Formic acid, HCHO2, is a convenient source of small quantities of carbon monoxide. When warmed with sulfuric acid, formic acid decomposes to give CO gas. HCHO2(l) h H2O(l) + CO(g) If 3.85 L of carbon monoxide was collected over water at 25°C and 689 mmHg, how many grams of formic acid were consumed?

Q: Sodium metal reacts with water to produce hydrogen gas: 2Na(s) + 2H2O(l)2NaOH(aq) + H2(g) In one…

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Q: 1) A student is preforming the baking soda (NaHCO3) with vinegar (CH COOH) volcano experiment. If…

A: For STP. P = 1 atmT = 273 KV = 5.00 Lmolar mass of NaHCO3 = 84.01 g/molR = 0.08206 Latm/molK

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

A: Decomposition reaction is a reaction in which a single reactant decomposes to form two or more…

Q: Hydrogen gas can be produced in the laboratory through the reaction of magnesium metal with…

A: Given: Mass of Mg = 30.0 g Pressure of H2 = 780 mmHg Temperature = 26oC Molar mass of Mg = 24 g/mol

Q: Camels store a fat called tristearin (C57H₁006) in their humps. The breakdown of tristearin provides…

A: We have 2 C57H110O6 + 163 O2 → 114 CO2 + 110H2O

Q: A helium-filled weather balloon has a volume of 508 L at 20.9°C and 754 mmHg. It is released and…

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

Q: What volume of hydrogen gas is produced when 35.3 g of iron reacts completely according to the…

A: Ideal gas equation: PV = nRT P = pressureV = volumen = moles R = gas constantT = temperatureBalanced…

Q: A helium-filled weather balloon has a volume of 792 L at 22.9°C and 753 mmHg. It is released and…

A: Ideal gas law equation is the equation which obeys gas laws under all condition of temperature and…

Q: Provide the correct IUPAC name for the compound shown here. 요 || CI-C-CH₂-CH2-CH3

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Q: Consider the reaction between solid zinc and hydrochloric acid where hydrogen gas is collected over…

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Q: A mixture of KCl and KClO3 weighing 1.92 grams was heated; the dry O2 generated occupied 148 mL at…

A: Mass of mixture = 1.92 g Volume of O2(V) = 148 mL = 0.148L STP is standard temperature and pressure.…

Q: What volume of gas is produced when 16.0 g of lithium reacts with 30.0 mL of water? Assume that the…

A: Given, Mass of Li  = 16.0 g  Volume of water = 30.0 mL  Density of water = 1.00 g/mL  Pressure =…

Q: Consider the reaction:  2 NiO(s)     ⟶     2 Ni(s)     +     O2(g) If O2 is collected over water…

A: We have to calculate the volume of gas collected for the reaction

Q: : NH

A: When one Lewis structure of a single molecule cannot fully explain the bonding that occurs between…

Q: 1.10 g of Carbon dioxide were introduced into a 1.00 L flask which contained some pure oxygen (O2)…

A: Given : mass of CO2 introduced = 1.10 g Since molar mass of CO2 = 44 g/mol Hence moles of CO2…

Q: Oxygen gas reacts with powdered aluminum according to the reaction: Al(s) + O₂(g) → Al₂O3(s) What…

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Q: What volume of gas is produced when 16.0 g of lithium reacts with 30.0 mL of water? Assume that…

A: The reaction is as follows; 2Lis+2H2Oaq→2LiOHaq+H2g 1 mol of H2O reacts with 1 mol of Li 18 g of H2O…

Q: A helium-filled weather balloon has a volume of 729 L at 16.9°C and 755 mmHg. It is released and…

A: Initially,P1 = 755 mmHgV1 = 729 LT1 = 16.9°C = (16.9 + 273.15)K = 290.05 KLater,P2 = 454 mmHgV2 =…

Q: A 2.02 g sample of aluminum reacts with excess of HCl(aq), and the liberated hydrogen gas is…

A: Given,  2Al(s) + 6 HCl(aq) -------> 2 AlCl3(aq) + 3 H2 (g)  The mass of Al = 2.02 g.   At…

Q: 1. Given the reaction:        2 Al (s) +  6 HCl (aq)    -->   2 AlCl3 (aq) +   3 H2 (g) A strip…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A sample of 257.0 mL of wet nitrogen gas was collected over water at a total pressure of 759 torr…

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Q: rogen produced from a hydrolysis reaction was collected over water. The data is compiled in the…

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Q: A 0.0665 g sample of aluminum metal reacts with hydrochloric acid to give 90.5 mL of hydrogen gas at…

A: Stoichiometry relates the amount of reacting with the formed species. As per this concept, the…

Q: O2  collected over water at 40°C and total pressure of 745 mmHg, what volume of gas is collected for…

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Q: A sample of magnesium metal reacts completely with an excess of hydrocholoric acid: Mg(s) + 2…

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Q: Consider the reaction: 2 NiO(s) ---------->2 Ni(s) + O2(g) If O2 is collected over water at…

A: O2 is collected over water at 40.0°C and a total pressure of 745 mmHg To calculate the volume of gas…

Q: 1. How many grams of iron are needed to completely consume 24.9 L of chlorine gas according to the…

A: the balanced chemical equation for the reaction is: 2Fe(s) + 3Cl2(g) → 2FeCl3(s) 2 moles of iron…

Q: The industrial production of nitric acid (HNO3) is a multistep process. The first step is the…

A: The reaction taking place is given as, => NH3 + O2 ------> NO + H2O Given : Temperature = 33…

Q: A 2.20 L container at 53.6 °C contains 6.21 g of N2O3(g). The N2⁢O3 gas decomposes completely,…

A: Volume of container V = 2.20 L  Temperature T = 53.6 degree C = 53.6 + 273.15 K = 326.75 K  Mass of…

Q: 4.8 g of an inorganic metal oxide ore mainly contains 93% of Nickel (III) oxide which decomposes to…

A: The balanced equation is   2 Ni2O3 (s) -------> 4 Ni (aq) + 3 O2 (g) Mass of ore = 4.8 g Mass…

Q: The hydrogen gas formed in a chemical reaction is collected over water at 30.0 ∘C∘C at a total…

A: Total pressure = 734 mmHg  partial pressure of water at 30C = 31.50 mmHg  Dalton’s law of partial…

Q: A weather balloon is inflated to a volume of 28.6 L at a pressure of 740. mmHg and a temperature of…

A: 8

Q: 1. Calculate the number of grams of sodium used in the reaction. (The vap 7 0°C =0035? atm )

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Q: A mixture of argon and methane gases, in a 5.07 L flask at 51 °C, contains 5.80 grams of argon and…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

A: To solve this problem we will use Stoichiometry of balanced chemical equation .  First we will find…

Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

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Q: According to the reaction below, how many grams of sodium chloride can be produced from 36.8 L of…

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Q: What volume of hydrogen gas is produced when 77.0 g of sodium reacts completely according to the…

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Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

A: The balanced chemical equation for the reaction of nitrogen and hydrogen to form ammonia is given by…

Q: A sample of xenon gas occupies 38.34 L at 550.8°C. What does the volume become (in L) if the sample…

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Q: moles

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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.