What is the mole fraction of benzene in a mixture  consisting of 3.9 g of benzene (C6H6) and 2.3 g of toluene (C7H8)? (A) 0.67 (B) 0.33 (C) 0.10 (D) 0.63

Q: 4. In Beer's law (A = abc), what corresponds to y, m, x, and b in the equation of a line (y = mx +…

A: Beer's Law gives the relationship between absorption of light and concentration of absorbing…

Q: A tank was filled with 12 g of oxygen (O2), 73 g of nitrogen (N2) and 4 g of carbon dioxide(CO2). At…

A:

Q: Mixed Non-ideal Stoichiometry WS 1. What is the % yield of hydrogen if 5.93L are collected in a…

A:

Q: 7 Determine the Malar Mass Of chlerefom gas If a simple weighang o.3en is 0-389 18 in'aflasid with a…

A:

Q: e mole fraction of C2H

A:

Q: What is the mole fraction of ethane in a mixture that contains 6.92 grams of methane (CH4) and 16…

A: Number of moles = mass in gram/molar massNumber of moles of ethane = 16/30=0.53 moleNumber of moles…

Q: If the partial pressure of N2 is 3.50 x 105 Pa and the partial pressure of Ne is 3.75 x 105 Pa in a…

A:

Q: Part A Nitrogen dioxide obtained as a cylinder gas is always a mixture of NO2(9) and N3O4(g). 4.90…

A:

Q: When limestone (solid CaCO3) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas.…

A:

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

A: The decomposition of hydrogen peroxide can be represented as follows: 2H2O2  →  2H2O  +  O2

Q: Find the mole fraction (in percents) of C2 H2 (g) that has undergone reaction.

A: 3C2H2(g)       ⇔      C6H6 (g) Initial pressure         7.0 kPa…

Q: In practice, gas mixtures are almost always reported in terms of mass fractions and not mole…

A: Mass Fraction:- It is defined as the ratio of mass of constituent to the total mass of the mixture…

Q: Given that a bomb calorimeter has a volume of 1.5 L and a temperature of 25.00°C, what pressure of…

A: The chemical equation of combustion of sucrose is written as: C12H22O11 +12 O2→12CO2+11 H2O

Q: What is the root mean speed in m/s of I2 at 15°C? (write the solution without decimals)

A:

Q: A gas mixture has a molar composition of 10% H2, 10% O2, 30% CO2 and balance H0. What is the molar…

A: Given: The molar compositions of H2, O2 and CO2  are 10%, 10% and 30% respectively.

Q: A gas lias a volume of 450.0 mL. If the tempera- ture is held constant, what volume would the gas…

A: PV = nRT P is pressure V is volume n is number of moles T is absolute temperature R is universal gas…

Q: Gaseous ammonia is injected into the exhaust stream of a coal- burning power plant to reduce the…

A: Given: The rate of flow of exhaust at 955 K = 335 L/s The partial pressure of NO=22.4 torr (0.02943…

Q: In the combustion C6H6O2, what is the value of the slope expected for a) a plote of moles of C6H6O2…

A:

Q: 10 moles of CH4, 20 moles of C2H6 and 70 moles of C3H8 are kept in a container. The mole fraction of…

A:

Q: Ideal Gas Law The pressure P, temperature T, and volume V ofan ideal gas are related by PV = nRT,…

A: IN EACH CASE WE CAN FIND THE EXACT VALUE OF REQUIRED QUANTITY IF WE ARE GIVEN THE VALUE OF CONSTANTS…

Q: 10. Which of the following statements is incorrect?

A: A) A concentration cell or an electrolytic cell composed of 2 half-cells  with identical electrodes,…

Q: If I have a gas with a volume of 35.0 liters at 100. C and 3.00 atm, what is the volume of the gas…

A: At Initial Conditions : Volume, V1 = 35 L Temperature, T1 = 100 °C  = (100 + 273.15) K…

Q: Tail gas from a sulfur recovery plant has the following composition on a volume basis, SO2 (2.0%),…

A: The average molar mass of the mixture is 27.96 g/g mole

Q: A hydrocarbon mixture known to contain methane, ethene and butane only has a volume of 6.00L, a…

A:

Q: Using the procedure in Experiment 8, acetonitrile (molar mass = 41.05 g/mol) is collected at a…

A: Answer:- This question is answered by using the simple concept of calculation of volume of a gas…

Q: The [H3O*] of a 1.2 M of NH.CI (Kb = 1.8 x 10) in H2O at 25°C is. 2.58x10-5 4.2x 105 2.0x103 1.2…

A: Given: Molarity of NH4Cl = 1.2 M Kb = 1.8×10-5 in H2O at 25 oC. We have to calculate the [H3O+].

Q: Gases: You analyze that principal components of a gas inside a valve. Through spectroscopy, you were…

A: a)Mole fraction of a component= no.of moles of the component/total no. of moles of all the…

Q: if a steam reforming line processes methane at a temperature fo 725.0 degrees and atmospheric…

A: According to ideal gas equation, PV = nRTwhere P is the pressure in atmospheres, V is the volume in…

Q: 1. The research and development unit of a chemical company is studying the reaction of CH4 and H2S,…

A: Given :- Kc = 0.036 Temperature = 960 °C Moles of methane = 1 mol Moles of CS2 = 1 mol Moles of H2S…

Q: If the partial pressure of N2 is 3.25 x 105 and the partial pressure of Ne is 3.00 x 105 Pa in a…

A:

Q: 7- if a gas mixture contains 2.0 mol 02 (g), 3.0 mol H2O (E), and 12.0 mol N2 (g), what is the mole…

A: Mole fraction of oxygen = number of moles of oxygen / number of moles of oxygen + number of moles of…

Q: Using Ideal Gas Law formula: PV=nRT,  at what temperature would 3.67 mole P2O3 gas occupy 67.5L if…

A: Given data,Moles of P2O3=3.67molesVolume=67.5LPressure=115kPa

Q: Mustard gas, a chemical weapon used in World War II and more recently in the Middle East has been…

A: The equilibrium constant, K for a reaction is given as :

Q: Q 6 / Is there a relationship between pressure and molecular weight? With mentioning the…

A: For gases,  the relation between Molecular weight and Pressure can be explained with the help of…

Q: che partial pressure of O2(s

A:

Q: A gas mixture for use in some lasers contains 4.65 %%by weight HClHCl, 2.35 %% H2H2, and 93 %% NeNe.…

A: Number of moles of components in the mixture can be calculated as follows: No. of  moles of HCl =…

Q: SCle) +2 C,H4(g) S(CH;CH;CI)268) 4. Mustard gas, a chemical weapon used in World War II and more…

A: Given:   SCl2(g) + 2C2H4(g)  ↔ S(CH2CH2Cl)2 (g)  V = 3 L T = 29.5 oC = 29.5 + 273.15 = 302.65 K…

Q: Diethyl ether (CH3CH2OCH2CH3) was the first general anesthetic. It was first used in 1846 for…

A: Since according to ideal gas law we know  PV = nRT  where P = pressure V = volume n = moles R =…

Q: Figura 1: Espectro de 1H do reagente desconhecido 1H 3H 2 PPM

A:

Q: utane, C4H10C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The…

A: Calculate the no. of moles of Carbon dioxide (CO2 ) using the stoichiometric calculation. Apply…

Q: Butane, C4H10C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The…

A: 2C4H10+13O2→8CO2+10H2Omass of butane=2gmolar mass of butane=58gmoles=massmolar massmoles of butane =…

Q: 5.79 ® The gas from a certain volcano had the following com- position in mole percent (that is, mole…

A:

Q: An organic compound with the formula CxHyOz is analyzed and contains 40.00 %C and

A: We have to find empirical and molecular formula

Q: The mole fraction of He in a He/Ne mixture at 300 K is 0.40. If the total pressure is 1.2 atm,…

A: The volume can be calculated as: V=nRTP   =5×0.0821 atm·mol/L·K×300 K1.2 atm   =102.6 L

Q: Vessel A (volume 16.6 L) contains 30 g of hydrocarbon, and its pressure at 300 K is 1 atm.What is…

A:

Q: dissolved in a bottle of sparkling water if the manufacturer used a pressure of 2.68 atm in the…

A: According to Henry's law, P=KH​*SS is the solubility in moles per litreKH​ is the henry's law…

Q: When limestone (solid CaCO3) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas.…

A: This question is from chapter Chemical Equilibrium. We are asked to calculate the pressure…