A reaction is carried out at 25 °C with AH° = 20 kcal/mol and AS° = 25 cal/K-mol. (R : 8,314 J/K-mol or 1.987 cal/K-mol)Is the reaction exothermic or endothermic? Why? What does the value of the entropy tell about the reaction? Why? What is the equilibrium constant? Is the reaction spontaneous? Why?

Q: How many grams of solid potassium hypobromite, KBrO must be added to 500.0 ml of 0.500M hypobromous ...

A:

Q: <. +] QUESTION 8 Which is true regarding Sr? O The atoms lose 2 electrons to form a +2 ion The atoms...

A:

Q: NO + MnO2 → NO2 + MnO4 What is the coefficient of H* in the final redox reaction if balanced in an a...

A:

Q: Which is true regarding the F-F bond in the compound F2? it is ionic it is polar covalent O it is no...

A: The chemical bond between similar atoms is always a non polar covalent bond. And F2 is a compound th...

Q: two different students on two different days perform the paper chromatography experiement using the ...

A: In paper chromatography, the stationary phase is a special quality paper called chromatography paper...

Q: Carbon dioxide and water react to form methanol and oxygen, like this: 2 CO,(9)+4 H,0(9)→2CH;OH(1)+3...

A:

Q: Based on the information I was able to solve and provide, may I get help on #25 (Compare the actual ...

A: We will use the adjusted temperature based on the thermometer calibration as the actual freezing poi...

Q: An aqueous solution has an hydroxide ion concentration of 1E-7 M   (10 -7 M). Remember to use e not...

A: • The values provided in the question are:-  i) Hydroxide ion concentration of a solution, [OH-] = 1...

Q: Mechanism. Provide the complete mechanism for the reaction below. You must include appropriate arrow...

A: Hydrolysis of Imine gives carbonyl group and amine. 

Q: 2. Paracetamol NAPQI Classification: paracetamol NAPQI Reaction: Enzyme: HOʻ

A: 1) Classification Of Drug Mechanism Paracetamol is a drug used in the separation of mild pain, such ...

Q: color of the flame produced when using in AAS in potassium determination  a. orange  b. none of th...

A: Potassium produce flame color blue purple.  Hence e  option is correct that is purple. 

Q: 6. Write the empirical formula for acetylene.

A:

Q: Calculate the pH of a solution that is 0.052 M in HCl and 0.020 in HClO4

A: Given that,  The concentration of the solution in HCl = 0.052 M And the concentration of the solutio...

Q: Calculate the [H 3 O+ ] of the solution with pH = 8.15 .

A:

Q: give detailed answer please, don't put wrong answer) Step-1 I2 2 I (fast,...

A:

Q: Nitric acid reacts with aqueous barium hydroxide to give aqueous barium nitrate and water. Write a b...

A:

Q: Please derive the reduced form of the Berthelot equation of State

A:

Q: 5. What mass of C2H6O is needed to react with 256 g O2?

A: When C2H6O reacts with Oxygen it generates CO2 and H2O. Using stoichiometric of balanced reaction we...

Q: Four major contributing resonance structures are possible for the given cation, which is the interme...

A:

Q: The decomposition of nitrogen dixoide, 2NO2(g) → 2NO(g) + O2(g) has a rate constant of 0.498 M/s a...

A: The decomposition of nitrogen dixoide, 2NO2(g) → 2NO(g) + O2(g) Rate Constant, K1 = 0.458 M/s at Tem...

Q: Combustion analysis of an unknown compound containing only carbon and hydrogen produced 0.2845 g of ...

A:

Q: What is the type of column used in chromatography (HPLC) and it's applications and mechanism

A: It is as follows

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(I...

A: Given percentage yield is 80.7

Q: 5. Aspirin Salicylic acid + acetic acid СООН Classification: ÇOOH Reaction: LOCOCH3 HO + CH;COOH Enz...

A: Aspirin is formed by the reaction of salicylic acid and acetic anhydride in the presence of acetic a...

Q: TRUE OR FALSE: Group 14 elements are gases at room temperature and pressure

A: Carbon silicon germanium tin lead are group 14 elements

Q: 5. For the following pairs of species, which is the strongest nucleophile in acetone? Explain.

A: Nucleophilicity is the tendency of the nucleophile to donate electron to an electron deficient speci...

Q: In a homogeneous isothermal liquid polymerization, 20% of the monomer disappears in 34 minutes for i...

A:

Q: Calculate [OH^ - ] of NaCIO, 0.110M ; Ka HClO =3.0*10^ -8; a) 3.0 * 10 ^ - 4; b) 1.9 * 10 ^ - 5; c) ...

A:

Q: he empirical formula for trichloroisocyanuric acid, the active ingredient in many household bleaches...

A:

Q: Consider a weak acid "HA". What is the pH of a 0.957 mol L-1 solution of HA? The KA of HA is 7.09 x ...

A: The acid dissociation constant for the HA is = 7.09×10-7 The concentration of HCN solution is = 0.95...

Q: the concentration of H, were halved? A. The rate would not change. B. The rate would be doubled. C. ...

A:

Q: Nickel and carbon monoxide react to form nickel carbonyl, like this: Ni(s)+4 CO(g)→Ni(CO),(9) At a c...

A: Equilibrium  constant kc is the ratio of the product concentration  of the product  to the product  ...

Q: Calculate the Henry’s law constant ( in torr) of a certain compound with molar mass 51 . The solubil...

A:

Q: All please

A: The solution is as follows:  

Q: How many M-M bonds do you predict for each of the following molecules or ions? b. [(n°-CSH5)Mn(CO)2]...

A: Transition metal complexes are stable with 18-valene electrons. i.e. Most of them follow 18 electron...

Q: Element Atomic Atomic Radius E- configuration ( short Boiling Melting Standard 1st Point in ionizati...

A: The standard enthalpy of fusion is the heat (enthalpy) required to change the physical state from so...

Q: Calculate the hydronium concentration for 0.15M HCl if the equilibrium constant is Ka=10^10. Give th...

A:

Q: Which of these metals will not be oxidized in hydrochloric acid under standard conditions at 25°C? ...

A:

Q: c. Indicate the new C-C bonds in each molecule and then provide the organohalides that were used to ...

A:

Q: According to your calculations, an experiment in lab should have produced 29.95 grams of product. If...

A:

Q: Benedict's Test. Which of the following tested compound(s) would give a positive test? Why? H3C Acet...

A: Only aliphatic aldehyde give Benedict's test.Aliphatic aldehydes on treatment with Benedict's soluti...

Q: The chemical formula for sodium chloride is NaCl. A chemist measured the amount of sodium chloride p...

A:

Q: Electrolysis of an aqueous magnesium iodide solution at standard conditions would form the following...

A: Given,  Electrolysis of an aqueous magnesium iodide solution at standard conditions would form the f...

Q: The reaction of 5.07g N2 with 0.722g h2 produces 1.27g NH3. What is the percent yield of this reacti...

A: Yield is calculated by ratio of Autual yield to theoretical yield.  

Q: Which factor of chemical equilibrium affects the value of K? Write the balanced equation for the Iro...

A: Equilibrium constant is defined as products concentrations divided by reactant concentrations to pow...

Q: Given the following reactions: 2C D K = 7.13 x 10 !! D 2A+ 2B Kc=8.94 x 102 1st attempt Calculate th...

A: Calculate equilibrium constant of the given reaction,  A + B ↔C  KC = ? 

Q: decrease in the metal wire mass indicate

A: In this question we have to explain that what would an increase in the metal wire mass indicate when...

Q: Calculate the volume percent, % (v/v), of solute in the following solution: 20.0 mL of methyl alcoho...

A:

Q: In the given electrochemical reaction: Zn (s) + Cu2+ (aq) —> Cu (s) + Zn2+ (aq) Which is the half-r...

A: Redox reactions are defined as the reactions where oxidation and reduction takes place.

Q: 1. Explain how water's phase diagram differs from those of most substances. What property of water c...

A: