Recall that the formula for ΔHrxn = [(-Ccal)(moles of limiting reactant)/(ΔT)] If the actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value, will the value of Ccal increase, decrease, or remain the same? Please explain.  How about if the actual concentration of the sodium hydroxide used in the calibration part of the experiment was lower than the stated value. However, the NaOH solution used in the determination of ΔHrxn was of the correct concentration.  Will the magnitue of ΔHrxn increase, decrease, or remain the same? Please explain.

Q: For each reaction, find the value of ASº. Report the value with the appropriate sign. (a) 3 NO2(g) +…

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Q: A chemist measures the enthalpy change AH during the following reaction: H₂O(1)→ H₂O(g) ΔΗ = 44. kJ…

A: The objective of the question is to calculate the enthalpy change for different reactions using the…

Q: The addition of  1.250 g of zinc metal (65.38 g/mol) to 0.100 L of  0.1912  M HCl in a coffee-cup…

A: Mass of zinc = 1.250gMolarity of HCl= 0.1912MVolume of HCl = 0.1LTemperature difference =…

Q: Given the reactions, X(s) + O₂(g) → XO(s) - XCO3(s)→ XO(s) + CO₂(g) what is AH for this reaction? AH…

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Q: Given the reactions, X(s)+1/2 O2(g)⟶XO(s)   Δ?=−613.7 kJ XCO3(s)⟶XO(s)+CO2(g) Δ?=+148.1 kJ what is…

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Q: For the next three questions, use the data given in the table to calculate the indicated…

A: To calculate the values , we would use given data values .

Q: 17. A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M Ca(OH)2 in a large…

A: A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M CaOH2 solution .The…

Q: What is AH xn for the following reaction? NO2(g) + CO(g) → CO2(g) + NO(g) AH(kJ/mol) Substance NO(g)…

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Q: If you find that [CoC142-(aq)] = 0.783 M, [Co(H2O)62+(aq)] = 0.569 M, and [Cl-(aq)] = 0.495 M at 6…

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Q: Chemical Equation: Fe + H2O → Fez04 + H2 3. Compute for the AG of the equation: kJ/mol (Write your…

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Q: Using the table provided, what is the enthalpy for the reaction shown below: N₂(g) + 4H₂(g) + I2(g)…

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Q: Given the reactions, X(s)+12O2(g)⟶XO(s)   Δ?=−676.5 kJ XCO3(s)⟶XO(s)+CO2(g)Δ?=+324.9 kJ what is Δ?…

A: Assuming the question is to find ΔH from the given reactions with there ΔH values as it is written…

Q: • Part A Determine A,G° for the following reaction: 2 NO(9) + O:(9) → N30«(9) Use the following…

A: A) The reaction taking place is given as, => 2 NO (g) + O2 (g) ------> N2O4 (g) And the…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 H₂O(1) + 0₂(g) →2 H₂O₂(1)…

A: The objective of the question is to calculate the enthalpy change ΔH for the given reactions using…

Q: (a) Calculate the value of Kc for the reaction: PCl5 (g)                PCl3 (g)   +    Cl2 (g)…

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Q: Hess’ Law: ΔH’s of Reaction Steps Add Up to ΔH(tot) [tot] Mg(s) + 1⁄2O2(g) → MgO(s)…

A: Given : Reactions with ∆H values To Find: ∆H values of required reaction Solution: Enthalpy of the…

Q: A calorimeter contains 25.0 mLmL of water at 12.5 ∘C∘C . When 1.70 gg of XX (a substance with a…

A:

Q: A chemist measures the enthalpy change AH during the following reaction: CS2(g) + 3 Cl2(g)→CC14(1) +…

A: The first reaction is simply the original reaction multiplied by 3. Therefore, the enthalpy change…

Q: Given the following data: 2H₂(g) + C(s) → CH4 (9) 2H₂(g) + O2(g) → 2H₂O(l) C(s) + O₂(g) → CO₂ (g)…

A: The given data 2 H2(g) +C(s) → CH4 (g);                     ∆G0 = -51 KJ 2 H2(g) + O2 (g) →  2 H2O…

Q: The addition of  1.250 g of zinc metal (65.38 g/mol) to 0.100 L of  0.1912  M HCl in a coffee-cup…

A: The mass of solution is first determined using density and volume values as follows,

Q: If you find that [CoCl42 (aq)] = 1.647 M, [Co(H₂O)2+(aq)] = 0.989 M, and [Cl-(aq)] = 0.735 M at 9 C,…

A: According to the question we have the concentration for,            CoCl42- = 1.647 MCoH2O62+ =…

Q: Calculate the enthalpy for this reaction 6C(s, gr) + 3H2(g) →CgHg(2) given the following…

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Q: The reaction of gaseous H2H2 and liquid Br2Br2 to give gaseous HBrHBr has ΔHΔH = -17.4…

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Q: Determine the enthalpy for the reaction 2A + 2B --> D Given: A + B --> 2C where AH = 83.2 KJ and D…

A: Enthalpy of the reaction can be calculated as:

Q: A chemist measures the enthalpy change AH during the following reaction: C6H12O6(s)-2 CO2(g) + 2…

A: The enthalpy change, ΔH, of a reaction is the amount of heat absorbed or released during the…

Q: 4 (a) Calculate the value of Kc for the reaction: PCl5 (g)                PCl3 (g)   +    Cl2 (g)…

A: We have find out the answer.

Q: A chemist measures the enthalpy change AH during the following reaction: CS2(g) + 3 Cl2(g)→CC14(1) +…

A: The enthalpy change (ΔH) of a reaction is the amount of heat absorbed or released by the reaction.…

Q: a) Determine which of the two reactants (MgCO34) or HCla) is the limiting reagent. b) Determine how…

A: Reaction                      MgCO3 (s) + 2HCl(aq) ------> MgCl2 (aq) + H2O (l) + CO2 (g); ∆Hrxn0…

Q: Given the reactions, X(s) + O₂(g) →→→ XO(s) XCO3(s) → XO(s) + CO₂(g) what is AH for this reaction?…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: A student measured the molar heat of neutralization of a monoprotic acid with NaOH and the following…

A: we have to calculate ∆Hrxn per mole of acid for the given neutralization

Q: Hi! I need this question really quickly! Thank you!

A: Mass of magnesium chloride = 1.3443 g Volume of HCl = 54.90 mL Concentration of HCl = 0.656 M

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.