If 2.50 metric tons of bornite is reacted with excess O2 and the process has an 86.3% yield of copper, what mass of copper is produced?

Q: Silicon carbide, SiC, is used as an abrasive for many industrial processes. If you want to produce…

A: Given-> Weight of SiC = 1.00 kg = 1000 gm (1 kg= 1000g)

Q: How many grams of hydrogen H2 are produced by the reaction of 33 grams of magnesium Mg?

A: m H2 = ? m = 33 g Mg Mg + 2HCl --> H2 + MgCl2 MW H2 = 2 g/gmol MW Mg = 24.3 g/gmol MW MgCl2 =…

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

A:

Q: Methylhydrazine, N2H3CH31l2, is used with the oxidizer dinitrogen tetroxide, N2O41l2, to power the…

A: Methylhydrazine, N2H3CH3 (l), is reacted with dinitrogen tetroxide, N2O4(l), to produce N2, CO2, and…

Q: If 4.1 g of Cr is heated with 9.3 g of Cl2 what mass CrCl3 will be produced?

A: Mass of Cr = 4.1 g Mass of Cl2 = 9.3 g The molar mass of Cr = 52 g/mol The molar mass of Cl2 =71…

Q: 195 kg of H3PO4 was extracted from 310 kg of natural phosphorite. Natural phosphorite Calculate the…

A: Molecular formula of calcium phosphate is Ca3​(PO4​)2​.Its molar mass is 3(40)+2(31)+8(16)=310…

Q: How many moles of manganomanganic oxide will react with 5.33 x 10^25 atoms of aluminum?

A: To solve such questions, prior knowledge of the mole concept and chemical equations is necessary.…

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

A: The Haber-Bosch reaction of the formation of ammonia is given as- N2 (g)  + 3 H2 (g) → 2 NH3 (g) It…

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

A: We have to calculate the mass of fluoroapatite needed .

Q: If you react 6.7g of iron oxide with 4.5g of aluminium, what is the theoretical yield of aluminium…

A: Given, Mass of iron oxide = 6.7g. Mass of aluminium = 4.5g. The moles of iron oxide and aluminium…

Q: A sample of cesium metal reacted completely with water, evolving 2.028 mmol of dry H 2 at 19 degrees…

A:

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium  and 38.58 % Oxygen. What mass…

A: Provided %of V in VO2= 61.42% Provided % of oxygen in VO2= 38.58% Let (w) mass of VO2 is needed to…

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: 13 grams of titanium metal react with 60 grams of bromine. Calculate the mass(in grams) of…

A: Given, Mass of Titanium = 13 g Mass of Bromine = 60 g Molar mass of Titanium = 47.87 g/mol Molar…

Q: How many grams of AI2O3 are produced from 155 grams of FeO

A: Use stoichionetry to calculate the no. Of mole of aluminum oxide first and then weight.

Q: How many moles of H2O2 are produced in the production of hydrogen peroxide when 13 grams of oxygen…

A:

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: How many moles of boron will be produced if 400.0 g of B2O3 react completely with excess magnesium?…

A: In the given equation: 3 Mg(k) + B2O3(k) ------> 2B(k) + 3 MgO(k) Given that 400 g of B2O3…

Q: Write a balanced equation for the combustion of liquid methyl alcohol (CHOH) in the presence of…

A:

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium and 38.58 % Oxygen What mass of…

A: The mass percent of vanadium in vanadium(IV) oxide is = 61.42 % The required mass of vanadium is =…

Q: An empty flask weighs 128.950 g. After vaporization of a sample of volatile liquid at a temperature…

A:

Q: How many grams of hydrogen is produced from 432 g chromium? 2Cr + 2H3PO4 ⟶ 3H2 + 2CrPO4

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: What is the mass percentage of Na in Na2SO3?

A: To calculate the mass percent of an element in a compound, we divide the mass of the element in 1…

Q: The calcium from a sample of limestone weighing 699mg was precipitated as CaC2O4 and ignited to CaO…

A: The ignition of calcium oxalate can be described as follows: CaC2O4  →  CaCO3  + COCaCO3   →  CaO  +…

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium and 38.58 % Oxygen. What mass of…

A: The answer to the following question is-

Q: 1. How many moles of sulfur will you need to react with 1.42 moles of iron? Given the following…

A:

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

A:

Q: (i) How is HNO3 prepared commercially?(ii) Write chemical equations of the reactions involved.(iii)…

A: 1) HNO3 is prepared commercially by the Ostwald's process. It's commercial production starts with…

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

A: Given, amount of AgNO3 =1.200 gramwe are asked to calculate the  amount of Ag2CrO4 produced from…

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

A:

Q: The concentration of gold in seawater is 0.0027 ug/L. What mass of gold (in kg) is present in the…

A: Given: The concentration of gold in seawater = 0.0027 ug/L. Volume =  3.23 x 1011  km3  To…

Q: What is the mass percentage of C in codeine, C18H21NO3?

A:

Q: What weight in kg of H2O will be produced if 12.3 moles of C3H8 are used?

A: Combustion reactions are reactions in which a substance reacts with an excess of air or oxygen to…

Q: 3. How many grams of sodium metal will be produced from 140g of NaN3? O 49.5g O 215g 0 42g O 99E

A: • No. of moles=Gives massMolar mass• Mass = No. of moles × Molecular weight• Molar mass of NaN3 = 65…

Q: If 10.7 kg Al reacts with an excess of Fe,O3, how many kilograms of Al,0, will be produced?

A: Given :-  2Al(s) + Fe2O3(s)  -----> Al2O3(s)  + 2Fe(l)  Mass of Al = 10.7 kg  To be calculated :-…

Q: Calculate the mass of potassium needed to react with 0.450 g of hydrogen gas to produce potassium…

A: Here, we have to find the mass of potassium that is needed to react with 0.450 g of hydrogen gas to…

Q: How many moles of potassium would be necessary to produce 23.5g of potassium oxide?

A: Mass of potassium oxide produced = 23.5 g Here, we have to calculate the moles of potassium that are…

Q: What mass of CuCl2 is obtained from the reaction between 73 grams of HCl and 31,775 g of Cu?

A: We have given that   Mass of HCl = 73 g  Mass of Cu = 31,775 g  Molar mass of HCl = 36.5 g/mole…

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: A 0.896 g sample of impure magnesite, MgCO3, was decomposed with HCl; the liberated CO 2 was…

A: MgCO3 decomposed with HCl . The balance chemical equation for this reaction is :  MgCO3 + 2 HCl =…

Q: Automotive air bags inflate when a sample of sodium azide, NaN3, is very rapidly decomposed. 2NAN,…

A: The balanced reaction taking place is given as, => 2 NaN3 (s) -------> 2 Na (s) + 3 N2 (g)…

Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) Assuming an excess of…

A: Alum having general formula KAl(SO4 )2 · 12H2O(s) to synthesis alum reaction is

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: If 75.0 kg of hydrazine are reacted with 75.0 kg of oxygen, which is the limiting reagent?

A: Hydrazine is represented as N2H4. Limiting reagent is the reactant species which determines the…

Q: 6. Consider the following reaction Cas(PO.)2 + 3 H,so, → 3 Caso, + 2 H;PO, a. What masses of calcium…

A: Limiting reagent It is a reagent that will be consumed completely in a reaction and determines the…

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".