When the following equation is balanced   ____H2 + ___O2 à____H2O the coefficients of the balanced equation are   A. (2,1,3)   B. (2,1,2)   C. (1,1,2)   D. (1,2,4)   E. (2,1,1)

Q: in Learning Calculate the number of carbon atoms in 3.681 gallons of octane, Cg H₁g (1 gallon =…

A: 1 gallon = 3.785 l So 3.681 gallons = 3.785 × 3.681 l         Volume = 13.9325 litres = 13932.5 ml

Q: Question 11

A: Total number of shared electrons in acetic acid has to be calculated.

Q: How many moles of lactic acid (C3H6O3) are contained in 3.288 grams of lactic acid? (4 sf)

A: To calculate the moles of any substance in given mass , we use the formula : Moles = mass / Molar…

Q: e empirical formula са

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Q: Calculate AH for the formation of benzoic acid from its constituent elements

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Q: How many moles of Mg (OH) 2 are formed

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Q: Hydrogen gas has been suggested as a clean fuel because it produces only water vapor when it burns.…

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Q: What are the coefficients respectively when theequation __PH3 + __O2  __P2O5 + __H2O is balanced?…

A: In a balanced chemical  equation each side of the equation has the same number of atom of a given…

Q: Given the following reaction answer the questions below: Mg(s) + 2 HCl(aq) → MgCl₂(aq) + H₂(g) How…

A: We are given the reaction,  Mg + 2HCl  →  MgCl2  + H2   5.00 gram of HCl reacts with excess Mg. We…

Q: 9.1 Calculate the total mass of the reactants and the products for each of the following equations:…

A:

Q: How many moles of NO2 you should obtain if 0.60 mol O2 reacts with excess of NO?  2 NO    + O2…

A: Reaction: 2 NO    +   O2    →   2 NO2 2 mol       1 mol         2 mol   According to the reaction: 1…

Q: Sloichiometry: Mole to Mass Problems Mg +2HCI → MgClz +2 H2 1. a. How many grams of HCl are consumed…

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

Q: Question 24 of 26 Fill in the blanks: Al2(SO4)3(aq) + KOH(aq) Al(OH)3(aq) + K2SO4(aq) A) 1,3,2,3 B)…

A: Given :

Q: Unknown D: In a clean and dry crucible with cover, weighing 25.234 g some of the unknown hydrate…

A: Given: Unknown hydrate CaCl2.nH2O Weight of clean, dry crucible cover =25.234 g Mass after placing…

Q: 5. Calculate the molarity for each of the following solutions. (6 points) a. Dissolving 45.1 moles…

A:

Q: 3.4.4 Determine the empirical formula of a compound that has the following composition: 48.6 percent…

A: Empirical formula represents the smallest whole number ratio of the atoms in a molecule.

Q: 3.5 Stoichiometry 5. Given the following chemical equation, answer the questions below:…

A:

Q: Question 24 of 26 Fill in the blanks: Al2(SO4)3(aq) + KOH(aq) Al(OH)3(aq) + K2SO4(aq) A) 1,3,2,3 B)…

A:

Q: When all of the coefficients are added together in the balanced reaction (once you balance it), what…

A: Balance reaction means numbers of  atoms are same on both sides that is reactant and product

Q: An aqueous solution known as Ringer's lactate is administered intravenously to trauma victims…

A: [NaC3H5O3] = 5.00 mM = 5.00 x 10-3 M Volume = 7.00 L Molar mass of NaC3H5O3 = 112.06 g/mol   Moles =…

Q: SCIENCE 9 QUARTER 2 WEEK 8 Monosodium glutamate (MSG) or known as "Vetsin" has a chemical formula…

A:

Q: A student sets up and solves the following equation to solve a problem in solution stoichiometry.…

A: The given problem is:To find the missing part of 47.6.

Q: nce the following equation. The coefficient of water is PCI, H0-HPO, HC Select one: O a. 4 O b. 1 O…

A: Balancing the equation means number of elements and charge on each side (product and reactant side)…

Q: A lotion vehicle contains 15% w/ of glycerin (sp gr 1.25), How much glycerin should be used in…

A: Given that -  Percentage weight of glycerine = 15%  Specific gravity (sp gr) = 1.25  Volume of…

Q: #1 What is the mole coefficient for NO if the following reaction is correctly balanced?   NO(g) +…

A: Since you have posted multiple questions so as per guidelines we can not answer more than one…

Q: How many equivalents are in 2.0 g of SO4 2-?   0.042 Eq SO4 2- 0.021 Eq SO4 2- 2.0 Eq SO4 2-…

A: The given mass of SO4-2 = 2.0 g The equivalent of SO4-2 is calculated as,                   Eq = Mn…

Q: When the following equations is balanced,   ___N2 + ___H2 à____NH3 the coefficients of the…

A: Balancing an equation is necessary so as to abide by the law of conservation of mass. Balancing  a…

Q: A compound is made by carbon, hydrogena and nitrogen and 1 g of this compound contains 91.5 mg of…

A: From the elemental analysis we can calculate the empirical formula .

Q: If 14.243 g of KI is dissolved in sufficient water to make 500.00 mL of solution, what is the…

A: Molarity :- Molarity is defined as the moles of a solute per liters of a solution.  Molarity is also…

Q: 14. How many micro grams are in 0.15 mole of NaOH? (a) 0.15 X 106 (b) 0.15 X 10-6 (15 X 40 X 106

A: Mole can be defined as a standard unit for measuring large quantities of very small entitis such as…

Q: Question 12

A: The reaction is:

Q: 3.5 moles of methane reacts with 12 moles of oxygen gas in a combustion reaction. How many moles of…

A: In a balanced Chemical reaction, Limiting reagent is the one which has less value of:-…

Q: 2. To make 5 mL of 2M Tris (MW = 121.1) solution you would add: a) 01211 b)12.11 g of Tris in a…

A: 5ml of 2M tris (MW= 121.1g)  Concentration (C)= 2M  Volume(V) = 5ml = 5x10-3 L  Number of moles(n) =…

Q: What is the correct balanced équation for the following reaction? aluminum chloride reacts with…

A: GivenReactantAluminium chloride Potassium Oxide Product Aluminium Oxide Potassium chloride

Q: potassium chloride lead(II) nitrate The percent yield for the reaction is 87.2%. How many grams of…

A: Limiting reagent is one which get consumed firstly in the reaction. Limiting reagent decides the…

Q: Balance the following: ____CH4____O2 + à____CO2 + ____H2O     A. (2,2,4,4)   B. (4,4,4,2)…

A:

Q: Fe,O3 + 3 C -A 2 Fe + 3 CO (15) How many kilograms of iron would be formed from 125 kg of Fe203?…

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

Q: 1. Which element is oxidized in the following reaction: 2FECI2 + Cl2 → 2FECI3 if Fe goes from +2 to…

A: Given , chemical reaction : 2 Fecl2 + cl2 ---> 2 FeCl3

Q: , (What is the weight needed to prepare (2 litters) of (0.1)N of calcium carbonate (CaC03 40, C= 12,…

A: Given:: Normality of CaCO3 = 0.1 N molar mass of CaCO3 = 100 g mol-1 Volume= 2 L weight of CaCO3= ?

Q: Please re do over the work and check it it correct

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: (5.8)Which of the following reactions will form a gaseous product? O H₂CO3(aq) + Pb(NO3)2(aq)…

A: Here we are required to find the gaseous product of the reaction

Q: The following item is used in chemistry laboratory. It is called as a glass rod with bulb. 100…

A: The items which we use in chemistry lab in order to carry out an experiment are known as apparatus.…

Q: How is the preferred product gathered? * 6. 7 from 5 to 7 O from 7 to 5 O from 2 to 9 O from 9 to 2

A: Given process is distillation process

Q: For the reaction 2Na + 2H20 --> 2NAOH + H2 How many moles of H2 are produced from 3.36 moles of H2O…

A: The amount of substance can be expressed in moles. 1 Mole = 6.023 ×1023 particles. These particles…

Q: After balancing the following chemical equation, what are the coefficient FeCl2 + NazPO4 - Fe3(РО4)2…

A: Given reaction FeCl2  + Na3PO4 → Fe3(PO4)2 + NaClBalance = To be determined

Q: empirical formula

A:

Q: Experiment 1: Volumetric Glassware and Balance: The correct burette reading of the following figure…

A: Burette readings: The burette reading depends on the color of the solution. If the filled solution…