0(a) e densities of air at −85 °C, 0 °C, and 100 °C are 1.877 g dm−3, 1.294 g dm−3, and 0.946 g dm−3, respectively. From these data, and assuming that air obeys Charles’ law, determine a value for the absolute zero of temperature in degrees Celsius.

Q: To what temperature must 76.3 g of krypton be raised in order to have the same rootmean-squared…

A: Root mean square speed of gas molecules can be calculate from the following formula

Q: 10) Iron nail rusts when exposed to oxygen.4Fe(s) + 3 O2(g)2 Fe2O3(s) a)What volume of oxygen gasat…

A: Given: 4Fe(s) + 3O2(g)--------->2 Fe2O3(s). The temperature, (T) =  310C = (.31+273.15) = 304.15…

Q: A gas at 7.75 x 10 Pa and 17°C occupies a volume of 850. cm. At what temperature, in degrees…

A: Initial pressure = P1= 7.75 * 104 PaInitial Temperature = T1  = 17°C = (17 +273.15 )K =290.15…

Q: If 18.3g N2O2 occupies 5.4 L at 250 K, what is the volume if all of the N2O4 is converted to NO2 at…

A: The complete reaction is given as, N2O4 →2 NO2

Q: If 18.3 g N2O4 occupies 5.4 L at 250 K, what is the volume if all of the N2O4 is converted to NO2 at…

A: Given : Mass of N2O4 = 18.3 g And volume of N2O4 = 5.4 L The conversion reaction taking place can be…

Q: If a sample of gas at constant pressure has a volume of 441 mL at 36.5 °C, what will its volume be…

A: Given, Initial Volume = 441 mL  Initial Temperature = 36.5°C  Final temperature = 77.6°C  Final…

Q: 2. A sample of carbon monoxide at 670C and under 0.75 atm of pressure takes up 89.3 L of space. What…

A: Given : A sample of carbon monoxide at 67oC and under 0.75 atm of pressure takes up 89.3 L of space.…

Q: 2. At what temperature will 0.84 moles of neon gas occupy 120 cm' at 1 atmosphere?

A:

Q: There are two particles, one is heavy and the other is light. The light particles diffuse faster…

A: Graham's law of effusion : This law states that the rate of diffusion /effusion of any gas is…

Q: If a balloon at 275 kelvins decreases in volume from 3.5 liters to 3.55 liters, what will its new…

A: The new temperature has to be calculated, Given: V1=3.5 L V2=3.55 L T1=275 K

Q: What volume of gaseous water, H2O, has the same moles of gas as 10.0 L of xenon gas at the same…

A:

Q: Chlorine can be prepared in the laboratory by the reaction of manganesć diôXide Wilh Hyurehone aciU,…

A: Given : Volume of Cl2 = 165ml Pressure = 795torr Temperature = 298K

Q: What volume (in mL) of 3.20 M HNO3(aq) needs to be added to excess Na2CO3(s) tc generate 4.85 L…

A:

Q: [References] In 1897 the Swedish explorer Andreé tried to reach the North Pole in a balloon. The…

A: Given: Volume of Balloon = 4800 m3 loss of gas during filling = 20 % Temperature = 0 oC = 273.15 K…

Q: (5) Using the data in Table 1C.3 (from the textbook), calculate the pressure that 2.500 moles of…

A:

Q: 2. A 25.0 L sample of gas contains 0.75 moles of bromine, Br2. At the same temperature and pressure,…

A: Ideal Gas EquationPV=nRTwhere , P=Pressure of gas in atm           V=Volume of container of gas…

Q: What is the density (in g/L) of carbon tetrachloride (CCl4) vapor at 728 mm Hg and 120 °C ?

A: It is given that CCl4 has a vapour pressure of 728 mmHg and is at a temperature of 120°C, The…

Q: A sample of oxygen gas initially at 373 K was heated to 427 K. If the volume of the oxygen gas…

A: Given that, pressure is held constant. Volume and temperature are changing.

Q: 3. Calculate the pressure inside a tube, given that the tube's volume is 4.0 L, its temperature is…

A:

Q: A quantity of gas weighing 7.8 g at 755 torr and 40°C occupies a volume of 6 liters. What is its…

A: The ideal gas equation relates the pressure and volume and moles of a substance at a particular…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A:

Q: 3. A plastic tank containing a gas of 7.8 L and 5.35 atm at 7 °C weighs 96 g. If the empty tank…

A:

Q: Suppose that a liquid is 10 times denser than water. If you were to sip this liquid at sea level…

A: Given The atmospheric pressure= 1atm g = 9.8m/s2 d2= 10d1 d1= 1g/cc   when both the pressures are…

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: What is the density of N2O5 under standard temperature and pressure conditions, in g/L?

A: At standard pressure and temperature, volume of one mole of gas is 22.4 L.

Q: Could you lift 3.33 x 10 33 atoms of lead at one time?

A: Given : Number of lead atoms = 3.33 X 1033

Q: At a given temperature and pressure, Helium takes 4.98 minutes for a 1.5 L sample to effuse through…

A: Graham`s law of diffusion: the rate of effusion of a gas is inversely proportional to the square…

Q: 2. What is the density of nitrogen gas at 44.8°C and 141 kPa?

A:

Q: 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of…

A: A chemical equation is said to balanced if the number of atoms of each element or compound is same…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Given,Volume of Cl2 gas, V = 175 mL = 0.175 L    (1 mL = 0.001 L)Temperature, T = 25 °C = (25 + 273)…

Q: What is the density of ammonia, NH3, at 800 torr and 25°C?

A:

Q: What is the density of mustard gas, C4H8Cl2S, at 265 mmHg and a temperature of 315K

A: Given,Pressure = 265mmHg.Temperature = 315K.Density is the ratio of mass and volume.  From ideal gas…

Q: Under constant-pressure conditions a sample of hydrogen gas initially at 88°C (361K) and 9600 mL is…

A: Given : Initial volume of gas = 9600 mL Initial temperature of gas = 88 oC And final volume of gas =…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Volume of Cl2 = 255 mL or 0.255 L Temperature = 25◦C or (273.15 + 25) K Pressure = 745 torr or…

Q: The gill is an obscure unit of volume. If some H2(g) has avolume of 17.4 gills at 100°F, what volume…

A: Step : 1              What volume would it have if the temperature were reduced to 0°F ?

Q: 5. To what temperature must a gas sample at 20°C be heated in order to double its volume?

A:

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Given data,Volume of…

Q: 1) a) Sulfuric acid, the industrial chemical produced in the greatest quantity each year, is…

A: Given :  Mass of sulphur = 1850 gm  Volume of O2 gas = 6.50 x 104 ml = 65.0 L  Pressure = 0.965 atm…

Q: 7.If container "A" is occupied by 1.0 mole of oxygen gas (molar mass 32.0 g/mol) while container "B"…

A: Using ideal gas equation,  PV=nRT  If T and P are constant then volume is directly proportional to…

Q: the density of hydrogen is 0.090 g/L and its rate of diffusion is 5.93 times that of chlorine, what…

A: In this question, we want to determine the density of Chlorine.  How we can determine the density of…

Q: Patrences In 1897 the Swedish explorer Andree tried to reach the North Pole in a balloon. The…

A: Volume of balloon = 4800m3. % loss of Hydrogen = 20% Therefore, volume of Hydrogen to be released to…

Q: 1) a) Sulfuric acid, the industrial chemical produced in the greatest quantity each year, is…

A: Given :  Mass of sulfur = 1850 gm  Volume of O2 gas = 6.50 x 101 ml = 6.5 x 10-2 L  Pressure of O2…

Q: Which of the following is a mathematical expression of the Ideal Gas Law, using the symbols commonly…

A: Ideal gas laws are used to relates the four independent physical properties of a gas at any time.

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Given balanced equation is MnO2(s) + 4HCl(aq) ------> MnCl2(aq) + 2H2O(l) + Cl2(g) From balanced…

Q: 2. There is 1250. cm³ of chlorine gas at 25°C and 90,000 Pascals, what volume will the same gas…

A: Combined gas equation is the combination of Boyle's law, Charles law and Gay lussacs law.

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: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A:

Q: A mixture of methane (CH,) and butane (C,H,,) at one atmosphere pressure and 25°C has a density of…

A:

Q: Hydrogen gas can be prepared by the reaction of zinc metal with dilute aqueous hydrochloric acid:…

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.