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: Consider the following reaction:                           4 Al(s) + 3 O2(g)  → 2 Al2O3(s)…

A: Given, 2.00 L of pure oxygen at STP (0°C, 1 atm) to react completely with a certain sample of…

Q: When solid calcium carbonate is reacted with aqueous hydrochloric acid, the products of the reaction…

A: Answer: Volume of CO2 will be calculated using ideal gas equation which is shown below: PV=nRTV=nRTP…

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: 1.An empty 2.00 L soda bottle is filled with 35.2 grams of gaseous CO2.  Calculate the temperature,…

A: Answer:- Firstly using the ideal gas equation, PV = nRT, moles of the gas and pressure, temperature…

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: Calcium carbonate, CaCO31s2, the principal compound in limestone, decomposes upon heating to CaO(s)…

A: Given, P = 1.3 atm V = 250 mL T = 310C

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

A:

Q: A sample of O2 with a pressure of 1.53 atm and a volume of 239 mL is allowed to react with excess NO…

A: The combined gas law is given by

Q: Use the References to access important values if needed for this question. Sodium metal reacts with…

A: The pressure of the wet hydrogen gas is the sum of the pressure of the dry hydrogen gas and the…

Q: A 0.477 mol sample of O2 gas has a volume of 12.4 L at a certain temperature and pressure. If all…

A:

Q: Given the following chemical equation for the combination reaction of sodium metal and chlorine gas:…

A: Following information about the mass of sodium metal given -  Mass of sodium metal = 7.8 g  Also…

Q: Calcium hydride (CaH 2) reacts with water to form hydrogen gas: CaH 2 (s) + 2H 20 (1)→ Ca(OH) 2 (aq)…

A: Given :

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…

A:

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…

A:

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

A:

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: 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: A mass of 7.24 g carbon monoxide is reacted with 5.21 g hydrogen to form methanol. CO(g) + 2 H₂(g) →…

A:

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

A:

Q: A mass of 9.60 g carbon monoxide is reacted with 4.84 g hydrogen to form methanol. CO(g) +2 H₂(g) →→…

A: CO(g) + 2H2(g) → CH3OH (g)Mass of CO  = 9.60 g Mass of H2  = 4.84 gThe reaction was performed in a…

Q: Liquid chlorotribromomethane has a density of 2.71 g/mL. A barometer is constructed using…

A:

Q: 2NO(g) + O2(g)→+2NO2(g) given the following reactions and enthalpies of formation: 1. N2(g) +…

A:

Q: Given the reaction: 2 Al (s) + 6 HCI (aq) --> 2 AICI3 (aq) + 3 H2 (g) A strip of aluminum of unknown…

A:

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

A:

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

A:

Q: A 2.53 L container at 74.1 °C contains 6.31 g of N2O3(g). The N2O3 gas decomposes completely,…

A:

Q: Consider the following reaction: 2SO2(g) + O2(g)-> 2SO3(g) What is the theoretical yield of SO3 ? If…

A: Answer:The reactant that is exhausted first in the chemical reaction and decides the yield of…

Q: A sample of gas contains 0.2000 mol of CO(g) and 0.2000 mol of NO(g) and occupies a volume of 15.5…

A: Given ,Reaction : Total volume of smaple : Objective :

Q: 1) A 0.075 g sample of calcium is reacted with excess hydrochloric acid and it produced 48.50 ml of…

A: The balanced reaction taking place is given as, => Ca (s) + 2 HCl (aq) --------> CaCl2 (aq) +…

Q: Consider the reaction below which was carried out at 200.0 K to produce liquid ammonia: N2(g) +…

A: Recall the given reaction           N2g + 3H2g → 2NH3lGiven that 37.3 g of N2 gas is mixed with 37.3…

Q: for this question. Sodium metal reacts with water to produce hydrogen gas according to the following…

A: The reaction is given as, 2 Na(s) + 2 H2O(l) → 2NaOH(aq) + H2(g) From the balanced chemical…

Q: A sample of 263.0 mL of wet nitrogen gas was collected over water at a total pressure of 756 torr…

A: Introduction :  Molarity is defined as the number of moles of solute dissolved in one litre of the…

Q: the moles of the metal carbonate reacted.

A:

Q: Remember to keep a few extra digits while calculating, and only round your final answer to the…

A:

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

A: At STP the volume of one mole of gas is 22.4 L. Then, at STP, 22.4L of N2 contains 1 mole of N2 .…

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.