both chemical and flame tests are used to positively identify carbon dioxide gas. true false

Q: Calculate the volume of carbon dioxide produced (at s.t.p) from the complete combustion of 96.08g of…

A: Mass of carbon, C(s) taken = 96.08 g  Molar mass of C(s) = 12.01 g/mol

Q: What are inert gases? Give examples?

A: In the periodic table, the elements are classified and grouped together into various blocks. There…

Q: pxygen gas? 2SO2(g) + O2(g) → 2SO3(9); A

A: When the decomposition of sulfur trioxide (SO3) occurs , the opposite reaction happens and therefore…

Q: What element forms a diatomic molecule and is the major constituent of the atmosphere?

A: First of all, a diatomic molecule is made from two atoms of same element and is said to be…

Q: Explain Nonideal-Gas Mixture?

A: ANSWERE IS GIVEN BELOW :

Q: A 0.215 g sample of zinc metal reacted with excess hydrochloric acid according to the following…

A: Theoretical Yield is the yield or the products that could be formed from the given amount of the…

Q: How many moles of Calcium carbonate and Oxygen are needed to remove 1.35 x10 gas of sulfate from the…

A: Mass of SO2 gas emitted = 1.35 × 106 g Molar mass of SO2 = 32 + 2(16) g/mol = 64 g/mol  Moles of SO2…

Q: Assume that a car burns octane, C8H18 (d = 0.703 g/cm3 ). a. Write the balanced equation for burning…

A: In a chemical reaction; the substance which involves in conversion is said to be reactant whereas…

Q: If carbon dioxide were released into the air would it initially, sink or float?

A: Usually all the gases are miscible in nature. When sufficient time is allowed all the gases are…

Q: mass of sample  0.309 g ambient pressure  724.8 mmHg  volume of gas  96.7 mL room temperature…

A: Here, the required chemical equation is given below: KClO4 = KCl + 2O2 Molecular weight of KClO4 =…

Q: How many liters of CO2 are produced when 3.46 Fe2O3 is converted to cast Fe at STP?

A: The ideal gas equation is given by, PV=nRT where P is the pressure, V is the volume, n is the number…

Q: 18. A mixture of 32 ml of hydrogen and 4 ml of oxygen is enclosed in a eudiometer. A spark is passed…

A: 2H2 + O2 → 2H2O 2 moles of H2 gas reacts with 1 mole of O2 gas to form 2 moles of H2O. A mixture of…

Q: Why is the composition of the atmosphere is not uniform?

A: The reason why the composition of the atmosphere is not uniform has to be given,

Q: * The Ozone gas at STP contains (6.022 x 10^23) molecules. True Flase

A: Ozone is a trimolecular gas consisting of oxygen atoms. It's chemical formula is O3.

Q: Calculate the volume of ammonia gas, measured at STP for the complete reaction of 25 g of quicklime…

A: According to Gas law, PV = nRTNow at STP, Pressure =1 atmT = 273 KR = 0.0821 LatmmolK   From this…

Q: When the chemical equation below is correctly balanced, what coefficient applies to oxygen gas?…

A: We have given the chemical equation as follow                _C2H5OH + ___ O2    →    ____ CO2 + ___…

Q: The chemical reaction shown below is carried out in two flasks with balloons attached to the top to…

A: According to the given chemical equation, 1 mole of Mg requires 2 moles of HCl to react completely.…

Q: produced. Write balanced equations for both reactions and identify the gases formed. + hydrogen vgas…

A:

Q: A chemist is performing a chemical reaction under a fume hood. The chemist has a set of beakers,…

A: Answer: This question is based on the fundamental understanding of thermodynamics that gives us the…

Q: What are the differences between anhydrous atmosphere and inert atmosphere?

A: Hbhhb

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 symbol of moles in the ideal gas equation? Select one: a. V b. R c. n d. P

A:

Q: >(a) What is the primary basis for the division of the atmosphere into different regions? (b)…

A: (a)The primary basis for the division of atmosphere into different regions is based on the…

Q: Write chemical equations for each of the following chemical and physical processes: (a) Reaction of…

A:

Q: The limit to the level of sulfur dioxide (SO,) in ambient air, set by the Turkish National Ambient…

A: Allowed concentration of SO2 = 350 ug/m^3 Now, 1 m^3 = 1000 L So, Allowed concentration = 350/1000…

Q: A gaseous element has a density of 1.22 g/L at 132 kPa and –10.0 oC. Calculate its molecular mass…

A: Given, Density of the gaseous element = 1.22g/L. Pressure of the gaseous element = 132kPa.…

Q: Why gas masks are used by miners in coal mines while working?

A: Given Why gas masks are used by miners in coal mines while working?

Q: A gas mixture consisting of 46.04% O2 and 53.96% He by mass, is used in scuba tanks for deep sea…

A: 46.04% O2 by mass in grams will be 46.04 g of oxygen gas. 53.96% He by mass in grams will be 53.96 g…

Q: The volume of hydrogen gas produced was not at standard temperature and pressure. Convert the volume…

A:

Q: Hydrogen cyanide (HCN) is a poisonous gas. Explain whysolutions of potassium cyanide (KCN) should…

A: HCN is a poisonous gas and is also called prussic acid.

Q: Which of the following substances was used to test for the pressence of carbon dioxide in expired…

A: The chemical formula of cabon dioxide is CO2.

Q: Assuming that the temperature of the atmosphere at 33.5 km of altitude is -33 °C, the concentration…

A: Given: Height or altitude of lake = 33.5 Km = 33500 m                              (Since 1 km =…

Q: Which statement describes a chemical property of hydrogen gas 1. Hydrogen gas burns in air. 2.…

A: Hydrogen is the most abundant element in the universe, it is found in the sun and the stars.It is a…

Q: Choose from the following gases which are unsuitable for use as a GC carrier gas? A. Helium B.…

A: Answer Chromatography is a common type of chromatography used…

Q: Oxyacetylene torches rely on a precise mixture of fuel (C₂H₂(g)) to oxygen to optimize the welding…

A:

Q: Classify  the listed properties of ozone (a pollutant in the lower atmosphere, but part of a…

A:

Q: 6. Calculate the temperature, density, and specific volume of 150 kg CO2 confined in a volume of 85…

A:

Q: Some chemical reactions are sensitive to air (oxygen or moisture), they are conducted under nitrogen…

A: In some cases, the reactant, the reagent or the product produced can be air sensitive. Being air…

Q: The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of…

A:

Q: Mid-latitude ozone depletion can happen because of denitrification that occurs on cold sulfuric acid…

A:

Q: Which of the following statement about coal gasification is INCORRECT? A. The synthesis gas is CH4.…

A: Coal gasification is the process of producing syngas- a mixture consisting primarily of CO, H2,CO2,…

Q: Since gas stoichiometry always begins with a balanced chemical equation, determine the coefficients…

A: When the count of elements on both the sides of the reaction are equal, the chemical reaction is…

Q: What is the difference between a CFC and an HFC?

A: Chlorofluorocarbons are commonly known as CFC Hydrofluorocrbons are commonly known as HFC

Q: a sample of nitrogen gas is placed in a sealed chamber, and the temperature is increased from 25 C…

A: According to Charles law, at constant pressure, the volume of a gas and its absolute temperature are…

Q: Standard temperature and pressure are (1atm=760mmHg)

A: Standard temperature and pressure(STP) is 273.15k(0°C,32°F) and 1atm(101.3kpa)

Q: Describe the principle of electrostatic precipitator and cyclone separator. How these…

A: Principle of Electrostatic Precipitator: Electrostatic precipitators work on the standard of the…

Q: 1) Write a balanced chemical equation, including state symbols, for the reaction between magnesium…

A: Mg react with HCl to produce H2 gas