Buckminsterfullerene is the famous "buckyball" molecule with the molecular formula C60. It has a cage-like structure that resembles a soccer ball, made of twenty hexagons and twelve pentagons. How many moles of C60 are there in 1.0 kg of Buckminsterfullerene? 0.023 mol 1.4 mol 8.4×1023 mol 4.3x10-20 mol 0.12 mol

Q: A sample of 2.5 moles of ideal gas is originally at 13°C. In a laboratory experiment, the pressure…

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Q: Platinum has a molar mass of 195 g/mol. If you have a ring that contains 2.3 g of platinum, how many…

A: given molar mass M =195g/mol we know molar mass M = m/n where m = mass of substance n = number of…

Q: How many grams of water 1H2O2 have the same number of oxygen atoms as 1.0 mol of oxygen gas?

A: 2H2O→2H2+O2 Molar mass of H2O=18 g Molar mass of O2=32 g

Q: During winter, a car tire has 9 × 10-³ m³ air in it at 220 kPa pressure and 261 K temperature. In…

A: given that,v1=9×10-3 m3p1=220 kpaT1=261 Kv2=11×10-3 m3

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A: As per rule, allowed to answer one question at a time and post the remaining in the next submission.

Q: A student drops two metallic objects into a 120 g tin container holding 150 g of water at 77,0°F.…

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Q: A 100-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 80°C. What is the…

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Q: How much ice at 0 degree Celsius must be poured into a 100 g of water at 80 degree Celsius, to…

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Q: Use Avogadro’s law to complete the table (assume pressure and temperature to be constant).

A: Given data: Volume V1=38.5 mL Number of moles n1=1.55×10-3 mol Volume V2=49.4 mL Number of moles…

Q: A solid container with a volume of 150 L at an initial pressure of 2 MPa was filled with a kilogram…

A: volume = 150 Lpressure P1 = 2MPatemp T2 = 40+273 = 313 KFINDP2 , T1

Q: A small metal bar, whose initial temperature is 25° C is dropped into a large container of boiling…

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Q: Which of the following materials expand the least when heated? A plastic cup A soda can A ceramic…

A: The expansion of material is totally depends on the coefficient of thermal expansion so the higher…

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Q: 2. A mixture of ethyl alcohol (molecular mass = 46.1 u) and water (mo- lecular mass = 18.0 u)…

A: M1=Molecular mass of ethyl alcohol=46.1 uM2=Molecular mass of water=18 um1=Mass of ethyl alcohol=20…

Q: Problem: First Law of Thermodynamics Three moles of a monoatomic ideal gas, which is

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Q: 40g of 0°C ice is placed in 100g of liquid water at 15°C. How much ice melts? (See the formula sheet…

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Q: A mixture of two gases, nitrogen and oxygen, contains 2.3 mol of nitrogen and 3.9 mol of oxygen.…

A: Given the number of moles of nitogen and oxygen as 2.3 mol and 3.9 molthe total pressure of mixture…

Q: A copper rod and an aluminum rod have lengths of 99.75 cm and 99.50 cm respectively at 20oC.  At…

A: Let's assume that at temperature T∘C, the length of both the rods be the same. The formula to…

Q: Gas is confined in a tank at a pressure of 9.7 atm and a temperature of 30.0°C. If two-thirds of the…

A: Given:initial pressure, P1 = 9.7 atminitial temperature, T1 = 30.0oC = 303 K2/3 of the gass is…

Q: A particular compound has an enthalpy of vaporization of 28300 J/mol. At 281 K it has a vapor…

A: Enthalpy of vaporization , ∆Hvap = 28300 J/mol  Initial Temperature , T1 = 281 K Initial Pressure ,…

Q: 17. If I have 6 moles of a gas at a pressure of 7.9 atm and a volume of 15 liters, what is the…

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Q: If a gas occupies 48.1 Lat 39 °C and 1.38 atm, what volume does the same amount of gas occupy if the…

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Q: A piece of dry ice (solid CO₂, d=0.900 g/mL) weighing10.0 g is placed in a 0.800-L bottle filled…

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Q: Which of the following shows the correct relationship among these three parameters: the total mass m…

A: In this problem, it is asking about the relation in mass, molar mass and number of moles.

Q: A system contains 100 g of oxygen. How many moles does it contain? How many molecules?

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Q: Gas is confined in a tank at a pressure of 12.8 atm and a temperature of 22.5°C. If two-thirds of…

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Q: 1. If I have 22.9 L of gas at a pressure of 15.0 kPa and a temperature of 150.°C, what will be the…

A: Since this question has many sub-question, i am showing you the concept, you can solve the remaining…

Q: 4.8 x 103 2.5 x 103 21 32 Temperature, °C Pressure, Pa

A: Total vapor pressure at 21°C is Ptotal=2.5×103 Pa.

Q: Gas is confined in a tank at a pressure of 9.2 atm and a temperature of 27.0°C. If two-thirds of the…

A: Initial pressure (Pi) = 9.2 atm Initial temperature (Ti) = 27°C = 300 K Final temperature (Tf) =…

Q: The four flasks below are of the same size and temperature but different in pressure. Which one…

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Q: Gas is confined in a tank at a pressure of 11.0 atm and a temperature of 25.0°C. If two-thirds of…

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Q: The average body temperature of a healthy person is  37.0°C.  Boltzmann's constant is 1.38 × 10−23…

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Q: A gas at 740 mm Hg and 18°C has a volume of 400 cc undergoes a pressure until the pressure becomes…

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Q: The figure shows a 50 kg lead cylindrical piston which floats on 0.68 mol of compressed air at 30°C.…

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Q: Gas is confined in a tank at a pressure of 12.7 atm and a temperature of 24.0°C. If two-thirds of…

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Q: If 50 g of lead (of specific heat 0.11 kcal/kg - °C) at 100°C is put into 75 g of water (of specific…

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