Mass-Mass Calculations How many grams of HNO, are required to produce 8.75 g of N,0 from the following reaction? 4 Zn + 10 HNO3 → 4 Zn(NO3)2 + N20 + 5 H,0

Q: 18. Which of the following molecules is ethyl butanoate? a. c. b. d.

A: The structure of ethyl butanoate is to be identified-

Q: Which of the following will have a Lewis structure most like that of carbon disulfide?   Group of a...

A: Lewis structure can be drawn by the following steps, The Lewis electron dot structure for given mole...

Q: 7. AH for an uncatalyzed reaction is -5.0 kJ/mol. If the activation energy, Ea, is 20.0 kJ/mol, whic...

A: We know that ΔH = Energy of product - Energy of reactant. ΔH < 0 => Energy of product < Ene...

Q: For this weak deactivator versus another weak deactivator, does the addition of the Cl reagent add t...

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Q: I'm not sure how to do this.

A: To solve this qu we need to check the ΔH and ΔS for the below 6 processes. Now to decide the sign of...

Q: How many grams of solute are present in 885 mL885 mL of 0.220 M KBr?

A: Molar mass of KBr = 119.002 g/mol.  

Q: For the neutralization reaction H2SO4 + 2NaOH-> Na2SO4 +2H2O, how many grams of H2SO4 are needed ...

A: The given reaction is :                   Molar mass of NaOH = 40 g/mol Molar mass of H2SO4 = 98.07...

Q: Using bond energies and the energy change of the reaction, calculate the bond energy of the CS doubl...

A: Given, Bond Energy(kJ/mol) H-H 432 C-H 411 S-H 363 Reaction energy(kJ) ...

Q: Using bond energies and the energy change of the reaction, calculate the bond energy of the CS doubl...

A: The bond energy for CS double bond (ΔbondHC=S) is calculated as shown below where ΔrH represents the...

Q: In an industrial process, nitrogen is reacted with hydrogen to produce ammonia. The percent yield of...

A: Given, Actual mass of ammonia, NH3 produced = 4.8 kg = 4800 g    (1 kg = 1000 g) Percent yield = 28 ...

Q: Please help me with this problem, double and triple check your answers previous tutors got it wrong.

A: Heat in kilojoules can be calculated using the specific heat capacity, temperature difference and th...

Q: Calculate the grams of O2O2 required for the combustion of 29.1 gg of ethylcyclopentane.

A: Given that 29.1 g of ethylcyclopentane reacts with oxygen to form carbondioxide and water . Number o...

Q: One method for determining whether an individual has recently fired a gun is to look for traces of a...

A: Assume ‘x’ ng of Sb are taken from the hands of the individual.  They are dissolved in 5mL of HCl, a...

Q: Gven the reaction at 298K: 2 HyS Cg)t SOzlg) 35(5, rhombic) + 2H,0(g) a) Determine AH°rxn AH'oxn= Ky...

A: Balanced chemical reaction is given by, Standard enthalpy of formation of H2S (g) = -20.1 KJ/mol St...

Q: Answer part a and b

A: Cell reactions are given by, Calculation for Eocell: Reversing and multiplying the equation with 3:...

Q: Rewrite each of these structures as a condensed structure. H F\H H H-C-Ċ-Ċ –Ċ-H H FHH condensed stru...

A: In a condensed structural formula, or semi-structural formula, covalent bonds are not always shown a...

Q: Indicate whether each statement is true or false. (a) Thesecond law of thermodynamics says that entr...

A: (a) The statement is false, because entropy created is distributed to the surroundings. Entropy cann...

Q: A buffer is prepared by adding 10.0 g of ammonium chloride(NH4Cl) to 250 mL of 1.00 M NH3 solution. ...

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Q: 15. Which of the following molecules is acetic acid? а. СН:СООН b. CH3COONa c. CH3CH2COOH d. CH3CH2C...

A: Given molecules:

Q: How many lone pairs of electrons are on the central atom of SeH2 and what is the molecular shape?  ...

A: In SeH2 the central atom is Se, there are 2 lone pair of electrons on central atom (Se). molecular g...

Q: 17.18

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Q: how many milligrams of sodium are contained in 4.50g of NaCl

A: Given, Mass of NaCl = 4.50g

Q: Using the standard heats of formation and the absolute entropies, calculate ΔG∘ΔG∘ (in units of kJ) ...

A: The standard values of enthalpy and entropy are given below.

Q: Carbonyl bromide can dissociate into carbon monoxide and bromine At 73 °C, the equilibrium constant ...

A: The equilibrium constant, Kp for a reaction is given as :

Q: A weak acid has K a = 1.00 × 10 -3. If [HA] = 1.00 M what must be [A -] for the pH to be 2.7?

A: Henderson Hassel Balch equation is given below.

Q: Please help me show all the work as I will be using this to study, double and triple check your answ...

A:  

Q: Predict the organic product(s) for the following reaction. 1. Excess (CH3)2NH 2. LIAIH4 3. Н2О 4. Ex...

A:

Q: The degradation of CF3CH2F (an HFC) by OH radicals inthe troposphere is first order in each reactant...

A: As there are two reactants and the reaction is first order in each reactant, the rate of the reactio...

Q: NUMBER 63 and 64 and 65

A: Since you have asked mutiple questions we will answer the first qu i.e 63.

Q: a Suppose hydrogen atoms absorb energy so that electrons are excited to the n = 7 energy level. Elec...

A: (a) The energy for transition is calculated using the below equation where k is a constant.  

Q: 0.321 in scientific notation

A: Given data, 0.321 in scientific notation  

Q: The conversion of natural gas, which is mostly methane,into products that contain two or more carbon...

A: (a)The equilibrium constant for the reactions at 250C can be calculated as follows:

Q: Write the formula for calcium nitride

A: The chemical formula of any compound consists of the electropositive part at the left side and the e...

Q: How much heat is needed to raise the temperature of 100.0 g of water from 30.0°C to 100.0°C?

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the tem...

Q: Consider the balanced combustion reaction.  2C8H18+25O2⟶16CO2+18H2O2C8H18+25O2⟶16CO2+18H2O    How ma...

A: The reaction is given below.

Q: Milk of magnesia, which is an aqueous suspension of magnesium hydroxide, is used as an antacid in th...

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are...

Q: Name the following Cd(C2H3O2)4

A: Let the oxidation state of cadmium in the molecule be x. The charge on single acetate ion is -1. The...

Q: What is the pH of a 0.052 M solution of sodium acetate? K a (acetic acid)= 1.8 × 10 -5

A: Given that 0.052 M sodium acetate is present. Sodium acetate is the salt of acetic acid and a strong...

Q: 1. Which of the following molecules contain(s) a polar bond? ОН III IV а. I, II and IІ. b. I, II and...

A: Polarity of a bond is based on the difference in the electronegativity of the elements attached. The...

Q: What is the concentration of sodium ions in 0.315 M Na₂CO₃?

A: Given: Concentration of Na₂CO₃ = [Na₂CO₃] = 0.315 M

Q: A sample of 0.2140 g of an unknown monoprotic acid wasdissolved in 25.0 mL of water and titrated wit...

A: Given: Mass of unknown monoprotic acid = 0.2140 g Volume of water = 25.0 mL Concentration of NaOH = ...

Q: How many grams of nitric acid, HNO3, are required to neutralize 4.30g of  Ca(OH)2 according to the a...

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are...

Q: When a solution of ammonium sulfate is added to a solution of strontium nitrate, Sr(NO3)2, a white p...

A:

Q: (a) Use the standard reduction potentials in Table  to calculate the standard free-energy change, ΔG...

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Q: Balance the following chemical equation: K2S(s) + HBr(aq) >H2S(g) + KBr(aq)

A: A balanced chemical equation is that in which all the reactants and products are written with their ...

Q: 2SO2​ (g) + O2​ (g) ------> 2SO3​ (g)   ΔS° =  _____J/K

A: The given chemical equation is represented as follows:

Q: For the reaction 2Na (g) Na2 (g) the following values of K have been determined (C. T. Ewinget al., ...

A: The relationship between the equilibrium constant and temperature and ΔH is as shown below.

Q: Write an equation showing why the crude aspirin dissolves in the saturated NaHCO3 solution

A: Given that crude aspirin dissolves in the saturated sodium bicarbonate solution. In water, aspirin i...

Q: What mass of precipitate will form if 1.50 L1.50 L of highly concentrated Pb(ClO3)2Pb(ClO3)2 is mixe...

A:

Q: In the laboratory you dissolve 15.8 g of iron(II) chloride in a volumetric flask and add water to a ...

A: The chemical formula of iron (II) chloride is: FeCl2 The balance chemical equation for the ionisatio...