The combustion of pentane produces heat according to the equation C5H12(1) + 802(g)→ 5CO2(9) + 6H20(), AH°rxn= -3,510 kJ/mol. How many grams of CO2 are produced per 2.50 x 10 kJ of heat released? Multiple Choice 0.0809 g 3.56 g 31.3 g 157 g

Q: Draw the structures in the boxes provide

A:   Alkene with Br2/H2O gives bromohydrin is formed further it is converted into epoxide by reacting ...

Q: Methane and hydrogen sulfide react to form hydrogen and carbon disulfide, like this: CHĄ(9)+2H,S(g) ...

A: As per balanced reaction, 1 mmol of CH4 reacts with 2 mmol of H2S to form 4 mmol of H2. So, 235 mmol...

Q: 14.8 M NH3 solution is needed to prepare a solution containing 200.0 mL of 3.4 M NH3. How many mL of...

A: V1 =? M1 = 14.8 M V2 = 200 mL M2 = 3.4 M

Q: Balance the chemical equation  C7H14O2+ O2------> CO2+H2O

A:

Q: At constant volume, a sample of ammonia was changed to 3 atm and 452K, if the initial pressure of th...

A: Gay-Lussac's Law: The law that includes the parameters, temperature and pressure is Gay-Lussac's law...

Q: Which of these bonds is the most polar? The least polar? (a) C------N (b) C------C (c) C------O

A:

Q: Calculated Values/Values from the Graph 0.1987985 e Calculated absorbance A, for [HIn] = [In] %3D K ...

A: The concentration of H3O+ can be calculated by using the Henderson's equation which can be represent...

Q: Which one of these salts will form a basic solution on dissolving in water NaCl. KCN. NaNO3. NH4NO3....

A: NaCl ,KCN ,NaNO3,NH4NO3 ,FeCl3  

Q: Briefly explain: - why is it necessary to revise the heat capacity of the calorimeter when a solid ...

A: A question based on thermochemistry that is to be accomplished.

Q: A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in t...

A: The half cell considered is of Cu and H+. When source of Cu2+ in the electrolyte is [Cu(NH3)4]2+, th...

Q: Estimate the moles of Cu(NH3)4* formed, assuming all the original Cu2+ in the porous cup reacted to ...

A:

Q: y carbon atoms a

A:

Q: A mixture of 2 moles of H2, 3 moles of NH3, 4 moles of CO2, and 5 moles of N2 exert a total pressure...

A:

Q: some articifical sweeteners are isomers of natural sugars.  Being isomers, the digestive enzymes do ...

A: Null Hypothesis (Ho)- The artificial sweeteners will not significantly alter cell respiration in yea...

Q: Predict which ions are stable: (a) Br2- (b) C4- (c) Ca+ (d) Ar+ (e) Na+ (f) Cs+

A: The element which acquires noble gas electronic configuration are stable.

Q: Which of the following is expected to result in the following compound ? EņCuli CH;CH,MgBr OCH; 1) O...

A:

Q: Cl

A: This is a bicyclic compound. Rules for naming of a bicyclic compound are :-  Find total number of c...

Q: Consider the following reactions and associated equilibrium constants: A(g) C(g) = 1.700 *104 Bo D(g...

A:

Q: 3. The questions below are for compound W, 2,3-dimethyl-1-pentene. a) Draw the structure of compound...

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts fo...

Q: HIyHnynt each atom that is in a hydroxy group. H. H C O H H C -0-H

A:

Q: Acetic acid has a Ka of 1.8 x 10¼. Three acetic acid/acetate buffer solutions, A, B, and C, were ma...

A: pKa = -logKa pH = pKa + log(base/acid)  

Q: Find the product of the following reaction!

A:

Q: Use the Debye-Hückel equation to calculate the activity cocfficient of each ion at the given ionic s...

A:

Q: Rank the compounds in each group in order of increasing reactivity in electrophilic aromatic substit...

A: If electron density in benzene ring is maximum then reactivity towards electrophilic substitution re...

Q: Enter your answer in the provided box. One of the reactions that occurs in a blast furnace, in which...

A:

Q: s the mass c

A:

Q: Calculate the activity coefficient of K+ in 0.050 M KNO3. pls show the solution, thank u

A: Given-> Molarity of KNO3 = 0.050 M  

Q: For the following reaction, K, = 1.02 x 10-4 at 400 K: Br2 (g) + F2 (g) = 2 BrF (g) a) Determine the...

A:

Q: A common laboratory preparation of oxygen gas is the thermal decomposition of potassium chlorate (KC...

A: given :- mass of KClO3 = 29.82 g  to calculate :- amount of O2 produced by thermal decomposition of ...

Q: The a-decay of 238U (t,/2 = 4.47x10°y) leads to 234TH (t/2 = 24.1d). A sample of uranium ore should ...

A: Given, α decay of U238 to T234h. The isotopic abundance of U238 (natural) = 99.3 %

Q: If 100g each of the two reactants (dimethyl terepththalate and ethylene glycol) above were combined ...

A:           Mass of dimethyl terephthalate (DMT) = 100 g Molar mass of dimethyl terephthalate (DMT) = ...

Q: George Olah and coworkers reported a relative of COT shown above, 1,4- dimethylcyclooctatetraene dic...

A: The 1H NMR data of 1,4-dimethylcyclooctatetraene dication has 3 signals with relative integratio 2:1...

Q: Indicate the type of compound (I = ionic, M = molecular/covalent, OA = oxyacid, BA = binary acid) an...

A: Ionic bond is formed by transfer of electrons and formed between a metal and non-metal.  Covalent bo...

Q: Given the reaction: PCl3(g) + Cl2(g) ⇌ PCl5(g) Kc = 24.3 Suppose the system at that particular tempe...

A:

Q: Aresearcher raises the temperature from 56.8 to 69.6 "C and finds that the rate of the reaction doub...

A:

Q: 2N2O5(g) → 4NO2(g) + O2(g) rate constant, k=2.8×10−3  sec−1. If the initial concentration of [N2O5] ...

A:

Q: What is the molar mass of lead (IV) nitrate, Pb(NO3)4?

A:

Q: identify the most electrophilic molecule and briefly justify your choice.

A: Electrophile is species which carries positive charge on carbon and nucleophile is species which car...

Q: Determine AS for the phase change of 2.50 moles of naphthalene from solid to liquid at 80.3°C. (AH =...

A:

Q: Solve for the net ionic equation: 2FeCl3 + 12KSCN + 6HCl → 2Fe(SCN)6

A:

Q: units in the first column. Tablet identity (brand) Tums Titration Tablet 1 Mass of tablet/sample (g)...

A: Volume of NaOH = final reading - initial reading                             = 48.7 - 30.3          ...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A:

Q: e the pH of the solution. Be s

A:

Q: Experiment name: lon- exchange resins and chelometric titrations Q1: Discusion Q2: Purpose of experi...

A: Discussion : Ion exchange is chemical reaction which is reversible in nature where dissolved ions ar...

Q: Given: H2(g) + 1/2 O2 (g) —> H2O (l) Delta H = -285.8 kJ   Combine this equation with equation 1 a...

A: For combustion reaction , we need The compound ( or element ) and Oxygen as reactants, because combu...

Q: Which of the following represents Hund’s rule? A. No two electrons can have the same set of quantum ...

A: HUND'S RULE HAVE VARIOUS FORM,WILL EXPLAIN THEM BY EXAMPLE

Q: For a water sample with a bicarbonate ion concentration of 50 mg/L and a CO2 content of 30 mg/L: a) ...

A:

Q: How many grams of dry NH4CI need to be added to 2.20 L of a 0.400 mol L-solution of ammonia, NH3, to...

A: A weak base establishes a protonation equilibrium in an aqueous solution with hydroxide ion and weak...

Q: Choose the INCORRECT statement. Group of answer choices 1. The color of Zn, Cd, and Hg compounds d...

A: