1. Al +_02 → _Al203 Solid aluminum and oxygen gas combine in a synthesis reaction. 4.80mol of powdered aluminum is placed into a container with 3.00 mol of oxygen. How many moles of solid aluminum oxide will be formed? What is the excess reactant?

Q: Which of the following factors can be a reason for a percentage yield to be low? 1. Reactant…

A: In this question, we will see whats are the reason for low percentage yield.  You can see details…

Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first…

A: Chemical reactions can be added, subtracted, or multiplied like an algebraic equation.

Q: mass of empty calorimeter (g) 22.39 mass of hot water (g) 119.4 initial temp (Celsius) 64.43 mass…

A: When ice would be placed in hot water , hot water would release heat and ice would gain heat . At…

Q: 1. Consider the reaction CaCO;(s) 2 CaO(s) + CO,(g). Should I perform this experiment in an open or…

A: The given reaction is,  CaCO3 (s) ←→ CaO (s)+CO2 (g)  Assume the equilibrium arrow as same as given…

Q: How many moles of CO, will be produced in the following reaction if the initial amount of reactant…

A: Given that: Moles of NaHCO3 = 3.50 moles Moles of CO2 = ?

Q: 100. Is it possible for a reaction to occur with a yield that is greater than 100%? Why or why not?

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Q: List the reactant(s) for the following chemical equation: Mg (s) + O2 (g) → MgO (s)

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Q: The balanced chemical equation for the reaction between silver nitrate and copper is: 2 AgNO3 ( aq )…

A: 1mole of copper and 2 moles of silver nitrate. React to produce 1mole of copper nitrate and 2moles…

Q: Titanium metal can be obtained from its oxide according to the balanced equation: TiO2 (s) + 2C (s)…

A: Limiting reactant : " A reactant which is present in lesser amount than required as per balanced…

Q: For the following chemical reaction, N2 (g) + 3 H2 (g) 2 NH3 (g) If 15 molecules of nitrogen gas and…

A: The relationship between moles and molecules -  Moles =MoleculesAvogadro's numbern=mNA

Q: ulfuric acid, H2SO4, can be neutralized by sodium hydroxide, NaOH. The unbalanced equation is:…

A: According to conservation of mass, mass cannot be created or destroyed.

Q: For the following chemical reaction,                                             N2 (g) + 3 H2 (g)…

A: Limiting reagent is the reactant that is completely consumed in the reaction.  therefore limiting…

Q: A chemistry company is hired to produce sodium chloride (NaCl) using the following equation: Na (s)…

A: In Balanced chemical equation number of atoms of each species are equal on both reactant and…

Q: 3. AgNO3(aq) + NaC(aq) AgCI(?) + NaNO;(?) a. Given the above double displacement reaction, identify…

A: The state of substance tells about its nature whether it is, solid, liquid or gas. A double…

Q: NaOH (aq) + HCI (aq) NaCl (aq) + H20 (1) Volume of 1.00M HCI (mL) 45.0 Volume of 1.00 M NaOH (mL)…

A: Yes! your answers are correct. [NaOH] = 1.0M VNaOH. = 50ml (A)nNaOH. = 50mlx1.0 M =50 mmol = 0.050…

Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first…

A: Two reactions are given and yield of both reaction are also given. And obtain mass of Cu is also…

Q: Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to yield ammonia:…

A: The number written before the chemical formula of a compound in a chemical equation is known as its…

Q: Consider the Haber process shown below. N2 (g) + 3 H2 (g) → 2 NH3 (g) Which of the following…

A: Given N2 (g) + 3H₂ (g) → 2NH3(g) Standard values Molar mass of N2 = 28 g/mol Molar mass of H2 = 2…

Q: Consider the decomposition reaction ? — CưOXs) + CO,(E) for which the products are given, but the…

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Q: Consider the reaction: C4H10(g)+O2(g)→CO2(g)+H2O(g)C4H10(g)+O2(g)→CO2(g)+H2O(g). Part A: How many…

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Q: ethanol has a molecular formula C2H5OH. a sample of ethanol has a mass of 2.3 grams. the sample was…

A: Given that the mass of ethanol C2H5OH burnt is 2.3 g. To calculate: i. The moles of waters molecules…

Q: What is the correct description for the chemical equation 4Fe(s) + 30,(g) 2Fe,0,(s)? a. Solid iron…

A: The given chemical reaction is, ......(1) The above reaction shows that four moles of iron (Fe)…

Q: For the following reaction, 0.128 moles of potassium hydroxide are mixed with0.158 moles of…

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Q: 3. In a chemical reaction, energy is lost in the form of heat A.True B. False

A: A chemical reaction is a process in which a substance(reactant) reacts with one or more substances…

Q: The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and…

A: The reaction between aluminum and iron (III) oxide produces aluminum oxide and iron. This reaction…

Q: Consider the reaction 2 NO(g) + 5 H2(g) → 2 NH3(g) + 2 H20(g) The reaction mixture initially…

A: According to stoichiometry 2 mole of NO react with 5 mole of H2 So 10 mole of H2 will react with =10…

Q: Question is attached

A: The chemical reactions include various types they are combination reaction, displacement reaction…

Q: Which one of the equations below is an exothermic reaction? A) CO₂ (g) → C (s) + O₂ (g) ∆H° = 394…

A: The energy is either absorbed or released during the chemical reaction. The negative sign of energy…

Q: Balance the following chemical equation using the smallest, whole- number coefficients: Al + HCI →…

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Q: Which one of the equations below is an exothermic reaction? A) CO2 (g) → C (s) + O2 (g) AH° = 394…

A: Exothermic reactions are those reactions in which heat is released during a chemical reaction and…

Q: 1. 15.6 g of aluminum sulfide reacts with 10.0 g of water according to the reaction below: _Al₂S,…

A: first we have to balance the given equation

Q: Given the reaction: + HF a. Balance the reaction. 24 b. A student mixes 3.0 g N₂H with 6.33 x 10…

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Q: Predict the products of the reaction below. That is, complete the right-hand side of the chemical…

A: A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and…

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A: Given, The first step, phosphorus and oxygen react to form diphosphorus pentoxide: P4(l) + 5O2(g)…

Q: Glycerol trioleate, C57H10406, molar mass = 885.4 g/mole, a typical fat molecule found in foods…

A: The given reaction is: C57H104O6(s)+80 O2(g)→57CO2(g)+52 H2O(l) Calculation of ∆Hf˚ of the reaction:…

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A: A chemical reaction can be added or subtracted like an algebraic equation.

Q: Water can be decomposed to its elements, H₂ and O2, using electrical energy or in a series of…

A:

Q: A student does a reaction that forms Pb(NO3)2 (ag). The student boils off some of the water in a…

A: The question is based on the principle of solubility. according to basic principle of solubility…

Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first…

A: Given that : Mass of copper = 1.0 kg = 1000 g Mass of oxygen required = ?

Q: mass in grams of phosphorus trichloride

A:

Q: When potassium metal is placed in water, a large amount of energy is released as potassium hydroxide…

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Q: For each of the following reactions predict whether or not a reaction if happen. If it occurs, write…

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Q: Camels store the fat tristearin (C57H110O6) in the hump. As well as being a source of energy the fat…

A: Given that   Mass of water is = 100g of fat  Farmula of tristearin= C57H110O6

Q: 8 9. Predict the products of the reaction below. That is, complete the right-hand side of the…

A: In given reaction conjugate acid and conjugate base Is formed.

Q: X 15. In the word equation below, what0/1 is oxygen? Sulfur dioxide(g) + Oxygen(g) -> Sulfur…

A: Oxygen is written on the left hand side .

Q: Which of the statements is the MOST accurate in describing the chemical equation shown below? 2H2…

A: Exothermic reactions:  The reactions in which energy is released by the reactants is called…

Q: The equation   4Ag(s) + O2(g) →2Ag2O(s)  is  _____ reaction.

A: In this reaction, silver metal reacts with oxygen gas to form a single product silver oxide.

Q: Predict the products of the reaction below. That is, complete the right-hand side of the chemical…

A: HClO3 being an acid will ionize in water as well to create a positively charged ion and a negatively…

Q: The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and…

A: Mass of Al = 118 g Mass of Fe2O3 = 601 g

Q: Given the reaction: + HF a. Balance the reaction. 24 b. A student mixes 3.0 g N₂H with 6.33 x 10…

A: Here we are required to find the limiting reagent of the reaction .