3. The following diagram shows an energy profile for an uncatalysed reaction. reactant products Reaction coordinate (a) Referring to the energy profile, state whether the reaction is exothermic or endothermic. Explain briefly. (bXi) In the above diagram, draw a labelled energy profile for the catalysed reaction. (i) Hence, explain why the catalyst can speed up the reaction ABaug

Q: The equilibrium constant, Kc, for the following reaction is 6.50x10 3 at 298 K. 2NOBR(g) =2NO(g) + B...

A: Given : a equilibrium reaction

Q: You are given 3.56 grams of unknown acid. You dissolved it in 50.0mL of DI water and titrate it with...

A:

Q: calculate the titration curve of a 0.01 m aqueous solution of NH3 with 0.03M HBr. A minimum of five ...

A: Ammonia reacts with HBr as per the following reaction: NH3+HBr↔NH4++Br-

Q: Follow the format in answering each number: a) electronic configuration

A: 1. Sr  a) 1s2,2s2,2p6,3s2,3p6,4s2,3d10, 4p6,5s2 b) valence electrons = 2 c) Sr:

Q: Part A lodine atoms will combine to form I2 in liquid hexane solvent with a rate constant of 1.5 x 1...

A: Given data : 

Q: The equilibrium constant, Kc, for the following reaction is 6.33x10 5 at 536 K. NH4CI(s) NH3(g) + HC...

A: Given :-  NH4Cl(s)  <---->  NH3(g) + HCl(g)  Kc = 6.33 × 10-5  To calculate :- Kc for  NH3(g) ...

Q: 2CH2CI2(g) =CH4(g) + CCI4(g) If 0.552 moles of CH2CI2(g), 0.514 moles of CH4, and 0.444 moles of CCI...

A: 2CH2Cl2(g) --> CH4(g) + CCl4(g) At equilibrium- Moles of CH2Cl2 = 0.552 moles Moles of CH4 = 0.51...

Q: Hexane has several isomers. Which of the following condensed formulas is not an isomer of hexane? O ...

A: Isomers: Chemical compounds that have identical chemical formulae but differ in properties and the a...

Q: Explain the relationship between an atoms number of electrons and it's relative stability

A:

Q: Answer in full sentence: What do you predict would have occurred in the reaction baking soda + vine...

A: The reaction is: Sodium bicarbonate and acetic acid reacts to carbon dioxide, water and sodium aceta...

Q: hydrogen increases lose reducing agent decreases gain oxygen oxidizing agent electrons Oxidation is ...

A: Definition : 

Q: • Part A A lead-acid battery uses a redox reaction in which lead(0) and lead(IV) are both converted ...

A: The reaction given is, => Given: Time passed = 5.00 hours = 5 × 60 × 60 = 18000 s               ...

Q: 11.00 g of Compound X with molecular formula C,H, are burned in a constant-pressure calorimeter cont...

A: 11.00 g of C3H5 is burned in a constant pressure calorimeter, contains 50.00 Kg of water at 25 ◦ C. ...

Q: k-1 * + A, A+ A deactivation by binary co k2 +bA + bA products reaction step = 0 for unimolecular re...

A:

Q: 8. As a rough calculation (i.e. not a ICE table), follow the instructions for Part 3a to calculate t...

A:

Q: 16. Explain why CO2 and SO2 have a big difference in boiling points. Which has the higher boiling po...

A: CO2 and SO2 is gas at room temperature.  Boiling point is the temperature at which liquid converts i...

Q: When 15.0 mL of a 0.5757 M potassium phosphate solution and 0.100 L of 0.7575 M HgNO3 were combined ...

A:

Q: In a covalent bond between two atoms, only one nucleus is attracted to the shared valence electron.

A: The covalent bond is formed by the sharing of electrons between the atoms. The atoms share electrons...

Q: Consider the reaction: S(s) + 02(g) s02(g) Write the equilibrium constant for this reaction in terms...

A: Equilibrium constant is the ratio of equilibrium concentration of products and equilibrium concentra...

Q: Use Dalton's Law of partial pressure to solve the problems below. Write in a separate sheet of paper...

A:

Q: Describe the mechanism of action for moist heat dry heat aldehydes

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

Q: 4. Draw 3 resonance structures for each framework, indicate all formal charges, and circle preferred...

A:

Q: What is the mass of H20 would be produced if 22.5 g of C2H5 reacted with excess oxygen? Exponents as...

A: For this question, write balanced reaction of C2H5 with H2O and then solve it using given informatio...

Q: Calculate the wavelength, in nanometers, of the light emitted by a hydrogen atom when its electron f...

A: Given:: Initial state, n1= 4 Final state, n2=2 find wavelength = ?

Q: Assigning oxidation numbers Some chemical reactants are listed in the table oxidation state of speci...

A: Given :-  NH4+(aq)       Cu2+(aq)        H2O(l)             Cu2O(s)  To assign :-  Oxidation state...

Q: Consider the following reaction where Ke = 6.30 at 723 K. 2NH3(9) N2(g) + 3H2(g) A reaction mixture ...

A:

Q: (Q8) The Ka of formic acid is 1.8 x 10-4, the Ka of hydrofluoric acid is 6.4 x 10-4 and the K, of hy...

A:

Q: A chemist prepares a solution of sodium thiosulfate (Na, S,0,) by measuring out 1.2 g of sodium thio...

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

Q: 1. AL + HНе 30 15P + on -> 63 2Cu + H 2 on + 63 Zn. 30 65 3. 30Ca 65 29SC 2.

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for you...

Q: formulas formed between the given ions. Barium and Chlorine Show solutions. Follow the format in an...

A: a) electronic configuration  Ba = 1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6, 4d10, 5s2 ,5p6,6s2 Cl = 1s2,2s2,...

Q: Determine the pH for the following 0.100 M LiF (Ka = 6.6 x 104) а) 3.2 х 10-6 МBa(ОН)2 b) 2.

A:

Q: A mixture containing only BaO and CaO weighs 3.50g. The oxides are converted to the corresponding mi...

A:

Q: If 5.08 mol of CO occupy 21.3 L, how many L will 16.4 mol of CO occupy at the same temperature and p...

A:

Q: 3A(g) + B(g) + 2C(g) → D(g) + 2E(g) Rate of formation of D= k [A] [B]? Doubling the concentration of...

A:

Q: DD 4000 3000 2000 1000 NVENUERl

A:

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O). W...

A:

Q: Methanol liquid burns readily in air. One way to represent this equilibrium is: 2 CH3OH(I) + 3 02(9)...

A: Recall the given reaction,     2 CH3OH (l)  +  3 O2 (g)  <------->  CO2 (g)  +  4 H2O (g) Here...

Q: Tenidor Draw the structure of the major organic product of the following reaction. 1. Hg(OAc)2, H20 ...

A:

Q: 12. P + }H 28 14Si si + 13. 14N + 17 80 14. 23Pu + H • on + 944

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

Q: [Review Topics] [References] When a new chirality center is created, isomers can result. For the rea...

A:

Q: Determine the percent composition by mass of a 100 g salt solution which contains 20g of salt.

A: Weight of salt = 20 gm Weight of solution = 100 gm  

Q: Consider the following reaction where K. = 55.6 at 698 K. H2(g) + I2(g) =2HI(g) A reaction mixture w...

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical eq...

Q: Common monosubstituted benzene parent compound names accepted by IUPAC OH NH2

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

Q: Answer in KJ/mol C,H,(g) + H, (g) =2CH,(g) standard conditions are 298 K and a partial pressure of I...

A:

Q: Draw tructural or or he ajor roduct f he eaction shown. CH3CH=CHCH3 Cl2 • Do not show stereóchemist ...

A: CH3CH=CHCH3 +Cl2/H2O ----> 

Q: Problem 7. How will you distinguish the two members of each of the following pairs of compound by th...

A:

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

A:

Q: Balance the following equation by filling the gaps with appropriate numbers. Ca + HCI CaCl2 H2

A:

Q: K = CD [A]° [B]° Q Please calculate the molar solubility of Al(OH)3 when dissolved in a pH =3.59 sol...

A: Given that: Ksp of Al(OH)3 = 2×10-32 Al(OH)3(s) < .....> Al3+(aq) + 3OH-(aq) pH = 3.59

Q: Part A The data shown below were collected for the following second-order reaction: Cl(g) + H2(9) → ...

A: