A volume of 56.0 mL of He at STP: How many moles? b. Weight how much? Contains how many molecules? a. с.

Q: If the moles in a balloon are tripled, what will happen to the volume of the balloon?

A: The ideal gas equation is             PV = nRT Where P = pressure of the gas ; V = volume of the gas…

Q: If you start with 0.600 M HBr and dilute is so it is 0.400 L of .200 M HBr, then how many liter of…

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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: Ethylene burns in oxygen to form carbon dioxide and water vapor: C2H4(g)+ 3 O2(g)-->2 CO2(g)+ 2…

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Q: How many moles of NH, form when 32.4 Lof H, gas completely reacts at STP according to the following…

A: 1 mol of any ideal gas at standard condition of temperature and pressure that is at pressure=1 atm…

Q: The number of moles in 10.0 grams of CO2 is: Choose the answer with correct significant figures.…

A: Given, mass of CO2 = 10.0 g  We know that, molar mass of CO2 = 44.01 g/mol Number of moles can be…

Q: Please help me solve this problem, explain and make sure everything is correct 100% thanks

A: Step 1: IBr2-Number of valence electrons of Iodine: 7 electrons.Number of valence electrons of…

Q: a. Choose the complete Lewis structure for the following partially completed Lewis structure. F…

A: Lewis structure is a way of representing the structure of a molecule in which bond pairs (shared…

Q: Convert the following: a. 0.367 mol of HNO3 to mmol b. 245 mmol of MgO to g

A: One mole is equal to 1000 mmol

Q: a. How many moles of sodium hydroxide are produced when I mole sodium peroxide reacts with water? 1…

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Q: Look at the image below. Ne C ΟΝ D N Based on the distribution of electrons, which would you expect…

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Q: How can I convert 500 tons/day of NO2 emissions to moles per second

A: The molar mass of Nitrogen (N) is 14.01 grams per mole. The molar mass of Oxygen (O) is 16.00 grams…

Q: convert 12.5056g of CuSO4 to moles

A: Moles can be calculated as the amount of solute (in grams) divided by molecular weight. If solute’s…

Q: What variable determines which "R" value you use in your calculation? A. pressure (P) B. volume (V)…

A: R is gas constant

Q: You have a beaker containing 325.9mL of H2O and 14.55g of CaBr2. Calculate the mass percent.…

A: A multiple choice question based on mass percentage, which is to be accomplished.

Q: How many liters of oxygen gas are required to completely  react with 2.4L of hydrogen gas to form…

A: Hydrogen reacts with oxygen from water. The equation for the balanced chemical reaction is as…

Q: Which sample contains the smaller number of atoms ?

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: Given the following balanced chemical equation, how many grams of Hg would be produced from the…

A: Given: mass of HgO = 56.4 g We know that, molar mass of HgO =216.59 g Molar mass of Hg = 200.59 g…

Q: Balance then answer questions. __ ClO2(g) + __ H2(g) ® __ HCl(g) + __ H2O(g)           Calculate…

A: 1 mole = 6.022×1023 ( Avogadro's number)  1 mole of H2 molecules means 6.022×1023 molecules of H2 1…

Q: How many grams of sodlum are required to completely react with 19.2 Lof Ci, gas at STP according to…

A: From the equation, we get that the number of moles of Na involved will be twice that of Cl.

Q: Enter your answer in the provided box. Determine the molar mass of a gas that moves 4.67 times as…

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Q: Gas Law: Find moles of Hydrogen and convert it to grams. Pressure - 100 kPa Volume - 2.1189 x 10^8 L…

A: Given:- Pressure = 100 kPa = 100x 1000pa Volume = 2.1189 x 108 L = 2.1189 x 108 ÷ 1000 m3  T =…

Q: ___________   to    ____________                 N2 + 3H2 → 2NH3                  Given Units…

A: N2 + 3H2 → 2NH3  We have to determine how many liters of H2 gas are used to make 1.3 X 1024…

Q: A gas is at STP with molar volume. How many moles is this gas?

A: Any gas at Standard, Temperature and Pressure at molar volume has 1 mole of that gas. Hence a gas at…

Q: What happens to the volume of a gas at STP when the number of particles increases? OIt stays the…

A: We know that,  No. of moles = volume at STP / Standard volume but we also know that, no. of…

Q: What is the volume in liters of 9.05 moles of CO₂ at standard temperature and pressure (STP)?

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Q: Consider Chemical Reaction 10.1: Mg(s) + 2HCI(aq) → MgCl2(aq) + H2(g) Chemical Reaction 10.1 For…

A: When a gas is collected over water , some water vapors are also present along with the gas. The…

Q: A balloon fi lled with helium gas, He(g), develops a leak. If it originally contained 0.20 mol of…

A: Given: V1=3.5Ln1=0.20 moleV2=2.5Ln2=?

Q: A laboratory cylinder A contains 8 g of hydrocarbon X with mol. weight 120 g/mol, and its pressure…

A: The question is based on ideal gas equation. PV=nRT P= Pressure of gas V= Volume of gas n= number of…

Q: 7 1 mole Fe₂(CrO₂)₂ = g Fe, (Cro),

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Q: Based on a grade 11 chemistry student, answer the following question based on the provided table:…

A: The objective of the question is to determine if any of the listed poisons can be ruled out based on…

Q: What is the volume in liters of 13.30 moles of CO, at standard temperature and pressure (STP)?

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Q: This and 2 of the following question refer to the reaction P4 (s)    +    5 O2 (g)    →      2 P2O5…

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Q: How many grams of. HNO3 are produced from 36.1g of AgNO3 combines with HCI

A: Given :- mass of AgNO3 = 36.1 g  To calculate :- mass of HNO3 (in g) Number of moles = mass/molar…

Q: Label the diagram to correctly convert 2.25 moles of Ne to Liters of Ne at STP : 1 Mole of Ne : 2.25…

A: Given, moles of Ne = 2.25 moles At STP, Standard Temperature & Pressure volume occupied by Ne =…

Q: A balloon that contains 0.43 mol of helium in a volume of 6.0 L develops a leak so that its volume…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".