2. A reaction in the cell has a STANDARD Gibbs Free Energy of -200 kcal/mol. Does this reaction need an enzyme to make sure it happens?

Q: A neutral solution of water at a particular temperature has a concentration of OH⁻ of 9.7 × 10⁻⁷ M.…

A: Given⇒       OH-=9.7×10-7M            KW=?

Q: 6 Discuss how catalysts can make processes more energyefficient?

A: Given: Catalysts can make processes more energyefficient.

Q: At 125 °C, 1 mol O₂ and 2 mol H₂ in a chamber have a total pressure of 3 atm. A current is run…

A: Given ,temperature, T = 125 °C  = 125 + 273 K = 398 K            total pressure, P = 3 atm…

Q: Fe3+(aq) + SCN–(aq) FeSCN2+(aq) Is the reaction exothermic or endothermic as written? Explain.

A: If energy released in a reaction then reaction classified as exothermic reaction. And if energy…

Q: Calculate for the molarity if 2.46 L of solution contains 0.455 mol of solute. (2 SF)

A: Molarity can be calculated as following:

Q: Which of the following types of reactions is always thermodynamically favorable? a) one that is…

A: Thermodynamically favourable reactions are the one which shows change in energy from high to low or…

Q: For the following "possible" reaction, which are the states of the products in order from left to…

A:

Q: A neutral solution of water at a particular temperature has a concentration of OH⁻ of 2.9 × 10⁻⁷ M.…

A: For the neutral solution of water, [OH-] = 2.9 × 10⁻⁷ M Kw = ?

Q: Name one chemical for which the general rule that a higher concentration is more effective is not…

A:

Q: Which change to this reaction system would increase the concentration of hydrogen? N2(g) + 3H2(g)…

A: Observing the given balanced chemical equation shows that heat is produced by the reaction. The…

Q: Define free energy. What are exergonic and endergonic reactions?

A: Energy gives the capacity of the body to perform work. There are various types of energies involved…

Q: A reaction has a delta G of 1.88 kcal/mol (7.87 KJ/mol). What is the equilibrium constant (K)?

A:

Q: When a current is passed through a solution of salt water, sodium chloride decomposes according to…

A:

Q: SnO2(g) + 2C(s) = Sn(s) + 2CO2(g) AH =+ 360.0 KJ Pressure is decreased N2(g) + 3 H2(g) 22 NH3(g) 4H…

A: a) system change  result  explanation SnO2(g)+2C(s)⇋Sn(s)+2CO2(g) ∆H=+360Kj Pressure is…

Q: Describe Le Chatelier's principle and describe how it would slow down a endothermic reaction in a…

A: Le Chatelier's principle is used to predict the effect of change on the chemical equilibria of a…

Q: For the following "possible" reaction, which are the states of the products in order from left to…

A: The given chemical reaction  is a double displacement type reaction.

Q: At room temperature and 1 atm carbon dioxide (CO2) is a

A: Phase diagram of CO2 Phase diagram consist of various regions that represent the different phases…

Q: In the following reaction calculate and find the normality when it is 1.0 M H3PO4? H3PO4 + 2NaOH →…

A: Given: Molarity of H3PO4 = 1.0 M

Q: The equation for the dissolving of magnesium hydroxide is: Mg(O H)2(s) + heat Mg2+ (a q) + 20 H…

A: Each ionic compounds dissociates in their constituent ions when dissolved into a solvent. Hence…

Q: 1. How does aggregate work on concrete? Please discuss the process in point of view of Chemistry.

A: The answer is given below:

Q: How

A: Dear student I have given answer to your question in the image format.

Q: The solubility of silver sulfate in water at 100oC is approximately 1.4 g per 100 mL. What is the…

A: Solubility product is defined as the equilibrium constant value of which depends upon temperature.…

Q: find the pH.

A: This is question with multiple subparts. So, according to bartleby guidelines I need to solve only…

Q: When the hydrate of CUSO,SH,0(s) was heated, did the reaction proceed in the direction of the…

A: Upon heating, the hydrated copper sulphate loses its water molecule and forms white coloured…

Q: A generic salt, AB,, has a molar mass of 295 g/mol and a solubility of 1.00 g/L at 25 °C. AB,(s)= A…

A: To calculate the solubility product of both the given reactions.

Q: For the reaction: Na2CO3(s) + CO2(g) + H2O (g) ↔ 2NaHCO3(s). The formula for computing Kc is?

A: Sodium carbonate reacts with carbon dioxide and water to form sodium hydrogen carbonate. The…

Q: Complete the equation for  reaction

A: The given compound contains a -COOH group and a ether -OCH3 group. On the reaction of -COOH group…

Q: What do we call the ions that do not form a new product but are in the solution as aqueous ions…

A: They are called as Spectator ions because they do not participate directly in the reaction . They…

Q: To which direction will the reaction shift

A: As we know that according to Le Chatelier’s principle, if an equilibrium is disturbed by changing…

Q: Explain the Le Châtelier's Principle ?

A: Le Chatelier’s principle states that if a given chemical system is present in equilibrium  and a…

Q: 2. Differentiate exergonic and endergonic reactions from exothermic and endothermic reactions.

A: Thermodynamics is branch of chemistry in which we deal with heat absorbed and heat released during…

Q: Use the data to the right for the next few questions: FeSCN+2 (Red) —> Fe+3 (Yellow) + SCN-1…

A: The major application of Le Chatelier principle is towards predicting the effect of change in…

Q: he standard reaction free energy of

A:

Q: If I add the following will the system shifts forward, backward or remains the same? Ag2CrO4 (s) ⇌ 2…

A:

Q: Reaction: X →Y Reaction Coordinate Potential Energy (kJ/mol)

A: Heat of reaction is the difference in energy between the reactant and product.

Q: What is the purpose of a buffer in an aqueous solution? O To maintain the solubility of the solute.…

A: We need to tell the purpose of buffer in an aqueous solution.

Q: AB -->  A + B is called a decomposition reaction.  True  False

A: Given above statement is true or false ?

Q: A neutral solution of water at a particular temperature has a concentration of OH⁻ of 8.0 × 10⁻⁷ M.…

A:

Q: Consider the reaction: NO,(g) + CO(g) → NO(g) + CO,(g) How many electrons are transferred in this…

A: Oxidation: increase the oxidation state. It loses electrons. Reduction: Decrease the oxidation…

Q: What is the amount concentration in mol/L of sodium ions and carbonate ions when 0.144 mol/L…

A: If sodium carbonate dissociates completely, 2 sodium and 1 carbonate ions are formed in solution.…

Q: A generic salt, AB,, has a molar mass of 209 g/mol and a solubility of 4.40 g/L at 25 °C. What is…

A:

Q: Given the following exothermic reaction : Fe3+(aq)+SCN-(aq) FeSCN2+(a1), what will cause the…

A:

Q: fa balanced chemical reaction?

A:

Q: What type of reaction is involved in the following: AgSCN  +  FeCl3

A: Given, AgSCN + FeCI3 Where, AgSCN = silver thiocyanate FeCI3 = ferric chloride

Q: 3- Negative enthalpy means Oa- The reaction absorbs heat. b- The reaction doesn't absorb or evolve…

A: Given, Negative enthalpy means  a) The reaction absorbs heat. b)The reaction doesn't absorb or…

Q: Identify a substance which can reduce Sn** (aq) to Sn²* (aq) but cannot reduce Sn+ (aq) to Sn(s).…

A: We would use standard reduction potential values of all species .  The species which is stronger…