Which of the salts below would cause the temperature to increase the most, when 5.00 grams of the salt are added to 50.0 ml of water. Explain your answer. Magnesium Chloride: MgCl2 ΔHsolution = –160.0 kJ/mol Magnesium Bromide: MgBr2 ΔHsolution = –185.6 kJ/mol

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A: Endothermic processes are those processes in which there is gain of energy in the process. Hence any…

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A: Le Chatelier's Principle: This principle states that when any system at equilibrium for a long…

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A: Endothermic reactions are one , which proceeds with absorption of heat. That  is reactants absorbs…

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Q: Determine the value of Kc for the following reaction at 100C:  2NO(g)+Br2 (g)  ⇌2 NOBr(g)

A: Kc is the equilibrium constant. it is calculated by using the formula given below,

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A: Mass of solution = density of solution X volume of solution                                = 1.02…

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: Now suppose 1 g stearic acid is added to 5 g of lauric acid. Predict the temperature at which this…

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A:

Q: 50.0 g of water at 22 °C is mixed with 125 g of water initially at 36 °C. What is the final…

A: Heat lost by hot water is just equal to heat gained by cold water.

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A:

Q: Consider the following reaction. 2 HF (g) + 542 kJ  H 2 (g) + F 2 (g) List two ways to push the…

A: Given equilibrium c2 HF (g) + 542 kJ ⇌ H 2 (g) + F 2

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Q: What is it called when the final temperature of your Solid (Tin) and the water are equal?

A:

Q: Which of the following represents an exothermic chemical reaction? O CO2 (g) breaking into C (s,…

A: Exothermic reaction are those in which heat is released. For exothermic reaction ∆H is negative.

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A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

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Q: using the molar heat of neutralization of solution = -53760 kj/ mol HCI calculate how much heat you…

A: Provided volume of HCl=50ml Or, provided volume of HCl= 0.05litre Provided Molarity of HCl=0.250M…

Q: Predict the sign and magnitude of AH ° for the following reactions. Give your answer in units of…

A: The bond enthalpies are, C-H = 413 kJ/mol Cl-Cl = 243 kJ/mol C-Cl = 346 kJ/mol H-Cl = 432 kJ/mol

Q: Write balanced equations for the following redox reactions:  NaBr + Cl2 ->  NaCl + Br2

A: To solve this problem we have to balanced the given equation .

Q: A neutral solution of water at a particular temperature has a concentration of OH⁻ of 7.9 × 10⁻⁷ M.…

A: Given Concentration of [OH-] = 7.9 × 10-7 M

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A: Given is, What is the value of Q when a solution contains the maximum amount of solute that can be…

Q: ΔH for the formation

A:

Q: The thermite reaction, used for welding iron, is the reaction of FegO4 with Al. 8 Al (s) + 3 Fe3O4…

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A: A conservative force is a force that deals with total work done in moving a particle between two…

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A: True or False !

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A: Given data : Solubility is the extent to which a mineral will dissolve in water,

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Q: The value of Kj and K for sulfurous acid are 1.70×10² and 6.40x108, respectively. (Use H30* instead…

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Q: Topic: The Second and the Third Laws of Thermodynamics (1) Solutions Thermodynamics

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Q: The value of ΔH° for the following reaction is +483.5 kJ/mol: 2 H2O (g) → 2 H2 (g) + O2 (g) What…

A: given, 2 H2O (g) → 2 H2 (g) + O2 (g)  ΔH° =  +483.5 kJ/mol if  reaction is reversed the sign of the…

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Q: Distinguish between water quality and hydrochemistry.

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

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Q: Fen + Hgi) +2 +2 + Hg) ag)

A: Given reaction is : Fe (s) + Hg+2 (aq) ----------> Fe+2 (aq) + Hg (l)  Change in standard free…

Q: acid

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: Which of the following represents an endothermic reaction? H2(g) + F2(g) –→ 2 HF(g) AH= -542 kJ C(s)…

A: The question is based on the concept of chemical thermodynamics. we have to identify the endothermic…

Q: If the solution mixture becomes colder, which of the following statements is true? O The reaction is…

A: If the solution mixture become colder, which of the following statements is true.  Options are :

Q: Neutralization reaction 1. Temperature of HCI solution 21.5 °C 2. Temperature of NaOH solution 21.5…

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Q: the enthalpy (in kJ) for this reaction: 2C(s) + H2(g) → C2H2(9)

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Q: Place the following substances in order of increasing voltality: CH4, CBr4,CH2Cl2,CH3Cl, CHBr3,…

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Q: For the reaction: 2 C020) + 4 H20w + 347 kcal O 2(g) -> 2 CH30H) +3 0, Calculate the amount of heat…

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