When 0.6742 g mixture of a mixture containing only MgCO3 and CaCO3 is treated with an excess of HCl, 0.3117 g of CO2 is produced. Calculate the percentage MgO and CaO in the sampl

Q: calculate the mass of C2H2 needed to produce 35.0 moles of CO2

A: Combustion of C2H2 ( ethene ) produces CO2 ( carbon dioxide ) and  H2O ( water ).  The balanced…

Q: 5. What mass of C2H6O is needed to react with 256 g O2?

A: When C2H6O reacts with Oxygen it generates CO2 and H2O. Using stoichiometric of balanced reaction we…

Q: In a blast furnace, iron (III) oxide is used to produce iron by the following (unbalanced) reaction:…

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Q: What mass in grams of CO2 is evolved in the complete decomposition of a 2.300-g sample that is 38.0%…

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Q: Calculate the percentage by mass of the indicated element in the following compounds: carbon in…

A: Percent by mass or percent by weight refers to the total mass of the one component divided by the…

Q: Uranium can be isolated from its ores by dissolving it as UO2(NO3)2, then seperating it as a solid…

A: Solution

Q: Silicon dioxide reacts with carbon at high temperature to form an extremely hard silicon carbide.…

A: ANSWER

Q: An important reaction that takes place in a blast furnace during the production of iron is the…

A: Balanced chemical reaction between Fe2O3 and CO

Q: A crystal of the mineral pharmacosiderite, Fe3(AsO4)2(OH)3•5H2O, contains what percent of  oxygen by…

A: The molecular formula of the crystal pharmacosiderite is = Fe3(AsO4)2(OH)3•5H2O One molecule of the…

Q: Write chemical equations for each of the following chemical and physical processes: (a)…

A: A physical process is one in which no chemical reaction occurs and no chemical bond is formed or…

Q: The balanced equation for the synthesis of ammonia is 3 H2(g) + N2(g) → 2 NH3(g). 4. Calculate: 1.…

A: The balanced reaction taking place is given as, => 3 H2 (g) + N2 (g) -------> 2 NH3 (g)

Q: Complete the table:   Compound Mass Moles Number of molecules CO2CO2 _____ 0.0124 _____ COCO _____…

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Q: The single largest use of phosphoric acid is in the production of fertilizer. How many grams of…

A: We will get stoichiometry of the reaction to get the answer

Q: What mass of methane is required to produce 1.130 kg of carbon dioxide during combustion? (Assume…

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Q: Calculate the theoretical number of moles of sulfate that could be produced from 0.1 g of sulfur, if…

A: Given mass of sulphur = 0.1 g  Molar mass of sulphur = 32 g.mol-

Q: What mass of CaSo4 can be produced from 55g of Al2(SO4)3 and 55g of Ca(OH)2

A: Mass of Al2(SO4)3 = 55 g Mass of Ca(OH)2 = 55 g Limiting reagent = ? Theoretical yield = ?

Q: What is the maximum mass in grams of magnesium oxide that can be produced by the reaction of 6.8g…

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Q: 5.  A 0.8102-g sample of impure Al2(CO3)3 decomposed with HCl; the liberated CO2 was collected on…

A: In the Question- 5 we want to determine the percentage of Al in the sample.  You can see details…

Q: The molar ratio of CO2 and H20 in the complete combustion of a hydrocarbon 'X' is 10: 8. What is the…

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Q: How many grams of solid Ca3(PO4)2 can be formed from a reaction of 51.8 mL of 0.754 M CaCl2 and 21.5…

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Q: What mass, in grams, of C2H2 is needed to form 270.4 g of CO2? Assume excess oxygen.    2C2H2(g) +…

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Q: How many grams of oxygen are produced when 582 grams of water decomposes? 2H2O (l) --> 2H2 (g) + O2…

A:

Q: Thermal analysis of a sample of 1,204 grams containing 36.0% MgCO3 and 44.0% K2CO3 by mass Calculate…

A: To solve this problem we first calculate the mass of MgCO3 and mass of K2CO3 . Percent composition…

Q: Write chemical equations for each of the following chemical and physical processes: (a) Reaction of…

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Q: 2 NaClO3 → 2 NaCl + 6O2 balanced or not balanced

A: Given  Reaction 2NaClO3   →  2NaCl  + 6O2 Reaction is balanced or not = ?

Q: Calculate the percentage of crystallization water and the number of water molecules in the compound…

A: Given: Weight of the sample before heating= 2.0 g Weight of the sample after heating= 1.3 g The…

Q: What mass, in grams, of C2H2 is needed to form 212.9 kg of CO2? Assume excess oxygen.    2C2H2(g)…

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Q: Calculate the percentage by mass of F in C2H2F4

A: Recall the following expression to calculate percentage by mass of F in C2H2F4 percentage by mass of…

Q: Write the chemical reaction of Iron Sulfide (FeS2) to create Sulfuric acid in mines. It reacts with…

A: It is used in the preparation of hydrogen sulphide gas.In hair dyes, paint, ceramics, bottles and…

Q: The molecule of the week is Tetraethyl orthosilicate (TEOS) of which 120,000 metric tons (1 metric…

A: The compound Tetraethyl orthosilicate (TEOS) has a molecular formula of C8H20O4Si

Q: Consider the following reaction at 25 °C: 3 Ni(s) + N2(g) + 3 H,0(g) → 3 NiO(s) + 2 NH3(g) Given the…

A: ∆H = 391.3 kJ/mol

Q: Write out balanced chemical equations for the synthesis of a spinel from the corresponding oxide…

A: A reaction will be a balanced chemical reaction if it has an equal number of atoms on both sides of…

Q: Iron is generally produced from iron ore through the following reaction in a blast furnace. If 400 g…

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Q: You are told by your instructor to go to the stock room and find a bottle of the chemical K3Cl. Does…

A: Given formula of chemical is K3Cl  We need find whether a compound with this  formula exist or not

Q: What is the maximum amount (in grams) of sulfur dioxide that can be produced by the reaction of 440…

A: Given equation is, 2 H2S(g) + 3 O2(g) → 2 H2O(g) + 2 SO2(g) Mass of H2S = 440 g Mass of O2 =1860 g…

Q: When a large amount of water was poured on 100 gr of calcium carbide CaC₂, 28.3 gr acetylene C₂H₂…

A: Percentage Yield = 70%

Q: CH4 + 202 CO2 + 2H20 What mass of water can be obtained from the complete combustion of 50g of CH4…

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Q: (CO2) Limestone (CaCO,) Firebox Lime (CaO) Thermal decomposition of limestone (calcium carbonate).…

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Q: If MgCl2·H2O is the limiting reagent with a mole amount of 0.00189 mole. What is the theoretical…

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Q: What is the maximum amount (in grams) of sulfur dioxide that can be produced by the reaction of 1880…

A: the answer is as follows:

Q: What mass of methane is required to produce 1.130 kg of carbon dioxide during combustion? (Assume…

A: The balanced equation will be:- CH4(g) + 2O2(g)  → CO2(g) + 2H2O(g)  Molar mass of CO2 = 44.01g/mol…

Q: Calculate the percentage composition of Ca in CaSO4.

A: Molecular weight of CaSO4 = 136.14g/mol Molecular mass of calcium = 40.078g

Q: The calcium from a sample of limestone weighing 607.4 mg  was precipitated as CaC2O4 (128.10 g/mol)…

A: The mass of the limestone sample is = 607.4 mg The mass of CaCO3 formed by ignition is = 246.7 mg…

Q: Consider the following chemical reaction: CaO(s) + H2O(l) ----------> Ca(OH)2 (aq) if 1.00 g…

A: Given  Mass of calcium oxide = 1.00 g  Mass of water = 2.00 g

Q: The Le Blanc Process for the manufacture of soda ash encompasses the four steps: NaCl + H2SO4 =…

A: The Le Blanc Process for the manufacture of soda ash encompasses the four steps. The balanced…

Q: Calculate the number of grams of CO that can react with 0.150 kg of Fe2O3

A: Given :- mass of Fe2O3 = 0.150 Kg  To calculate :- mass of CO (in g)  number of moles = mass/molar…

Q: What are the resulting products formed when LiBr reacts with F2 in a Single Replacement Reaction?

A: Single Displacement reaction  When one element replaces another one in a chemical reaction, such…

Q: sample of a plant alkaloid, containing ONLY carbon, nitrogen and hydrogen, is combusted in air to…

A: Compound contains carbon, nitrogen and hydrogen.  Mass of CO2 produced = 210.6g  Mass of H2O…

Q: What is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of V2O5…

A: The given reaction is, V2O5s+5Cal→2Vl+5CaOs The given weight of V2O5 is 40.0 g. The given weight of…

Q: Consider this reaction, which occurs in the atmosphere and contributes to photochemical smog: N2(g)…

A: The reaction taking place is  N2(g) + O2(g) →2NO(g) Hence from the above reaction, we can say that 1…