the maximum amount of solute is dissolve in the solvent is called solubility. On…

Q: A certain liquid X has a normal boiling point of 114.40 °C and a boiling point elevation constant K…

A: The boiling point of the pure liquid = 114.40 0C. The boiling point of the solution = 115.1 0C.…

Q: A reaction mixture that consisted of 0.20 mol N2(g) and 0.20 mol H2(g) was introduced into a reactor…

A: Calculation of concentration:

Q: The volume of the mixture prepared by taking 1.158 mol and 0.842 mol of water and ethanol,…

A: To find: To find the partial molar volume of ethanol and the volume change during the preparation of…

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

A: Given, collected oxygen is 79.20 ml  We know According to moles concept 1 mol O2 = 22400 ml O2

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: What is the mole fraction of potassium permanganate, KMnO4, in an aqueous solution that contains…

A: To find mole fraction of KMnO4, first calculate moles of KMnO4 and H2O. Then divide moles of KMnO4…

Q: A 0.025 M carbon dioxide, CO2, aqueous solution is prepared. What is the partial pressure (in atm to…

A:

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: A student performed the experiment described in this module, using 7.00 mL of a 1.8% H2O2 solution…

A: Given that,barometric pressure = 30.02 in Hg = 30.02 x 25.4 = 762.508 mm Hg1 in Hg = 25.4 mmHg Vapor…

Q: The molal freezing point depression constant =Kf·7.96°C·kgmol−1 for a certain substance X. When…

A: Answer: We will calculate the depression in freezing point using following formula:…

Q: O Calculate the mass of H2O2 in 5.00 mL of the H2O2 solution.

A:

Q: (a) State the following:(i) Henry’s law about partial pressure of a gas in a mixture.(ii) Raoult’s…

A: (a) Henry's law is applicable for the ideal gases whereas Raoult's law is applicable for the…

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

A: Given data Volume of Solution = 6ml Density of solution= 1.03 g /ml Mass of 6ml  solution =…

Q: A student performed the experiment described in this module, using 5.00 mL of a 3.2% H2O2 solution…

A: To calculate the percentage error, we need to find the gas constant (R) value obtained from the…

Q: The molal boiling point elevation constant =Kb·0.53°C·kgmol−1 for a certain substance X. When 7.3g…

A: We will calculate boiling point of pure solvent.

Q: Thirty milliliters of ferrous ammonium sulfate solution contain 1.176 grams of pure…

A: As per the standard definition, normality is described as the number of gram or mole equivalents of…

Q: An aqueous solution of mass of 100 g of aqueous copper II sulfate CuSO4.xH₂O was prepared by…

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Q: The sealed containers of fizzy drinks contain dissolved CO2. This dissolved CO2 is in equilibrium…

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

A: To find: number of moles of H2O2 reacting. Given that: Volume of H2O2 solution = 4.00 mlDensity of…

Q: Solutions of hydrogen in palladium may be formed by exposing Pd metal to H2 gas. The concentration…

A: Henry's law basically states that concentration of any gas is directly related to corresponding…

Q: A student performed the experiment described in this module, using 7.00 mL of a 1.8% H2O2 solution…

A: First calculating the H2O2: 1.8% H2O2 solution means 1.8 g H2O2 in 100 ml of watermass in 7 ml = 1.8…

Q: A certain liquid X has a normal freezing point of 7.00°C and a freezing point depression constant…

A: For an ideal solution containing a strong electrolyte, Raoult's law states that: ∆Tf=i.Kf.C Where:…

Q: A student performed the experiment described in this module, using 5.00 mL of a 3.2% H2O2 solution…

A: We are given that the temperature of the water is 18°C, in the experiment which is formed by the…

Q: Osmotic pressures are often reported in units of atmospheres or mm Hg. The latter implies that the…

A: One torr is approximately equal to the pressure required to raise the column of mercury by 1 mm.…