Mercury can be obtained by reacting mercury(II) sulfide, HgS, with calcium oxide, CaO. How many grams of calcium oxide are needed to produce 12.2 g of Hg?

Q: Iodine is prepared both in the laboratory and commercially by adding Cl, (g) to an aqueous solution…

A: The given reaction is : 2NaI(aq) + Cl2(g)→I2(g) +2NaCl(aq) Mass of I2 produced = 23.6 g

Q: If 6.750 grams of lithium carbonate was used in the reaction, how many grams of carbon dioxide would…

A: The equation for the decomposition of lithium carbonate is as follows. Li2CO3 → Li2O + CO2 This is a…

Q: the formation reaction for HClO3(g)

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Q: Mercury can be obtained by reacting mercury(II) sulfide, HgS, with calcium oxide, CaO. How many…

A: Given: The reaction is as follows:  4CaO+4HgS→4Hg+3CaS+CaSO4 The mass of Hg produced=84.7 g. The…

Q: 2H,S (g) + 302 (g) → 2H,0 (g) + 2So, (g) If 3.50 g of H,S are used in the above reaction, what will…

A: Given mass of hydrogen sulphide gas = 3.50 g

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

A: number of moles=Given massmolar massGiven mass of Mg=1.89 gmolar mass of Mg=24.3 g/mol∴Number of…

Q: If 1.5 moles of oxygen gas combines with solid aluminium to form Al203, what is the mass of…

A:

Q: What is the maximum mass of iron, in grams, that can be obtained from 651 g of iron(III) oxide?

A: Molar mass of any substance is the mass of 1 mole of that substance. If the molar mass of an atom is…

Q: Suppose 8.00g of CH4 is allowed to burn in the presence of 6.00g of oxygen. How much (in grams) CH4,…

A: The given reaction is as follows,

Q: How many moles of pentane are needed to produce 2.30 x 1023 molecules of carbon dioxide gas?

A: 1st we have to calculate the number of Moles of CO2 from the number of Molecules of CO2. We know , 1…

Q: Over the years, the thermite has been used for welding railroad rails, in incendiary bombs, and to…

A: Given: Mass of iron = 15.0g To find: The masses of iron(III) oxide, aluminium and maximum mass of…

Q: Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,…

A: Mass of Fe = 10.1 g  Atomic mass of Fe = 55.845 g/mol  Number of moles of Fe =  10.1 / 55.845  =…

Q: If 6.1 kg of CO₂ are produced during a combustion reaction, how many molecules of CO₂ would be…

A:

Q: How many grams of CuO would be required to produce 10.0 moles of nitrogen gas in the following…

A: Given:

Q: If 4.7 kg of CO₂ are produced during a combustion reaction, how many molecules of CO₂ would be…

A:

Q: If 8.9 x 1025 molecules of CO, are produced in a combustion reaction, what is the mass in kg of CO,…

A: Given:  Number of molecules of carbon dioxide =8.9 x 1025Mass of carbon dioxide produced has to be…

Q: How many grams of O2 are required to produce 73.78 grams of ZnO? 2 Zn + 102→ 2 ZnO

A:

Q: If 4.1 kg of CO₂ are produced during a combustion reaction, how many molecules of CO₂ would be…

A:

Q: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g) What is the maximum mass of water that can be produced…

A: Number of moles of each reactant is calculated.

Q: How many grams of CuO would be required to produce 81.0 moles of nitrogen gas in the following…

A: The reaction available is 2NH3(g) +3CuO(s) →3Cu(s)+N2(g) +3H2O(g)

Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: The solution is given below -

Q: 2. What is the theoretical yield of sodium oxide if you start with 35g of calcium oxide? NaCl + Cao…

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Q: Consider the reaction 3X + 2Y → 5C + 4D With excess Y, how many moles of X are needed to produce…

A:

Q: how many grams of calcium hydroxide, Ca(OH)2, are needed to react completely with 65.9 g of…

A: Given: Mass of HCl = 65.9 g Molar mass of HCl = 36.46 g/mol Molar mass of Ca(OH)2 = 74.092 g/mol

Q: How many moles of mercury(II)oxide, HgO, are needed to produce 125 g of oxygen, O2?

A: Decomposition Reaction of HgO HgO decomposes to Hg and gaseous oxygen as the following reaction, 2…

Q: what mass in grams of H2O can be produced from 9.00 moles of O2?

A: In the given question we have to calculate the mass in gram of H2O. the balanced equation will be  2…

Q: Consider the reaction 3X + 2Y 5C + 4D With excess Y, how many moles of X are needed to produce 23.00…

A: Given we know about the mole mole analysis and find the mole of X Data Y in excess and mole of D is…

Q: How many grams of ammonia, NH3, are produced from the reaction of 4.5 moles of Nitrogen and an…

A: Given, nitrogen = 4.5 mol and H2 is excess Reaction is ammonia synthesis. Chemical equation for this…

Q: How many grams of NO are required to produce 145 g of N 2 in the following reaction? 4NH 3( g)+ 6NO(…

A: Given, the chemical reaction as follows,4NH3(g)+6NO(g)→5N2(g)+6H2O(l)amount of N2 (g) produced =145…

Q: If 6.8 g of a hydrocarbon that is 83.2% C by mass is burned with O2 to make CO2 and H2O,  what mass…

A:

Q: The Hall process for the production of aluminum involves the reaction of aluminum oxide with…

A: The Balanced equation for the reaction describedis given by →Al2O3 + 3 c → 2 A l + 3 coGiven, mass…

Q: Explain the attachment

A: Given, Mass of Mg(OH)2 = 5.97g

Q: How many grams of Cl2 can be produced from 88.0 g KMnO4?

A: We know that, Number of moles=Given mass/molar mass Mass=Number of moles x Molar mass Molar mass of…

Q: Iodine is prepared both in the laboratory and commercially by adding Cl, (g) to an aqueous solution…

A:

Q: The balanced chemical equation is P₄(s) + 6 Cl₂(g) → 4 PCl₃(g). What is the mass in grams of…

A:

Q: If 4.9 kg of CO2 are produced during a combustion reaction, how many molecules of CO2 would be…

A: To solve this problem first we have to calculate the number of moles of  CO2 in 4.9 kg then we will…

Q: If 5.1 kg of CO2 are produced during a combustion reaction, how many molecules of CO2 would be…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass. The…

Q: If 345.5 L of hydrogen gas (d = 0.0899 g/L) reacts with an excess of nitrogen gas, what mass of…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: like many metals , aluminum reacts with a halogen to give a metal halide 2 Al(s) + 3 Br2(l) =…

A: 2Als      +       3Br2 l →…

Q: That mass of C;Hg is needed to produce 5.25 moles of carbon dioxide?

A: Combustion of hydrocarbons: C3H8 + 5O2 → 3 CO2 + 4 H2O moles of carbon dioxide = 5.25 moles

Q: If 1.50 moles of nitrogen gas reacts with an excess of hydrogen gas, what mass of ammonia would be…

A: The balanced reaction taking place is given as, => N2 + 3 H2 → 2 NH3

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

A: Applying concept of limiting reagent and mole concept.

Q: Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,…

A:

Q: what mass of CO2 is produced by the reaction?

A: Molar mass of carbon is 12.01 g/ mol. Molar mass of CO2= Atomic weight of C + 2× Atomic weight of O…

Q: If 2.952 g of copper(II) nitrate is reacted with sufficient sodium hydroxide, how much copper (II)…

A: The balanced reaction of copper (II) nitrate with sodium hydroxide can be given as

Q: Consider the following reaction for the formation of aluminum sulfate. 2AI(OH) 3 + 3H 2 SO 4 → Al 2…

A:

Q: If 5.9 x 1025 molecules of CO2 are produced in a combustion reaction, what is the mass in kg of CO2…

A: Molar masa of a compund is defined as a mass of a sample of a that compund divided by the amount of…

Q: When diborate (B2H6) reacts with oxygen to form boric acid (HBO2) and water, what mass of diborate…

A: This question is related to stoichiometry which determines the quantitative relationship between…

Q: 2. How many grams of sodium sulfate can be produced when 120 g of sodium hydroxide reacts with…

A: 2)  The balanced chemical equation for the reaction of sodium hydroxide with sulfuric acid is,    2…