Ethanol has a molecular formula C2H5OH. A sample of ethanol has a mass of 2.3 grams. The sample was completely burnt in oxygen. iv.  Calculate how many moles of water molecules were produced in the combustion of ethanol in oxygen. v.   Calculate mass of carbon dioxide was produced in the combustion of ethanol in oxygen. vi.  Calculate how many oxygen molecules were used up in the combustion of ethanol in oxygen.

Q: A 7.591-g gaseous mixture contains methane (CH₄) and butane (C₄H₁₀). Complete combustion to form…

A: Step-1CH416g + 2O2 → CO2 + 2H2OC4H1058g + 132 O2 → 4CO2 + 5H2O

Q: The decomposition of KClO3 is commonly used to prepare small amounts of O2 in the laboratory: KClO3…

A: Given  Reaction  KClO3   →  KCl + O2 Mass of KClO3   = 4.50 gram  Mass of O2        =  ?

Q: 7.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given carbon dioxide = 19.42 g water=3.97 g

Q: 23. Consider the reaction: 3 AgC2H;O2(aq) + Na3PO4(aq) → Ag:PO46) + 3 NaC2H3O2(aq) 4.000 g of silver…

A: "Since there are multiple subparts, we will answer only the first three subparts. If you require…

Q: 6.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given that: Compound X mass = 6.50 gMolecular mass = 176 g/mol Mass of CO2 = 9.75 gMass of H2O =…

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+O2⟶2MgO What mass, in…

A: Given, mass of O2 = 2.81 g Mass of Mg = 1.51 g Molar mass of MgO = 40.3 g/mol Molar mass of Mg =…

Q: Phosphorus reacts with oxygen to form phosphorus(III) oxide as shown. 4P(s) + 302(g) → 2P2O3(s)…

A: Consider the given balanced reaction as: Reaction:            4Ps         +        3O2g      →…

Q: Consider a 1.245 g sample of glucose (C H, O.). Calculate the following. moles of glucose in the…

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: For the chemical reaction   CaI2+2AgNO3⟶2AgI+Ca(NO3)2CaI2+2AgNO3⟶2AgI+Ca(NO3)2   what mass of…

A: Molar mass of AgI = 234.77 g/mol CaI2 + 2AgNO3 ⟶ 2AgI + Ca(NO3)2 According to the equation, For…

Q: Ethanol has a molecular formula C2H5OH. A sample of ethanol has a mass of 2.3 grams. The sample was…

A: Since you have posted question with multiple subparts as per guidelines we can answer three . If you…

Q: The equation below represents a chemical reaction that occurs in living cells. CH12O6 + 60, 6CO2 +…

A: Balanced Reaction C6 H12 O6 + 6 O2  --->  6 CO2 + 6 H2 O + energy Reactnat molcules C6 H12 O6 and…

Q: Ethanol has a molecular formula C2H5 A sample of ethanol has a mass of 2.3 grams. The sample was…

A:

Q: 6.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: We need to find emperocal formula then emperical mass

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Q: 1.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given: Mass of compound X = 1.50 g Molecular mass of compound X = 70 g/mol Mass of carbon dioxide =…

Q: 6.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+O2⟶2MgO What mass, in…

A: Number of moles of Mg and O2 are calculated as follows: No. of moles of Mg=massmolar mass=1.41…

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Q: 8.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: The reaction of 890. g each of NH3 and O2 was found to produce 668 g of NO. 4 NH3(g) + 5 O₂(g) → 4…

A:

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A: Given, 1 tsp. of salt is used for the recipe and the salt contains only NaCl.

Q: 8.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given : Mass of Compound X = 8.50 g Molar mass of Compound = 128 g/mol Mass of CO2 = 29.22 g  Mass…

Q: Calculate the mass of Mg. Calculate the mass of the product. Calculate the moles of Mg in the…

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Q: Consider the following chemical reaction:            CH4   +    2O2   ------------------>    CO2…

A: The considered reaction is, CH4 + 2 O2→CO2 + 2 H2O

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A: Consider the given reaction. Zns+I2s→ZnI2aq

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A:

Q: How many molecules are present in the sample of ethanol? How many hydrogen atoms are present in the…

A:

Q: In the following chemical reaction, determine the number of moles of NH3 from 2.50 moles of H2.…

A: Given reaction,             Moles of H2 is 2.50.

Q: 2H2(g) + O2 (g) —> 2H2O (I) What mass in grams of Water (H2O) is produced from 2 moles of Hydrogen…

A: 2 moles of hydrogen forms 2 moles of water

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A:

Q: Phosphorus reacts with oxygen to form phosphorus(III) oxide as shown. 4P(s) + 302(g) → 2P203(s)…

A: The details solution for this is provided below in attach image.

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A:

Q: 33. Sulfurous acid is unstable in aqueous solution and gradually decomposes to water and sulfur…

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Q: sulphur dioxide reacts with oxygen to make sulphur trioxide. 2SO2 + O2 --> 2SO3. Calculate the…

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A:

Q: 3.) 45.0 g of O2 are mixed with 45.0 g of H2 and the mixture is ignited, approximately what mass of…

A: By using mole concept we can solve this problem.

Q: A 10.5 g sample of lithium is reacted with 18.5 g of fluorine to form lithium fluoride: Li + F2 →…

A: Given, A 10.5 g sample of lithium is reacted with 18.5 g of fluorine to form lithium fluoride:Li +…

Q: 3) Consider the balanced equation: 2Al + Fe;N2 2AIN +3Fe. If 5.23 g AIN were produced in this…

A:

Q: A 19.51 g sample of impure methylamine, which contains 72.58% (by mass) of CH;NH: , is reacted with…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A substance, AzB, has the composition by mass of 60% A and 40%B. What is the composition of AB2 by…

A: Find solution below

Q: The mass of C3H8O3 that can be made from 2.4 × 1023 H atoms is

A:

Q: Ethylene glycol, C₂H6O2, is used as antifreeze for automobile engines. If you want to produce 2.00…

A:

Q: One mole of pure hydrochloric acid, HCl, requires 100 g of 80% pure NaOH to neutralize. The mass of…

A: The neutralization reaction between HCl and NaOH is: NaOH+HCl→NaCl+H2O According to the above…

Q: When sulfur burns in air it forms sulfur dioxide . What mass of this gas is produced when 1 gram of…

A: This problem can solve more than one ways.

Q: 2H2(g) + O2(g) -> 2H2O(g) Calculate the mass (in grams) of water vapor produced when 56.0 g of pure…

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Q: Phosphorus reacts with oxygen to form phosphorus(III) oxide as shown. 4P(s) + 302(g) → 2P2O3(s)…

A: The reaction considered is,

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".