2. In heterogeneous reaction and system at equilibrium such as decomposition of solid sodium bicarbonate. Write the equilibrium expression. 2NaHCO3(s) N22CO3(s) + H20(g) + CO2(g)

Q: B. Indicate for the following the direction, if any, the point of equilibrium would be shifted by an…

A: According to le chatelier principal if pressure of system is increases than  equilibrium will shift…

Q: 4. How sizing down to Nano affect material properties?

A: Since  substances at the nanoscale level have a greater surface-to-volume ratio, which causes them…

Q: 1. Cd + NiO2 + H₂O → Cd (OH)2 + Ni(OH)2

A: For the given equation balanced equation will be Cd + NiO2 + 2H2O→ Cd(OH)2 + Ni(OH)2

Q: Assign Cahn-Ingold-Prelog rankings to substituents: (a) – CH=CH2, -CH(CH3)2, -C(CH3)3, -CH: (b)…

A:

Q: 3. What is the pH of a buffer that is 0.175 M in a weak acid and 0.200 M in the acid's conjugate…

A: Given that:  Concentration of weak acid [HA] = 0.175M [A-] = 0.200M Ka = 5.7×10-4

Q: Complete the following table. Equilibrium reaction H2(g) + C12(g) → 2 HCl(g) Fe3O4(s) + 4 H2(g) +…

A: Here we have to apply Lechatelier principle to answer the given questions.

Q: 6. The molar solubility of ZnS is 1.6 x 10 12 M in pure water. a. What will be effect in the molar…

A: Given, The molar solubility of ZnS in pure water = 1.6 x 10-12 Molarity of Na2S = 0.5 M The molar…

Q: 1. How does soap cleanse water and oil? 2. How does milk may wash away the oils in spicy food?

A: Solubility is defined as the dissolution of a solute in a solvent. A solute will be dissolved in a…

Q: The boiling of water is aa. physical change because the water disappears.physical change because the…

A: The boiling of water is a physical or chemical change. (a) physical change because the water…

Q: III. THREE RESISTORS ARE CONNECTED IN SERIES R1 = 5 OHM, R2 = 10 OHM. WHAT WILL BE THE VALUE OF THE…

A: Answer: Relation between current, voltage and resistance of the circuit is:  R=VI

Q: 2. Calculate the [ H*] of each of the following given the pH and pOH a) pH = 2.5 b) pH = 5.2

A: Formula used pH = - log [H+] = 1[H+] = antilog (pH)

Q: Test Sample Observations Phenol Colorless to dark yellow, positive Resorcinol Yellow to black,…

A: Ferric chloride test is used to distinguish between phenols and alcohols or it can be used to…

Q: 2. Consider this system at equilibrium : SO3(g) SO2(g) + ½ Oz(g) Predict whether the forward or…

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

Q: The sketch below shows three objects with electric charge. (The charge of each object is written on…

A: Answer: Opposite charges attracts each-other and same charges repel each-other.

Q: 4. What is the solubility in mol/L of barium sulfate in water if its Ksp is 1.5x10⁹?

A: We know that the solubility product of ionic compounds can be defined as the solubility product is a…

Q: Assign R or S configuration to each chirality center in the following biological molecules: (a) (b)…

A:

Q: 2. Predict whether each of the following pairs of substances could function as a buffer system in…

A: 2. A solution which can resist the change in pH upon addition of acids or bases in small volume is…

Q: 3. Indicate for the following the direction, if any, the point of equilibrium would be shifted by an…

A: Le Chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: 3. Calculate the solubility of AgCl in 0.10M NaCl. Ksp = 1.8x10-¹0

A: AgCl is a sparingly soluble salt.

Q: 1. At 373K, Kp =0.416 for the equillbrium 2NOBr(g) > 2NO(g) + Brz(g) If the pressures of NOBr(g) and…

A: Given: Kp = 0.416  at 373K  Pressure of NOBr and pressure of NO is equal  So find presure of ( PBr2…

Q: 3. What is the CORRECT equilibrium constant expression of the given chemical reaction: HF(aq) +…

A: The chemical reaction is given by , HF(aq) + C2O42-(aq)<----> 2F-(aq) + H2C2O4(aq)

Q: 1) Given the following balanced equations, determine which is in a more disordered state. a. H₂O(l)…

A: Given,

Q: 5. A liquid cannot be separated into its components through physical means but can be decomposed…

A: Answer 5. In chemistry, we have elements, mixtures, compounds and solutions. In solutions, we have…

Q: 4. A chromate in a water solution exists in equilibrium with the corresponding dichrarhate ion…

A: Le Chatelier's principle :- It states that, when stress is applied to a system at equilibrium by…

Q: 2. At 21.8°C, Keg = 1.2 x10-4 for the equilibrium NH4HS(s) > NH3(g) + H2S(g) Calculate the…

A: We are given : Keq = 1.2 × 10-4 Reaction :    NH4HS(s)        →    NH3(g)   + H2S(g)

Q: In each row check off the boxes that apply to the highlighted reactant. 2+ 2+ Zn²+ (aq) + 6…

A: Bronsted-Lowry acid-base theory :- The Bronsted-Lowry acid-base theory states that the acid is a…

Q: Consider A weak organic base, B. It hydrolyzes in water according to the equilibrium: B + H2O = BH+…

A: Given that: B + H2O <......> BH+ + OH- [B] = 0.18M pH = 10.00  As we know  pH = -log[H3O+]

Q: 1. Given the gaseous reaction between methane and water forming carbon monoxide and hydrogen: CHa(8)…

A: Le-Chatelier's Principle states when a dynamic equilibrium is disturbed by some change in pressure,…

Q: 3. Indicate whether each of the following solutions is acidic, basic or neutral. a) [H*] = 2.0x104…

A: Acidic , basic , neutral solution can be explained using pH value . If the value of pH is less than…

Q: 2. Given: 2H2S(g) + O2(g) 25(g) + 2H20(g) a) What happens to (H20] if O2 is added? b) [O2] if H2S is…

A: Le chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: Draw chiral molecules that meet the following descriptions:

A: Chiral molecule : A moleucle that contains at least one chiral carbon are called chiral molecule…

Q: What are advantages and limitations of different types of modelling? (modelling with experiments,…

A: In chemistry there are many ways to check the deviation of experimental data from the accurate…

Q: 1. Given the gaseous reaction between methane and water forming carbon monoxide and hydrogen: CHa(8)…

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

Q: II. Explain why enthalpy change cannot be used as a guide in predicting spontaneity of a reaction.…

A: Spontaneous process :- A process is said to be spontaneous if it takes place by itself without the…

Q: Erythronolide B is the biological precursor of erythromycin, a broad- spectrum antibiotic. How many…

A:

Q: ection of reaction given the following : H2(8) + CO2 (g ) H2O(g) + CO (g) 71,0.0100 mol of H2 and…

A: From the given data, [H2] = 0.010 M [CO2] = 0.02 M [H2O]  = 0 M [CO] = 0 M Reaction Quotient(Q) = =…

Q: What mass in grams of oxygen gas are produced when 2.43 x 10 g of KCIO, are completely reacted…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: 1. Predict whether the following processes are spontaneous, are spon in the reverse or are in…

A: Spontaneous process occurs by its own while Non-spontaneous process required external source to…