3. Why is the density of a gas much lower than that of a liquid or solid under atmospheric conditions? What units are normally used to express the density of gases?

Q: Assuming natural gas was entirely methane (CH4), what would the density be at standard conditions?…

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Q: Methane burns in oxygen to produce CO2 and H2O.  CH4(g)+2O2(g)→2H2O(l)+CO2(g) (0.60L)   What…

A: CH4(g) + 2O2(g)→2H2O(l) + CO2(g)

Q: Magnesium oxide decomposes into magnesium and oxygen. If 12.09g of magnesium oxide decomposes to…

A: According to the principle of conservation of mass, mass of reactant is equal to the mass of…

Q: Determine whether extensive or intensive 1. Weight 2. Pressure 3 One mol of gaseous water above…

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Q: A sample of O2 gas at a given temperature and pressure has a density of 1.30 g/L. What is the…

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Q: Pls help ASAP

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Q: A student obtained the following results in a Dumas method experiment: mass of flask = 195.316 g…

A: given data ;- mass of flask =195.316 g mass of flask + condensed vapours = 196.032 g  mass of…

Q: Mg (s) + HCl (aq) → MgCl2 (aq) + H2 (g) What volume (in L) of H2 at 35 oC and 765 mm Hg can be…

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Q: 6. The pharmacy believes that the reaction, when it occurs in the stomach, may have an unintended…

A: In continuation of the earlier problem 5, the no. of moles of CO2 = 0.167mole

Q: If 2.73 mol argon gas occupies a volume of 148 L at a particular temperature and pressure, what…

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Q: 8. What happens to the average kinetic energy (speed) of the particles in a sample of matter as the…

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Q: 7. A sample of 10.00 g of oxygen has a volume of 6702 mL. The same weight of carbon dioxide occupies…

A: Density measures the quantity of matter present in a particular volume, which is generally expressed…

Q: Iron(III) chloride is used to treat drinking and waste water. It can be made by reacting iron with…

A: Ideal gas equation is used to relate the volume of ideal gas, pressure, temperature and number of…

Q: A mixture of hydrazine (N2H4) and hydrogen peroxide (H2O2) is used as a rocket fuel. These two…

A: Calculate the number of moles of hydrazine. Number of moles = Given mass Molar mass Number of moles…

Q: Complete combustion of 16 liters of gasoline consisting of a mixture of heptane gas (C7H16) and…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Ozone is a trace atmospheric gas which plays an important role in screening the Earth from harmful…

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Q: Carbon disulfide gas and oxygen gas react to form sulfur dioxide gas and carbon dioxide gas. What…

A: The number of moles is defined as the mass-to-molar mass ratio of a substance. It is represented by…

Q: The noble gas argon was discovered by Sir Walter Ramsay and John William Strutt in England in 1895.…

A: Accurate measurements of gas densities was achieved by the discovery of argon (noble gas) by Sir…

Q: 1. Due to diffusion a) Spread of radioactive particles around the world b) Spread of mercury waste…

A: 1. Few information about diffusion: If molecules present in one region and are rich in concentration…

Q: CaCO3 decomposes at 1200° C to form CO2 gas and Cao. If 25 L of CO2 are collected at 1200° C, what…

A: Ideal Gas Law : According to ideal gas law at a temperature T, pressure P , if the volume occupied…

Q: At a certain temperature and pressure, 1 L of CO21 L of CO2 gas weighs 1.75 g.1.75 g. What is the…

A: Since the temperature and pressure of the gas is same  And also volume of both gas is given same…

Q: What volume of hydrogen gas is produced when 6.97 g of iron reacts completely according to the…

A: Given  Reaction  Iron(s)  +  Hydrochloric acid(aq)  →  Iron ( II ) chloride(aq)  + Hydrogen(g) Mass…

Q: the heavy gas particles took twice as long to diffuse as the light gas particles. This means that…

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Q: the density of ____________ gas is 5.54 g/L. A) sulfur trioxide B) carbon dioxide C) sulfur dioxide…

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Q: People pass, on average, .75 LITERS of gas per day. This is about .0536 g of methane per 24 hour…

A: Methane passed in a day =0.0536 g

Q: H2(g) + Cl2(g) ----> 2 HClg) Use the following conversions: 1 mol = MW in g (2 d.p.) = 22.414 L How…

A: We are given the volume of the reactant, Cl2, and we have to find grams of HCl formed using the…

Q: Ammonia gas and oxygen gas react to form water vapor and nitrogen monoxide gas , what volume of…

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Q: Equal volumes of all gases, under the same conditions of temperature and pressure, contain (very…

A: There are various types of laws and hypothesis regarding gasses.

Q: Explain and write down the kinetic theory of matter

A: Kinetic theory of matter: it is simply known as collision theory, it states that all matter…

Q: How much space (liters) of Ne gas does

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Q: The density of nitric oxide (NO) gas at 1.21 atm and 39.9°C is ________ g/L.

A: The ideal gas equation is : PV = nRT P = Pressure of gas V = Volume of gas n = number of moles of…

Q: Methane burns in oxygen to produce CO2 and H2O.  CH4(g)+2O2(g)→2H2O(l)+CO2(g)   What volume of…

A: From the given reaction, it is clear that one mole of methane reacts with two moles of oxygen to…

Q: A 296.1 gram sample of neon is introduced into a 3.51 L cylinder which is then heated until the…

A: To solve this problem we will use Ideal gas equation which is given as  PV = nRT  Where ,  P =…

Q: Refrigerators are usually kept at about 5ﾟC, when Room temperature is about 20ﾟC. If you were to…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant =…

Q: It takes 2.600 in³ of mercury to make one manometer. Find the price of the mercury used to make 15…

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Q: To determine the density of atmospheric nitrogen, Strutt removed the oxygen, water, carbon dioxide,…

A: Given: mass of nitrogen = 0.20389 g density = 1.25718 g/L volume of glass tube = ?

Q: What volume of propane gas, C3H8, reacts to give 5.00 L of carbon dioxide gas? (Assume temperature…

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Q: _10. Propane burns in air according to the equation: CaHs (g) + 502 (g) →3CO: (g) + 4H;0 (g) what…

A: The given equation : C   C3H8g       +     5O2g    →    3CO2g   +   4H2Og3×12+8×1…

Q: Ammonium chloride and calcium hydroxide can react. The ammonia that is released in the reaction is…

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Q: 1. Two bottles at the same temperature containing hydrogen sulphide (H2S) and ammonia (NH3) are…

A: Answers 1. D. NH3  molar mass of NH3 is lesser than that of H2S. rate of diffusion of gas is…

Q: A sample of nitrogen gas occupies a volume of 250. mL at 25.0°C. What volume will it occupy at…

A: It is an example of Charles law

Q: Hydrogen gas is produced when magnesium metal reacts with hydrochloric acid. In the lab, a student…

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Q: A 3.75 L sample of O2 at STP contains what mass of O2?

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Q: Assume the density of air at room temperature is 1.2 g/mL. A student is holding two balloons filled…

A: The given data in above questions . Density of air at room temperature = 1.2 g/mL Two balloons are…

Q: A mixture of hydrazine (N2H4) and hydrogen peroxide (H2O2) is used as a rocket fuel. These two…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: 2. Suppose 71.0 mL of dioxygen gas are produced by this reaction, at a temperature of 50.0 °C and…

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Q: T26 What is the density of argon gas at STP? Select one: a. 0.562 g/L b. 1.78 g/ml c. 0.562 g/ml d.…

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Q: Which of these properties is/are characteristic(s) of gases? I. High compressibility II. Relatively…

A: The matter is anything that occupies space and is having mass. There are three main states solid…