What volume of oxygen gas is produced when 45.7 g of mercury(II) oxide reacts completely according to the following reaction at 25 °C and 1 atm? mercury(II) oxide (s) mercury (l) + oxygen(g) liters oxygen gas

Q: White phosphorus melts and then vaporizes at high tempera-ture. The gas effuses at a rate that is…

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Q: What volume of oxygen gas is produced when 2.88 mol of hydrogen peroxide (H,02) reacts completely…

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Q: The combustion of octane, CgH18, proceeds according to the reaction shown. 2C,H18(1) + 25 O,(g) 16…

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Q: A 2.50 g sample of solid potassium chlorate is decomposed according to the following reaction. If…

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Q: For the following reaction: 2H2O(g) + Co(s) ⟶ CoO2 (s) + 2H2 (g) What volume of H2 at a pressure of…

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Q: What volume of oxygen gas is produced when 0.220 mol of hydrogen peroxide (H2O2) reacts completely…

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Q: What volume of carbon monoxide is required to react completely with 2.30 mol of sulfur according to…

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Q: The combustion of octane, C8H18 , proceeds according to the reaction shown. 2C8H18(I) + 25 O2…

A: The number of moles of carbon dioxide, produced in the reaction, is calculated as shown below where…

Q: What volume of carbon dioxide is produced when 80.1 g of calcium carbonate reacts completely…

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Q: What volume of carbon dioxide is produced when 49.0 g of calcium carbonate reacts completely…

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Q: 8.00 gram mixture of copper (II) sulfide and iron (II) sulfide reacted with excess nitric acid and…

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Q: Given the following reaction, if 4.9 L of nitrogen completely react with an excess of oxygen, how…

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Q: Potassium chlorate decomposes according to the following balanced chemical equation: 2 KCIO, (s) 2…

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Q: What volume of oxygen gas is produced when 29.4 g of mercury(II) oxide reacts completely according…

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Q: I am confused on how to set up this problem.   Thanks much.

A: Representation of a chemical reaction in the form of the symbol and formula is called the chemical…

Q: When strongly heated, CaCO3 decomposes into carbon dioxide gas and calcium oxide. What mass of…

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Q: What volume of hydrogen gas (in L) is produced when 0.381 moles of sodium reacts completely…

A: Moles of sodium=0.381 moles Temperature =35.2 °C=(35.2+273)K=308.2K Pressure=0.869atm R=0.0821…

Q: What volume of oxygen gas is produced when 40.9 g of mercury(II) oxide reacts completely according…

A: The equation for the dissociation of HgO is as follows, 2HgO (s) -> 2Hg (l) + O2 (g)  The…

Q: A sealed flask contains 3.1 L of a gas at 2.4 atm and 22.7 °C. If the density of the gas is 9.7 g/L,…

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Q: Consider the following reaction: NaClO3(s)+ Fe(s)→ O2(g)+ NaCl(s)+FeO(s)   What volume of O2 gas…

A: Given data: The mass of NaClO3 = 2.10 kg = 2100 g. Pressure = 3.00 atm. Temperature = 391 K.…

Q: The combustion of octane, C8H18, proceeds according to the reaction shown.   2 C8H18(l)+25…

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Q: What volume of carbon dioxide is produced when 0.194 mol of calcium carbonate reacts completely…

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Q: How many grams of calcium carbonate are needed to produce 4.07 L of carbon dioxide at 47°C and 1.29…

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Q: What volume of carbon dioxide is produced when 81.5 g of calcium carbonate reacts completely…

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Q: Solid potassium is reacted with water. What volume of hydrogen gas is produced at 18ºC and 1.08 atm…

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Q: For the following Reaction: 2H2O(g)+Co(s)=CoO2(s) +2H2(g) what volume of H2 at a pressure of 755…

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Q: a sample of sodium chlorate, NaClO3 (molar mass= 106.44 g/mol), is completely decomposed according…

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Q: A particular gaseous hydrocarbon has a density of 2.33g/L at 23oC and 746mmHg.  Calculate the molar…

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Q: Thermal decomposition of potassium chlorate produces oxygen gas and potassium chloride according to…

A: Number of moles can be calculated as follows: No. of moles of KClO3= massmolar mass = 8.7 g122.55…

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Q: How many moles of hydrogen sulfide are required to react completely with 33.1 L of oxygen gas…

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Q: What volume of carbon dioxide is produced when 7.12 g of calcium carbonate reacts completely…

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Q: What volume of hydrogen gas is required to react completely with 2.91 mol of nitrogen gas according…

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Q: 1.C2H4 reacts with O2 according to the following reaction:  C2H4(g) +3O2(g) ----------- 2CO2(g) +…

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Q: What volume of sulfur dioxide is produced when 0.352 mol of hydrogen sulfide reacts completely…

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Q: What volume of hydrogen gas is produced when 33.6 g of iron reacts completely according to the…

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Q: Consider the reaction: 2Na (s) + Cl2 (g)  2NaCl (s) Calculate volume of chlorine gas measured at…

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Q: Hydrogen and Nitrogen gas react to form ammonia according to the following equation: 3H2 (g) + N2…

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Q: 1. A sample of sodium metal is added to water and the hydrogen gas evolved is collected in a gas…

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Q: A helium filled weather balloon has a volume of 502L at 14.9 degrees Celsius and 751mmHg. It is…

A: From the combined gas law we know , (P1V1)/T1 = (P2V2)/T2 Where P1 = Initial pressure of system P2 =…

Q: The combustion of octane, C8H18, proceeds according to the reaction shown. 2C8H18(l) + 25O2(g)…

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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.