Which two gas samples have the same total number of molecules?

Q: Gaseous ammonia chemically reacts with oxygen gas to produce nitrogen monoxide gas and water vapor.…

A: Here we have use mole concept , first we write balanced chemical equation and do the stoichiometric…

Q: A 0.182 mol sample of 0, gas is contained in a 7.00 L flask at room temperature and pressure. What…

A: Given, At room temperature and pressure Moles of sample of oxygen (O2) = 0.182 mol Volume of the…

Q: The chemical formula for sodium chloride is NaCl. A chemist measured the amount of sodium chloride…

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Q: If you have a sample of 0.3154g of air and air is 78.0% nitrogen, by mass, what is the mass of…

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Q: What is the mass of one mole of hydrogen gas?

A: The mass of one mole of hydrogen gas has to be given.

Q: Nitrogen gas reacts with oxygen gas to produce nitrogen dioxide gas. What volume of nitrogen dioxide…

A: A balanced chemical equation is the one that contains the same number of different types of atoms on…

Q: Solid phosphorus reacts with chlorine gas to produce phosphorus chloried liquid. How many grams of…

A: When two or more molecules react to form another compound then the process is said to be a chemical…

Q: What is the final volume ( in liters) of nitrogen gas?

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Q: Which of the following graphs shows the relationship between the number of moles in the sample,n,and…

A: For the different mass of N2 gas, the temperature and the pressure of the N2 gas is given. To draw…

Q: What volume of hydrogen fluoride would be produced

A: Given :- volume of F2 consumed = 9.18 mL  To be calculated :- volume of HF produced  At STP :-  1…

Q: 5.6 × 10 mol mol 0 2 kg "m 2

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Q: Calculate the mass and number of moles of dinitrogen difluoride gas that were collected. R

A: Given: Volume= 30.0 L Pressure= 0.320 atm Temperature= 8.0oC= 281.15 K   To calculate:

Q: A 0.4567g sample containing Sodium Chloride and Barium Chloride yielded 0.8910g of dried silver…

A: The addition of a solution of AgNO3 to the sample containing sodium chloride and barium chloride can…

Q: Magnesium metal reacts with 0.100 L of 0.450 M hydrochloric acid to produce magnesium chloride and…

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Q: the volume of carbon dioxide gas that is produced.

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Q: Based on this information, what was the mass of the sample before and after heating? (Grams)

A: Mass of sample before heating = 31.909 - 30.453 = 1.456 gm

Q: Count total atoms. The number in front of the formula in parentheses is the coefficient:…

A: The total number of atoms present in the following compound has to be determined: 5 C20H25N3O2 The…

Q: Write the mole-to-mole ratio for iron (III) oxide and iron metal (Use a table)

A: A general molecular reaction for the synthesis of Fe2O3 (s) take place as follows; Fe(s)  +  O2 (g)…

Q: Adding helium to a balloon increased its volume from 309.1 mL to 1.695 L. If the final number of…

A: Given data,  Initial volume of helium gas in the balloon ( V1) = 309.1 mL = (309.1/1000) L = 0.3091…

Q: Which of the gases in the graph below has the largest molar mass? Explain your answer.

A: This graph the variation of molecular speed with relative number of particles.

Q: A glucose solution is frequently used as an intravenous (IV) solution to supply hydration and/or…

A: Solution

Q: how many liters of carbon dioxide are produced?

A: number of moles = mass ÷ molar mass  molar mass of C6H14 = 86.18 g/mol  at STP  1 mol = 22.4 L

Q: How many formula units of KMNO4 are in 75 g KMNO4? (Enter three digits for the coefficient)

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Q: What would happen to: a) Volume of gas, if number of mole increased? b) Number of moles, if volume…

A: Avogadro rule According to this rule at constant temperature and pressure, the volume of an ideal…

Q: Gaseous ammonia chemically reacts with oxygen gas to produce nitrogen monoxide gas and water vapor.…

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Q: A 4.42 mol4.42 mol sample of KrKr has a volume of 631 mL.631 mL. How many moles of KrKr are in a…

A: Molarity = Number of moles/Volume (L)

Q: 1.00 g of benzoic acid corresponds to how many mmols of this compound?

A: Given that, 1.00 g of benzoic acid. We have to calculate the corresponds amount of benzoic acid in…

Q: If the amount of gas collected had not been corrected for the presence of water vapor, would you…

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Q: Use the molar volume to calculate each of the following STP. The number of grams of H2 in 1920 mL of…

A: Given, volume of H2 = 1920 mL = 1.92 L It is known that at STP(Standard temperature and pressure),1…

Q: Give three real life situations/applications of gas stoichiometry

A: There are many real life applications of gas stoichiometry which are defined below Stoichiometry is…

Q: Calculate the mass of oxygen gas required to

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Q: How much would 1 trillion oxygen gas molecules weigh in grams

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How to calculate volume

A: Volume is the space covered by any Substance or object. It depends on the type and shape of…

Q: Determine the experimental mole of hydrogen gas produced. [ Select ] >

A: 2Al (s) + 6HCl (aq) gives 2AlCl3 (aq) + 3H2(g) A) The total pressure of the gaseous system is given…

Q: What would you multiply "moles of helium" by to get the units "grams of helium"? moles He x (number)…

A: Simply use the mole relation for the conversion of moles into mass.

Q: Determine the formula weight of CaCl₂. Provide an answer to two decimal places.

A: FORMULA MASS: Every element in the periodic table has its own atomic masses. A chemical compound is…

Q: Choose the correct answer. Choose A is a unit of measurement that is equivalent to 6.02x1023…

A: Given: no of particles = 6.02 x 1023 particle.

Q: What would be the molecular weight of a gas

A: Weight of gas=0.104grams Volume=48.7ml=0.0487litere At STP Temperature=273K Pressure=1atm Molecular…

Q: How many moles of HBr are present in 0.123 L of a 2.67 M solution? Your Answer: Answer units

A: Given that: Volume of solution (V) =0.123 L Molarity of solution (M) = 2.67 M Moles of HBr =?

Q: How many liters of nitrogen gas are produced from 5.2x10 to the 23rd power molecules of NH3 2NH3…

A: we have to  calculate volume of nitrogen gas produced

Q: 02: Fínd the number of mmol of NaBr (FW = 102.89 g/mol) present in 1.2664 g of NaBr.

A: Given values,  Mass of NaBr= 1.2664 g Formula weight = molar mass= 102.89 g/mol And we have formula…

Q: Use the following information to determine how many moles were produced? Round to two decimal…

A: The pressure of the gas is = 742.1 mmHg The volume of the gas is = 9.65 L The temperature of the gas…

Q: In gas stoichiometry problems, what is used as the bridge between amount in moles and volume?

A: Given : To define the bridge between amount in moles and volume for any stoichiometry problems.

Q: How many molecules of ethane(C2H6) are present in 0.433g of C2H6? 3 significant figures

A: One mole of any compound contains approximatly 6.022 x 1023 atoms or molecules called as Avogadro's…

Q: Determine the volume (in L) of hy

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Q: number of moles of gas:

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Q: e formula for Percent by Volume.

A: We have to write the formula for percent by volume.

Q: Use the following information to determine how many moles were produced? Round to two decimal…

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Q: Calculate the volume of dimethyl sulfoxide the student should pour out.

A: Given :- mass of dimethyl sulfoxide = 50.0 g  Density of dimethyl sulfoxide = 1.10 g/cm3 or 1.10…