A passenger jet contains 4050 kg of copper wiring. A rock sample contains 1.25% CuFeS2 by mass. Calculate the mass, in tonnes, of rock needed to produce enough copper wire for a passenger jet?

Q: What mass of iron(III) oxide is produced from the reaction of 15.0g oxygen with 15.0g of iron? 4Fe+…

A: Number of moles is calculated by dividing the mass with molecular mass.

Q: The deep blue compound Cu(NH3)4SO4 is made by the reaction of copper(II) sulfate and ammonia.

A: To solve this problem we have to use the Stoichiometry of balanced chemical equation .  First we…

Q: How many grams of zinc sulfide are used to produce 1.28 grams of zinc oxide ?

A: Detail mathematical calculation is shown below

Q: Cryolite, Na, AIF, (s), an ore used in the production of aluminum, can be synthesized using aluminum…

A: Al2O3 (s)+NaOH (l) +HF(g)--> Na3AlF6+ H2O(g) To balance the reaction, first balance number of Al…

Q: balance this chemical reaction ___________Fe +__________O2 → __________Fe2O3

A: Given reaction is, ___________Fe +__________O2 → __________Fe2O3

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: Write a balanced chemical equation based on the following description: the reaction of gaseous C₅H₄…

A: The reactants given are  1) gaseous C5H4 i.e C5H4 (g) 2) Oxygen gas i.e O2 (g) And the products…

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: Elemental phosphorus is used in the semiconductor industry. It can be obtained from an ore called…

A: The reaction above can be correctly written as below: 4Ca5(PO4)3 F + 18SiO2 + 30C ----->  3 P4 +…

Q: What mass of CO is required to react with 651 g of Fe2O3 ?

A: The balanced chemical equation for the given reaction is,

Q: Determine the mass, in grams, of sodium azide required to produce 35.09 moles of nitrogen gas.

A: Number of moles of nitrogen gas (N2) = 35.09 moles. Mass of sodium azide (NaN3) (in grams) = ?

Q: An alloy of Sn, Pb, and Cd has a mole ratio of Sn to Pb of 2.73:1.00, and the mass ratio of Pb to Cd…

A: Given,An alloy of Sn, Pb, and Cd has a mole ratio of Sn to Pb of 2.73:1.00, and the mass ratio of Pb…

Q: 011: calculate mass needed to prepare 5.0L of 0.10N Na,CO,(105.99g/mol) from standard solid.

A:

Q: What is the mass percentage of O in CO2? Provide an answer to two decimal places.

A: Given,  The mass percentage of O in CO2 is:

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

A:

Q: What is efflorescence? Give an example?

A: The structure of chemical compound can be represented as structural formula. A structural formula…

Q: What total mass of iron is necessary to produce 1.00 moles of copper?

A: The balanced chemical equation for the production of copper from iron is shown below this is a…

Q: How many grams of nickel(II) nitrate are needed to produce 35.7 g nickel(II) phosphate in the…

A: Given data, mass of nickel(II) phosphate = 35.7 g, molar mass of nickel(II) phosphate=366.02 g mol-1…

Q: What mass of phosphorus pentachloride would be produced by the complete reaction of 15.2 g of P4?

A: The balanced chemical equation from the above question is  P4 + 10 Cl2 → 4 PCl5 Molar mass of P4  =…

Q: how many moles of Al2O3 can be formed by 19.2 grams of O2?

A: We will consider only oxygen moles not aluminium moles assume aluminium amount is in excess.

Q: How many moles of calcium nitrate are needed to produce 0.850 gram of sodium nitrate?

A: 1 mole = 6.022×1023 ( Avogadro's number ) Anything which is in the number of 6.022×1023 is called 1…

Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

A:

Q: How many moles of ammonia are produced by 1.40 moles of hydrogen?

A: Given that : We have to calculate the moles of ammonia produced by 1.40 moles of hydrogen.

Q: The analysis of a sample of the mixture obtained during the industrial preparation of nitric acid…

A: This problem can be solved from the basic physical chemistry problem.

Q: Copper is obtained from ores containing the following minerals: azurite, Cu3(CO3)2(OH)2; chalcocite,…

A:

Q: Describe the conditions necessary for coal to be produced.

A: High temperature and high pressure required to formation of coal when dead vegetarian got buried…

Q: Copper metal heated with sulfur produces solid copper(ii) sulfide. Write the balanced equation and…

A: The reactants given are copper metal and sulfur to produce copper (II) sulfide.

Q: how many grams  of Ag2CrO4 can be produced from 1.200 g of AgNO3?

A:

Q: The reaction of barium with sulfur is similar to that of magnesium with sulfur. Write the balanced…

A: A balanced chemical equation is the one in which the elements of the reactants becomes equal to the…

Q: How many grams of aluminum sulfide are formed if 22.00g of aluminum reacts with sulfur in a…

A: Mass of Al = 22 g Mass of Al2S3 = ?

Q: How many grams of nickel (III) chloride can be formed from 25.85 grams of solid nickel?

A: Recall the reaction to obtain nickel(III) chloride from solid nickel…

Q: What is the mass percentage of C in CH₃CH₂OH? Provide an answer to two decimal places.

A:

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

A:

Q: A brilliant white light in some firework displays produced by burning magnesium in air. The…

A: Interpretation: The balanced chemical equation for production of magnesium oxide from magnesium and…

Q: 5. How from 45.1 grams of cadmium with excess sulfur? many moles of cadmium chloride can be produced…

A:

Q: How many mg of iron are present in a 236.5 g ore sample containing 0.15% iron by mass?

A: We need to first calculate the mass of iron present by mass in the given quantity of ore, and then…

Q: How many moles of electrons are required to produce 18.1 g of potassium metal from a sample of…

A: We are hereby asked that how many moles of electrons are required to produce 18.1 g of potassium…

Q: calculate the mass of calcium phosphate (in kilograms)

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: b. How many grams of copper(i) sulfide could be produced from 28.0 g of copper(1) chloride reacting…

A: Given :- mass of copper(I)chloride reacting with excess hydrogen sulfide = 28.0 g  To calculate :-…

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

A: Given :- mass of O2 = 125 g  To calculate :- number of moles pg HgO required.

Q: What mass of barium sulfate can be produced by complete reaction of 27.4 g of Na2SO4?

A: Introduction: The amount of a substance can be measure in moles unit in chemistry. It is widely used…

Q: What mass of hydrogen peroxide (H202) must decompose to produce (oxygen and) 0.77 g of water?

A:

Q: suppose 1.57 g of Ca is heated in the air. what is the theoretical amount of CaO that will be…

A: The number of moles of a given chemical species refers to the ratio of mass to the molar mass. The…

Q: 1. Calculate the molar mass of the following compounds. a. magnesium phosphate b. sodium sulfide c.…

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

Q: How many grams of Ag2CrO4 can be produced from 1.200 grams of AgNO3?

A: Given,Number of grams of AgNO3 is 1.200 grams.The equation for the formation of silver chromate is:

Q: How many grams of hydrogen are needed to produce 75 g of iron?

A: Hematite Fe2O3 on treatment with hydrogen yields the iron metal and water vapor. Fe2O3+3H2→2Fe+3H2O…

Q: What mass of carbon dioxide is produced from the complete combustion of 2.40×10−3 g of methane?

A: The formula for the mass of carbon dioxide as follows:

Q: What is the composition, in atom percent, of an alloy that contains a) 35 g copper and b) 49 g zinc?

A: Given :-  mass of Cu in alloy = 35 g  atomic wt. of Cu = 63.55 g/mol mass of Zn in alloy = 49 g…

Q: How many grams of Al2O3 can be produced from 9.5 g Al?

A: Given, Mass of Al = 9.5g. The reaction of Al2O3 formation from Al is given as follows:

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".