How many grams of KBr, 119.0 g/mol, are required to prepare 0.986 moles of Br2 according to the balanced reaction? KBrO3 + 5 KBr + 6 HNO3 → 6 KNO3 + 3 Br2 + 3 H2O Report your answer with three significant figures.

Q: 4. Consider the reaction between sulfur trioxide and water: SO3 (g) + H2O (1) → H2SO4 (aq) A chemist…

A: 4) Given, SO3(g) + H2O(l) ➝ H2SO4(aq) mass of SO3 react = 61.5 g mass of H2O react = 11.2 Actual…

Q: 11. For each of the following balanced chemical equations, calculate how many moles of product(s)…

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

Q: The rocket fuel, B5H9 (63.14 g/mol) is combusted according to the following unbalanced equation. A…

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Q: Express the average reaction rate for each time interval in moles of O2 produced per liter per…

A: The average reaction rate is the change in concentration of O2 divided by the time period in which…

Q: Zinc reacts with hydrochloric acid to produce zinc chloride and hydrogen. In the reaction shown,…

A: Limiting reagents:-Limiting reagents are substances that are completely consumed in the completion…

Q: For the reaction shown, find the limiting reactant for each of the following initial amounts of…

A: Limiting reagent is that reagent, that reacts completely.

Q: Potassium metal reacts with water according to the following balanced equation. 2 K(s) + 2 H₂O(1) →→…

A: The objective of the question is to understand the stoichiometry of the given chemical reaction and…

Q: For the chemical equation given below (not balanced), the percent yield of the reaction is 65.0%.…

A: The reaction given is :  MgO(s) +  Fe(s)  →    Fe2O3(s) +   Mg(s)  3MgO(s) +  2Fe(s)  →    Fe2O3(s)…

Q: A reaction mixture of 18.215 g Na2CO3 and 10.938 g HCl react according to the following balanced…

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Q: When the following equation is balanced, how many water molecules are present in the reactants?…

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Q: Consider the following balanced reaction: Al2O3 + 3H20 → 2Al(OH)3 If 2.44 x 1020 Al203 formula units…

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

Q: An unbalanced equation for the reaction of methane gas (CH4) with oxygen is shown below. CH4 + O2 →…

A: given unbalanced chemical equation CH4 +   []  O2 → 2CO2 + 4H2O to find  number of oxygen molecule's…

Q: Consider the following balanced reaction: 2C4H10 + 1302 → 8CO2 + 10H20 If 0.237 mol C4H10 and 1.65…

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Q: • Simplest mole ration before rounding: lil Ration moles NaHCO3 : Simplest whole number mole ratio…

A: “Since you have posted multiple questions with multiple sub parts, we will provide the solution only…

Q: Hydrobromic acid dissolves solid iron according to the followiaung reaction: Fe(s)+2HBr(aq)→…

A: The reaction of iron and hydrobromide is given by equation 1.So, from equation (1) one mole of iron…

Q: A student is asked to balance the reaction: CH4 + O2 CO₂ + H₂O What convention of balancing is…

A: A balanced chemical equation is an equation in which equal number of atoms of each type are present…

Q: For the chemical equation given below (not balanced), the percent yield of the reaction is 65.0%.…

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Q: Determine the limiting reactant in this reaction. Calculate the amount in grams of CO2 from the…

A: Percent yield is the ratio of actual yield to the theoritical yield.

Q: Consider the following reaction Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) What mass of Ca is needed…

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Q: Consider the reaction 3X + 2Y → 5C + 4D How many moles of C can be synthesized from 37.0 moles of Y…

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Q: Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching…

A: Mass of phosphoric acid = 2.0 x 10 3 g

Q: If 17.15 g of Na 2SO 4 and 19.61 g of BaCl 2 are dissolved in water and then mixed together, what is…

A: Given: Mass of Na2SO4 taken = 17.15 g. And mass of BaCl2 taken = 19.61 g. The balanced precipitation…

Q: How many molecules of HCl are formed when 60.0 g of water reacts according to the following balanced…

A: molecules of HCl are formed when 60.0 g of water = 3.34 × 1024 molecules HCL

Q: Starting with the partially balanced equation, CH₂COOH(1) + O2(g) →?CO2(g) + 2H₂O(l) what…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: 6. Magnesium oxide can be produced by heating magnesium metal in the presence of oxygen. The…

A: The balance chemical reaction :  2Mg(s) + O2(g) ---> 2MgO(s)  Mass of Mg = 10.1 g  Mass of O2 =…

Q: What is the coefficient in front of the NO when the equation below is balanced? NH₃(g) + O₂ (g) →…

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Q: Answer the questions about the balanced reaction      3 A  +  2 B  →  1 C  +  100. cal The molar…

A: Given- A+2B->1C+100 cal  Molar mass of A=10 gram  Molar mass of B=20 gram  Molar mass of C=70…

Q: How many grams of chlorine (the theoretical yield) will be produced when 74.8 grams of manganese…

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Q: 6 CO2  +  6 H2O  →  C6H12O6  +  6 O2 If 246 molecules of CO2 were allowed to react with twice as…

A: Answer:Excess reagent is the reactant that doesn't get consumed 100% during the chemical reaction…

Q: Bromobutane (C4H9B1) reacts with ethyllithium ( C2H5L¡ ) as follows: C4H9B. + C2H5LI → C4H9LI +…

A: • The given equation is,        1C4H9Br + 1C2H5Li → 1C4H9Li + 1C2H5Br    • We need to calculate the…

Q: Consider the reaction 3X + 2Y → 5C + 4D How many moles of C can be synthesized from 38.0 moles of Y…

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Q: When the equation is properly balanced, the coefficient of Fe is Fe +_ HCI →_ FeCl3 + _ H2 O 2 O 6 O…

A: On balancing , each coefficient must be whole number . It cannot be fraction. Coefficient of Fe is…

Q: →         SF6   If you need to make 35 moles of SF6, how many moles of each reactant are required?

A: The given equation is unbalanced. It is needed to be balanced for solving this kind of problem. Each…

Q: Chlorine

A: Molar Mass of HCl = 36.458g/mol Molar Mass of KMnO4 = 158.034g/mol Molar Mass of KCl = 74.55g/mol…

Q: A mixture of 4.5 moles of aluminum and 3.0 moles of oxygen is allowed to react: 4 Al(s) + 3 O₂(g) →…

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Q: Consider the reaction 3X + 2Y → 5C + 4D With excess Y, how many moles of X are needed to produce…

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Q: How many moles of iron(III) oxide are required to completely react with 1.40 x 1022 atoms of carbon…

A: To solve this problem first we will find the number of moles of Carbon given in the reaction by…

Q: Based on the balanced reaction: 2 Al + 3 Cl2→ 2 AlCl3, what is the maximum number of moles of AlCl3…

A: The number of moles of Al and Cl2 is 2.11×101 mol and 1.990×101 mol, respectively.

Q: Given the following reaction and the molar masses below, what is the percent atom economy (% AE) for…

A: The objective of this question is to calculate the percent atom economy (% AE) for the formation of…

Q: Consider the reaction 3X + 2Y → 5C + 4D How many moles of C can be synthesized from 23.0 moles of Y…

A: Given : 3X + 2Y → 5C + 4D              No.of moles of Y reacts with excess X = 23.0 mol   To…

Q: When 85.0 g of CH 4 are mixed with 160. g of O 2 what is the maximum amount of CO 2 that can be…

A: Mass of methane, CH4 = 85.0 g  Mass of oxygen, O2 = 160. g  Molar mass of methane, CH4 = 16.0 g/mol…

Q: Sodium hydroxide reacts with iron (III) chloride according to the following unbalanced chemical…

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Q: Given the following equation: 2 C4H10 + 13 O2 →→ 8 CO2 + 10 H2O How many grams of C4H10 are needed…

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Q: D. How many moles of C3Hs are consumed when 1.81 x 1023 molecules of CO₂ are produced in the…

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Q: Consider the reaction 3X + 2Y → 5C + 4D How many moles of X are needed to produce 23.00 moles of D?

A: Given reaction 3X + 2Y → 5C + 4D we need to calculate the moles of X needed to produce 23 moles of…

Q: [References] A sample of calcium metal with a mass of 2.06 g was reacted with excess oxygen. The…

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Q: Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum…

A: Let’s suppose, mole mixture = 100% Mole percent of Al = 67.2 % Mole percent of MnO2 = =100 – 67.2…