materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine the percent composition of the alloy. The scientist takes a 12.849 g sample of the alloy and reacts it with concentrated HCl. The

Q: Zinc and sodium metal each react with sulfuric acid according to the following equations.…

A: Since, Mass% of sodium = mass of sodiumtotal mass  x 100 Number of moles of sulphate = (2 x number…

Q: What mass in grams of NaN; is required to produce 50.2 L of N2 gas (density = %3D 1.25 g/L )…

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Q: If 2.3 moles of NO2 (g) are produced per minute in a reaction, how many grams of it would be…

A: Molecular weight of NO2 =    =(14 + 2× 16)g/mol = 46 g/mol Weight = Number of mols × molecular…

Q: How many moles of NO2 would be required to produce 3,34 moles of HN)3 in the presence of exess water…

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Q: Sodium dichromate, Na2Cr2O7, can be made by reacting sodium chromate, Na2CrO4, with sulfuric acid.…

A: The balanced reaction taking place is given as, => 2 Na2CrO4 + H2SO4 → Na2Cr2O7 + Na2SO4 + H2O

Q: Consider the balanced equation of KI reacting with Pb(NO3)2 to form a precipitate.…

A: The given balanced chemical equation is- 2KI(aq)      +  Pb(NO3)2 (aq)    →   PbI2 (s)    +  2…

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

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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: The allowable concentration level of vinyl chloride, C2H3Cl,in the atmosphere in a chemical plant is…

A: Given: The concentration of vinyl chloride, C = 2.0*10-6 g/L

Q: What mass in grams of NaNs is required to produce 50.2 L of N2 gas (density = 1.25 g/L ) according…

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Q: Hydrogen fluoride is a highly reactive gas. It has many industrial uses, but the most familiar…

A: The given reaction in equilibrium is shown below. The pressure of H2 and F2 is 3.08 bar. The value…

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A: Reaction of potassium hydroxide (KOH) with Cl2 gas 6KOH + 3Cl2 ....> KClO3 + 5KCl + 3H2O…

Q: The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen…

A: The reaction taking place is given as => 3 H2 (g) + N2 (g) → 2 NH3 (g)  Given : Mass of H2 taken…

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

A: 82% = 1.0 X 103 Kgyield of the reaction is = 82%Thus from 100Kg of Aluminium oxide, 82Kg of…

Q: The balanced equation below shows a simple way of manufacturing hydrogen gas in lab (you've done…

A: 1 mole of any gas under STP conditions occupy a volume of 22.4 L or 22,400 mL.  Given ,  Mass of Al…

Q: The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen…

A: When ammonia react with hydrogen then it will form ammonia so first write balanced reaction.…

Q: During the lecture we discussed this reaction: 2 NO2 (g) – N204 (g) what would you expect to happen…

A: The reaction given is Hence the equilibrium constant for the above reaction is where [N2O4] =…

Q: Zinc and sodium metal each react with sulfuric acid according to the following equations.…

A: The barium chloride will react with sodium sulfate in the mixture to form barium sulfate. The…

Q: If 7 moles of hydrogen gas are mixed with 5 moles of bromine gas, how many moles of each species…

A: We can consider the balanced equation to solve the problem.  The balanced equation is : H2 + Br 2…

Q: In one analysis, the density of ozone in an air sample was found to be 5.00  10−8 mol/L. What is the…

A:

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

A: Ore is defined as the mineral from which metal can be extracted economically. Major ore of aluminum…

Q: What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced?

A: 3. Given :- Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g)  no.of moles of Fe produced = 2.90 mol  To…

Q: A student performs an experiment like the one you saw in Experiment 8.  The student determines that…

A: Using the concept of weight percentage by mass we can calculate the total mass.

Q: The balanced equation below shows a simple way of manufacturing hydrogen gas in lab (you've done…

A:

Q: The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen…

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

Q: Calcium acetate is the excess reactant in the following reaction. What volume of 0.750mol/L silver…

A: We would use stoichiometric relations to calculate volume.

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A: Given information, Molarity of potassium chlorate (KClO3) = 3.47 M Volume (V) = 610.72 mL = 0.61072…

Q: The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen…

A:

Q: Determine the mass of calcium hydroxide produced when calcium carbide (CaC2) reacts with 0.64 grams…

A: Given , Mass of water = 0.64 g Molar mass of water = 18.0 g/mol Moles of water = mass / molar mass…

Q: What mass of aluminum hydroxide will precipitate

A:

Q: (iii) When 90.00 mL of 0.200 M MnO4¬(aq) was reacted with 200.00 mL of 0.280M H2O2(aq), the amount…

A: The complete balanced reaction for the question is : 2MnO4- + 3H2O2 →2MnO2 + 3O2 + 2OH- + 2H2O…

Q: Magnesium metal reacts with hydrochloric acid to form aqueous magnesium chloride and hydrogen gas.…

A: The number of moles is equal to the ratio of mass to the molar mass of the substance. It is denoted…

Q: How many grams of O2(g) are required to react completely with a piece of magnesium metal that…

A: Given data,  A piece of magnesium metal that measures 0.10 cm × 1.0 cm × 4.0 cm  Density of…

Q: What mass in grams of NaN3 is required to produce 50.2 L of N2 gas (density = %3D 1.25 g/L)…

A: Given, Volume of N2 = 50.2L Density of N2 = 1.25g/L

Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s) + 2HCI( aq) ZnCl2( aq) +…

A: From the above data,  mass of Zn = 3.75 g Concentration of HCl = 1.30 M The volume of HCl = 500 ml =…

Q: The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen…

A: Haber Bosch process produces ammonia according to the following chemical equation. 3H2 (g)+ N2(g)…

Q: What is the maximum possible yield (in grams) of the NaN3?

A: Number of moles = mass/molar mass  Ideal gas equation;-  PV= nRT  Molar mass of NaN3 = 65.009 g/mol…

Q: If you start with 0.985 grams of copper wire, what mass of gas should be formed in the reaction?…

A: Given :- Cu  +  4 HNO3  → Cu(NO3)2 +  2 NO2  +  2 H2O  Mass of Cu = 0.985 g  To be calculated :-…

Q: Consider the following reaction between barium chloride and sodium sulfate: Bacle (aq) + NagSO, (aq)…

A: The given reaction is : BaCl2(aq)  +  Na2SO4(aq)  →  BaSO4(s)  +  2NaCl(aq) The volume of BaCl2 =…

Q: What mass in grams of NaN₃ is required to produce 50.2 L of N₂ gas (density = 1.25 g/L ) according…

A: Stoichiometry deals with proportion of reacting and formed species. By using stoichiometry it can be…

Q: What mass of hydrogen gas was produced?   What mass of zinc reacted?   What was the percentage of…

A:

Q: The balanced equation below shows a simple way of manufacturing hydrogen gas in lab (you've done…

A:

Q: Mass→Mass & Mass→Vol : Zinc citrate is used in toothpaste it is synthesized from zinc carbonate and…

A:

Q: The traditional method of analysis for the amount of chloride ion present in a sample is to dissolve…

A: Mass is the amount of matter present in a body. S.I unit of mass is kg/g. Mass of substance can be…

Q: How many moles of Ca(OH) 2 are required to completely react with 300.0 L HCl solution? (HCl content…

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Q: Sulfuric acid dissolves aluminum metal according to the following reaction:…

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Q: How many moles of gas are formed when 1 cm3 of ammonium nitrate is reacted completely according to…

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

Q: Ammonia (NH3) is an important compound is used in large amounts for the manufacture of nitrogenous…

A: