When an identical 4.008 g of sulfur is burned completely in a restricted amount of air, it again combines with oxygen to form a single gaseous product, but this time the total mass of the product is 8.008 g. What is the mass perfect of sulfur and oxyegn in the gaseous product?

Q: 1.003 g of soduim chloride was recovered in the reaction of Hydrochloric acid + Sodium carbonate →…

A: The reaction of hydrochloric acid with sodium carbonate forms sodium chloride, carbon dioxide and…

Q: Copper(II) sulfate forms a bright blue hydrate with the formula CuSO4⋅?H2O(s) . If this hydrate is…

A: Molar mass of Cu is 63.55 g/mol Molar mass of S is 32.07 g/mol Molar mass of O is 16 g/mol Molar…

Q: How many grams of magnesium oxide can be produced by reacting 0.248 g magnesium that is 97.5% pure…

A: Given mass of Magnesium = 0.248g% purity of Magnesium = 97.5%No.of molecules of oxygen = 5.36 x…

Q: Suppose a piece of silver jewelry contains 7.78×1022 atomsatoms of silver (AgAg).

A:

Q: The chemical reaction "Oxygen gas plus solid phosphorus yields diphosphorus pentoxide" is an example…

A: Redox reaction occurs when oxidation and reduction take place at the same time in a chemical…

Q: → products) (Don't forget • If there is reaction, write a complete chemical equation (reactants to…

A:

Q: reaction is: Co(s) + HgCl (aq) → COCI(aq) + Hg(1)

A: Given , Mass of Co = 1.25 g Molar mass of Co = 59.0 g/mol Molar  mass of Hg = 200 g/mol Mole =…

Q: Fluorides of the noble gas xenon can be formed by reaction with fluorine under high temperature and…

A: Details

Q: A crucible is placed on a balance and is found to have a mass of 26.639 grams a sample of…

A: Mass of crucible = 26.639 g Mass of crucible + mass of Na2SO4·xH2O = 27.085 g Therefore mass of…

Q: What mass of HCl in grams is neturalized by a dose of milk of magnesia containing 3.26g Mg(OH)2?

A: Given :- mass of Mg(OH)2 = 3.26 g  To calculate :- mass of HCl (in g)

Q: Sulfuric acid is produced from sulfur dioxide, which is, in turn, produced by burning iron pyrite: w…

A: The question is based on reaction stoichiometry.We need to calculate percentage yield in the given…

Q: 100.0 g lead(II) nitrate is reacted with 50.00 g potassium iodide (in plenty of water). How many…

A: The chemical equation for the reaction between lead(II) nitrate and potassium iodide is given as -…

Q: mercury salicylate is a common active ingredient in liniments such as ben gay . it is also known as…

A: n=mM Number of moles of carbon dioxide will be: nCO2 = 12.24 g18 g/mol=0.278 mol Similarly, number…

Q: We allow 48.0 g methane, CH4, to undergo complete combustion with excess oxygen, O2. What mass of…

A: Given- Mass of methane = 48.0 g To find- mass of oxygen that reacts  the mass of CO2 produced In…

Q: A pure sample of Epsom salt was oven dried and loss 51.17% of its mass due to loss of water of…

A: To calculate the mole ratio, we would first calculate moles of both magnesium sulfate and water in…

Q: 5. To react with 6.00 g of carbon (MM = 12.01 g.mol-1), what minimum mass of silicon dioxide (MM =…

A: To know the mass of Silicon dioxide needed to react with 6g of Carbon, we need to find out the moles…

Q: A student obtains a mixture of the chlorides of two unknown metals, X and Z. The percent by mass of…

A: Given: Mixture of metal X and Z. And mass percent of X and Z in the mixture.

Q: SICI4 (1) Unbalanced equation 1. Given the following reaction: Si (s) + CI 2(g) 35g 56g ?g When 56g…

A: In this question, we have to calculate the amount of SiCl4 formed and also what is the limiting…

Q: Calculate the number of water, X,  of crystalization in an unknown sample, having a molar mass of…

A: Some ionic compound (salt) contains a water molecule in their crystal lattice structure. The water…

Q: Gaseous butane (CH3(CH2)2CH3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide…

A: 2C4H10 + 13O2 = 8CO2 + 10H2O

Q: An unknown mass of NasPO4(s) is dissolved in water to form 50.00 mL of solution. This is Solution A.…

A: Let the mass of Na3PO4 dissolved = X gm Molar mass of Na3PO4 = 163.94 gm Number of moles of Na3PO4 =…

Q: When a sample of solid potassium chlorate is heated strongly, a decomposition reaction occurs. Solid…

A: Mole is calculated by dividing the given mass with molecular mass. When a sample of solid potassium…

Q: Ammonia is produced from the reaction of nitrogen and hydrogen according to the following balanced…

A: Given information,        1.40 × 103 g N24.60 × 102 g H2

Q: composition- a compound breaks down into elements and/or simpler compounds. KNO; ? KNO, + O2 NaN, ?…

A: Decomposition reaction of KNO3 is given by:   KNO3 → KNO2 + O2 There are 3 Oxygen atoms on reactants…

Q: experiment was done to determine the composition of a mixture of sodium chloride and sodium…

A:

Q: A crucible is placed on a balance and is found to have a mass of 26.639 grams a sample of…

A: Since on heating the compound, the mass of water will be lost as it will get vaporised  Hence the…

Q: Al2O3 in g produced

A: Balance reaction:             4 Al + 3 O2 ------->  2Al2O3           molar mass of Al = 27g/mol…

Q: If 2.332 g of a sample containing a mixture of CuO and CuCO3 are heated, the final weight of the…

A: CuCO3 on heating decomposes to form CuO and CO2 CuCO3 (s) →heat CuO (s) + CO2 (g) 123.55 g…

Q: A 4.90g sample of barium bromide is reacted with 11.7g of silver (i) nitrate to form silver (i)…

A: The balanced chemical equation for the given reaction is shown below.

Q: 1. As of today Silver is trading at $27.10 per ounce. Recall that 1 ounce = 28g. If we mine 2.5x106…

A:

Q: Hydrogen peroxide is used as a cleansing agent in the treatment of cuts and abrasions for several…

A: The balanced equation is, BaO2 (s)  + 2HCI (aq)  → H2O2 (aq)  + BaCl2 (aq)  The number of moles of…

Q: A mixture of CaCO₃ and CaO weighing 0.693 g was heated to produce gaseous CO₂. After heating, the…

A: Molecular mass The molecular mass is the mass of a given molecule. It is measured in Daltons. The…

Q: One of the reactions in the Solvay Process involves the reaction of calcium oxide with water to…

A: Theoretical yield is the maximum amount of product that can be formed in a chemical reaction based…

Q: Iron reacts with oxygen gas to form a mixture of FeO and Fe₂O₃ when the supply of oxygen is limited.…

A:

Q: Cobalt(II) chloride forms several hydrates with the general formula CoCl2·xH2O, where x is an…

A:

Q: A sample of soda-lime glass for tableware is analyzed and found to contain the following percentages…

A: Given- % by mass of oxides SiO2 = 72.4% Na2O =18.1% CaO = 8.1% Al2O3 =1.0% MgO = 0.2% BaO = 0.2%…

Q: One way to analyze for the amount of phosphorus in a rock is to precipitate the phosphorus as…

A: Given the mass of the rock sample = 2.832 g Percent of Ca3(PO4)2 = 86.52% => mass of Ca3(PO4)2 in…

Q: What is the percent by mass of KClO3 in the original mixture

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".