A student obtained the following data from this experiment. Calculate the approximate molecular weight of this unknown compound. Volume of unknown liquid used: 11.0 mL Barometric pressure: 750 Torr Mass of flask and foil cap: 89.617 g Mass of flask, foil cap, and condensed vapor: 91.458 g Volume of the flask: 285 mL Temperature of the boiling water bath: 100oC Group of answer choices A. 100 g/mol B. 5194 g/mol C. 58 g/mol D. 200 g/mol

Q: In testing for the ideal gas law, which of the following deviations from the experiment would most…

A: A gas can be described based on four important properties that is pressure, temperature, volume and…

Q: How many moles of gas does it take to occupy 520 mL at a pressure of 400 torr and a temperature of…

A: We will use ideal gas equation

Q: pllege.com/course. tml?courseld%3=16914186&OpenVellumHMAC=Df8cc2710256b118234d2cdf Maps M Gmail…

A:

Q: RAW DATA 7>Height difference 5.50 cm Volume of enclosed gas (V) 63.80 mL Temperature of enclosed gas…

A: Barometric pressure = 755 torr

Q: A sample of Oz with an initial temperature of 50.0°C and a volume of 105 L is cooled to-25 °C. The…

A: The GUESS method is the process to solve the numerical step by step. The full form of GUESS is…

Q: A previous Chem 100 student carried out the experiment you did by reacting 0.031 g of magnesium. The…

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume,…

Q: In testing for the ideal gas law, a student not well-familiarized with the order of the procedures…

A:

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: show the complete solution and answer with significant figures only our constants: R = 62.36…

A: According to the ideal gas equation: PV = nRT Where, P = pressure of gas V = volume of gas T =…

Q: The volume of a gas is 470 mL at 625 kPa pressure. What will the pressure be when the volume is…

A: P2 = 310.94 kPa

Q: In a different experiment you heat KCIO3 and collect the gas given off. 4. Will you store the…

A: Since you have asked multiple questions, we will solve the first one for you (heating of KClO3)! For…

Q: A 25.0 mL sample of ozone gas at 10 ∘C and 0.490 atm is cooled to a pressure of 0.320 atm. If the…

A: Given P1 = 0.490 atm T1 = 10°C P2 = 0.320 atm T2 = ?

Q: A previous Chem 100 student carried out the experiment you did by reacting 0.035 g of magnesium. The…

A: We have the ideal gas equation PV = nRT Here, P = pressure of the gas in atm V= volume of the gas in…

Q: Report all your results by using significant figures and use dimensional analysis. A flammable gas…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: #3

A:

Q: 2. How will you be able to tell that your liquid sample is completely vaporized? How long will it…

A: 2. We can tell that a liquid is completely vaporized when no more liquid is left or wets the surface…

Q: Density of a gas often reflects its isotopic composition. Consider a gas sample containing H2 and HD…

A: Given -> Volume (V) = 1000 cm3 = 1000 ml = 1 Litere Weight of gas sample(w) = 0.1105 gram

Q: What would be the effect on the molar volume if oxygen instead of hydrogen gas (as in equation…

A: The solution of the given question is

Q: Pressure Volume 18 kPa 60.0 ml 21 kPa 50.0 ml 27 kPa 40.0 ml 35 kPa 30.0 ml 54 kPa 20.0 ml…

A: Boyle’s law states that for constant conditions of temperature, the pressure of a gas is inversely…

Q: Data Set Exp.7 Use the following data to determine the molar mass of the gas The mass of the flask…

A:

Q: In this experiment, you will determine the molar volume of a gas by conducting a chemical reaction…

A: An ideal gas is defined as a hypothetical gaseous substance whose behavior is independent of…

Q: Calculate the pressure (in mmHg, density of Hg = 13.6g/ml)) for a column of water density of…

A:

Q: What is the physical significance of the pressure drop? Why is it needed to be determined

A: The higher the pressure drop in the line, the greater the amount of energy consumed to maintain the…

Q: Data for unKnown Sample 1. Mass of flask + foil cap 68.9369 g 2. Volume of gas - volume of flask…

A: Temperature = 97.7℃ = (97.7 + 273) k                                         => 370.7 k Pressure…

Q: Determine the new volume of a gas that was originally 5.6 L if the pressure increased from 79.3 kPa…

A: Using formulaV1P1=V2P2V1=5.6LV2=?P1=79.3kPaP2=112.4kPaputting the values we…

Q: Mass of flask + foil + rubberband: 78.637 gMass of flask + foil and rubberband+ unknown condensed…

A: ITEMS USED FOR EXPERIMENT: •Ring stand •Hot plate •125 mL Erlenmeyer flask •400 mL beaker •10 mL…

Q: In a different experiment you heat KCIO, and collect the gas given off. 4. Will you store the…

A:

Q: Calculate the volume of the flask using the mass of water which filled the flask and the density of…

A: Answer in table Temperaure (°C) 20 21 22 23 24 25 26 27 28 29 30 Density (g/mL) 0.9972 0.9970…

Q: Perfumers formulate their products by combining essential oils. Generally, perfumes are considered…

A: According to kinetic molecular theory of gases,molecules of the gas are constantly in motion due to…

Q: Room temperature:   295.9 K Barometric pressure:   769.0 mmHg Vapor of water:   21.1 mmHg Volume of…

A: The ideal gas law equation is expressed as:

Q: Calculate the molar volume of water at 50 ºC and 1 atm, and at 50 ºC and 100 atm. Data: ρ50 ºC, 1…

A: The volume occupied by 1 mol of any gas at a given temperature and pressure ids called the molar…

Q: The normal respiratory rate for a human being is 15 breaths per minute.  If the average volume of…

A: Given data-  Volume of air in each breathe (V) = 500mL Temperature (T) = 210C = 294K Pressure (P) =…

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

A: Partial Molar Volume :-         Partial molar volume of a substance X in a mixture is the change in…

Q: A previous Chem 100 student carried out the experiment you did by reacting 0.039 g of magnesium. The…

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume,…

Q: Find the mass of carbon dioxide having a pressure of 20 psia at 200° F with a volume of 10 cubic ft.

A: Given, Pressure=20 psia 20 psia=1.360 atm Temperature=200 °F 200 F= 366.483 K Volume = 10 cubic ft.…

Q: Question attached

A: ppm: Its full form is parts per million. The concentration of a gas can be expressed by ppm unit.…

Q: Molecular weight of a volatile liquid A student had the following data: mass of volatile liquid:…

A:

Q: Mass KCIO,= 0.25g Mass empty test tube= 17.00g Mass test tube +kcl = 17.15g P = 740mmHg P =17.5mmHg…

A: Given that: Mass KClO3 = 0.25g Mass empty test tube= 17.00g Mass test tube +KCl = 17.15g Patm = 740…

Q: Solve this

A: The % of KClO3 (mass %) can be calculated by using the formula, % KClO3=Mass of KClO3 in gramsMass…

Q: The following data was obtained during the alar Mass of Magnasium simula Initial pressure reading…

A: Applying PV = nRT  Where P = pressure = 1.296atm , V = volume= 78.41mL or 0.0784Lt n = no. of moles…

Q: If the volume of a gas is 3.6 Land exerts a pressure of 3.1 atm, what will the pressure be if the…

A: Given :-  initial pressure = 3.1 atm  initial volume = 3.6 L  final volume = 6.5 L To calculate :-…

Q: How many moles of gas does it take to occupy 520 mL at a pressure of 400 torr and a temperature of…

A: Given: Volume of gas = 520 mL Temperature of gas = 340 K And pressure of gas = 400 torr Since 1 mL =…

Q: ** 16. If nitrogen gas and oxygen gas are combined in a tank, they will be at the same tem- perature…

A: Solution According to Dalton's law of partial pressures, the full pressure by a mix of gases is…

Q: Determine the root mean square velocity of nitrogen molecules at 250.0 ºC in meters per second…

A:

Q: A sample of an unknown gas with a mass of 1.620g occupied a volume of 941mL when its pressure was…

A: Given  Mass of unknown gas = 1.620 gram  Volume = 941 mL               = 0.941 Liter         ( 1 mL…

Q: A volatile hydrocarbon (a binary compound of carbon and hydrogen) was determined to be 92.3 %…

A: We have find out empirical and molecular formula of this hydrocarbon.

Q: Dichlorodifluoromethane (CCl2F2, MW = 120.91 g/mol) is a refrigerant and aerosol spray propellant…

A: Given, P = 878 torr T = 32.0°C MW = 120.91 g/mol

Q: A 0.117 g sample of a diatomic gas occupies 41.5 mL at 24.9°C and 98.4 kPa. Identify the gas. O 38.0…

A:

Q: I'm unsure of how to answer the question attached. Also if u could explain what ppm means I assume…

A: First the number of moles of air is calculated using PV= nRT formula.

Q: A helium-filled balloon accidentally floats to the ceiling. The balloon is initially inflated to a…

A: Generally, the gas molecules are in constant motion. In a closed container the gas molecules occupy,…