When copper is heated with an excess of sulfur, copper(I) sulfide is formed. In a given experiment, 1.50 g of copper was heated with excess sulfur to yield 1.79 g copper(1) sulfide. What is the percent yield?

Q: 6. 1.50 X 1024 molecules of oxygen are burned in a combustion reaction. What is the mass of O2…

A: Moles of compound from given number of molecules can be calculated as: Number of mole=given number…

Q: If an experiment produced 3.57 x 10^4 grams of methanol, but calculations performed referencing a…

A: Answer:- This question is answered by using the simple concept of calculation of percent yield using…

Q: The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a…

A: Molar masses KClO3 = 122.55g/mol P4O10 = 283.88g/mol KClO3 =  67.3 g mass of P4O10 = ?

Q: Suppose the percent yield of NaCl (formed in a combination reaction of sodium with chlorine) is…

A: The equation for the reaction of sodium and chlorine is, 2 Na + Cl2 →2 NaCl The moles of Na in 39.34…

Q: mass

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Q: The mineral stibnite, antimony(III) sulfide, is treated with hydrochloric acid to give antimony(III)…

A: given: Balanced chemical equation is Sb₂S₃ + 6HCl → 2SbCl₃ +3H₂S Molar mass Sb₂S₃ = 339.715 g/mol…

Q: Pure aluminum (Al) metal reacts with hydrochloric acid (HCl) to produce aluminum chloride (AlCl3)…

A: Given.    2 Al  +  6 HCl  →  2 AlCl3  + 3 H2

Q: 2.Iron ore is impure Fe2O3. When Fe2O3 is heated with an excess of carbon (coke), metallic iron and…

A: Weight of sample = 938kg = 938000g Pure iron in sample = 523kg Assuming that impurities donot…

Q: 5.00 g of copper is reacted with 5.00 g of sulfur in a crucible and a compound composed of copper…

A: Mass percentage of substance is one of the ways to express composition of compounds. Mass percentage…

Q: If after heating the reaction between magnesium and hydrochloric acid, the mass of the magnesium…

A: Given: The mass of the crucible = 34.2 g The mass of the magnesium chloride formed and crucible =…

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

A: Given data contains, Mass of iron is 910 kg. The balanced chemical reaction between iron oxide and…

Q: For the following reaction, 2.84 grams of methane (CH4) are allowed to react with 30.5 grams of…

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Q: Consider the reaction: P4(s) + 6Cl₂(g) → 4PC13 (1) Given an initial mass of 15.75 g P4, an excess of…

A:

Q: For the following reaction, 4.95 grams of nitrogen gas are allowed to react with 4.11 grams of…

A:

Q: The reaction of 7.71 x 103 g of titanium (IV) chloride gas with 1.45 x 103 g of oxygen gas produces…

A: Titanium chloride reacts with oxygen to give titanium oxide and two moles of chlorine gas.

Q: If 1.58 grams of copper (Cu) is reacted with 9.54 grams of silver nitrate (AGNO3) to produce silver…

A:

Q: For many years the recovery of gold—that is, the separation of gold from other materials—involved…

A: Mass relationship :- In these problem ,the mass of one of the reactants/products is to be calculated…

Q: For the following reaction, 6.00 grams of ammonia are allowed to react with 17.1 grams of oxygen…

A: The number of moles (n) of a substance can be calculated as: n=Given massMolar mass······(1) (1) The…

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: For the following reaction, 38.2 grams of sulfuric acid are allowed to react with 33.5 grams of…

A: The given reaction is, From the given reaction it is clear that,  98 grams of H2SO4 completely…

Q: In the reaction of cobalt(II) chloride and hydrogen fluoride, cobalt(II) fluoride and hydrochloric…

A:

Q: Q8) Fermentation is a complex chemical process of wine making in which glucose is converted into…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 58.5 g sample of an unknown compound that contains only carbon, hydrogen and oxygen was analyzed…

A: Given: The mass of the unknown compound is 58.5 g The mass of CO2 (carbon dioxide) is 105.6 g The…

Q: If 6.7 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, what is the mass in kg of CO₂…

A: Given: The number of molecules of CO₂=6.7 × 10²⁵ molecules The moles of CO₂=(6.7 × 10²⁵ )÷ (6.022 x…

Q: If 101 g of CaO and 280. g of NH4Cl are mixed, what is the limiting reactant, and what mass of NH3…

A: Given:Mass of CaO = 101 gMass of NH4Cl = 280.0 gBalanced chemical reaction is given by,

Q: What is a theoretical yield? Actual yield? What are their differences?

A: The amount of a substance produced in a chemical reaction is determined as the yield of the…

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: what is the theoretical yield in grams of potassium nitrate for the reaction?

A:

Q: For the following reaction, 68.5 grams of barium hydroxide are allowed to react with 37.5 grams of…

A: Answer: Given reaction is: Ba(OH)2(aq)+H2SO4(aq)→BaSO4(s)+2H2O(l) To find out the limiting reagent,…

Q: For a given reaction, the theoretical yield for a reaction was 34.7 grams while 29.6 grams of the…

A: Answer

Q: Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce…

A: The given reactions are,

Q: 1)Copper metal reacts with molecular nitrogen to form copper(II) nitride.  a)Write the balanced…

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Q: Nitroglycerin (C3H;N3O9) is a powerful explosive. Its decomposition may be represented by 4C3H3N309…

A: a)  Given,

Q: If 101 g of CaO and 280. g of NH4Cl are mixed, what mass of NH3 can be produced?

A: Given,CaO is 101 gAmmonium chloride is 280 gMolar mass of CaO is 56.0774 g/molMalar mass of Ammonium…

Q: Given the following reaction and the amounts of the reactants, determine the mass (in grams) of…

A:

Q: The mass of the product formed in an experiment is theoretical yield? True or false?

A: Given : Theoretical yield.  To find : statement is True or false.  Solution : As we know that, when…

Q: A 0.251 g piece of solid aluminum reacts with gaseous oxygen from the atmosphere to form solid…

A: Given: Mass of Al = 0.251 g Mass of Al2O3 (actual yield) = 0.204 g Molar mass of Al = 26.98 g/mol…

Q: If 24 molecules of H2 and 18 molecules of N2 are mixed and allowed to react, how many molecules of…

A: Recall the reaction between H2 and N2 to obtain NH3            N2+3H2→2NH3According to stoichiometry…

Q: 1.51 grams of H2 is allowed to react with 10.2 grams of N2, producing 1.34 grams of NH3. What is the…

A: Given that  Mass of H2  = 1.51 g Mass of  N2 = 10.2 g Mass of NH3  (Actual yield)= 1.34 g Percent…

Q: Table salt, NaCl(s), and sugar, C,,H„0(s), are accidentally mixed. A 5.50 g sample is burned, and…

A: Balanced Combustion reaction of sugar:  C12H22O11 + 12O2 .....> 12CO2 + 11H2O Mass of sample =…

Q: Phosphorus trichloride can be made by the following reaction: P4 (s) + 6Cl2 (g) ĺ 4PCl3 (l) What is…

A: The eqution shows that 1 molecule of P4 reacts with 6 molecule of Cl2 for 15 molecule of P4 , 90…

Q: A sample of sandstone consists of only silica (SiO2) and calcite (CaCO3). When sandstone is heated,…

A: Given: Mass of sample = 18.7 mg. And mass of CO2 produced = 3.95 mg.

Q: If 15.0 g potassium metal are reacted with 15.0 g oxygen gas to yield 14.3 potassium oxide, what is…

A: Reaction occurs as: Moles can be given as: n: Number of moles. m: Mass of the reactants or…

Q: Which reactant was the limiting reactant? Which reactant was the excess reactant

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Q: One molecule of a compound weighs 2.93 x 10-22 g. The molar mass of this compound is:

A: 1 mole = 6.0224 × 1023 molecules Molar mass = 6.0224 × 1023 × Molecular mass

Q: Combustion of hydrocarbons such as methane (CH) produces carbon dioxide, a "greenhouse gas."…

A: A chemically balanced equation has equal number of atoms of each elements in the reactant side and…

Q: The percent by mass of silver in Ag,CO3 is %.

A: Molecular mass of Ag2CO3 = 2*atomic mass of Silver + atomic mass of Carbon + 3*atomic mass of Oxygen…

Q: For the following reaction, 10.0 grams of nitrogen gas are allowed to react with 5.94 grams of…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.