4.2 Calculate the activity coefficient and activity of each ion in a solution containing 75 mg/L Nat, 25 mg/L Ca²+, 10 mg/L Mg2+, 125 mg/L Cl, 50 mg/L HCO3, and 48 mg/L SO.

Q: How many moles of C4H₁0 (isobu according to the following balance transfer -187.5 KJ 2 C4H₁0(g) + 13…

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Q: (4) A 32 g of O2(g) is mixed with 12 g He(g), and 3 mole of CO(g) in closed container. If the total…

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Q: A cedarcrest.instructure.com Homework Set #2 Join conversation 16. Calculate the heat capacity of a…

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Q: 5) What is the pH of a 0.250 M HF solution? The Ka of HF is 3.5 X 104. (2.03) HF (aq) + H2O (1) A…

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Q: kJ/mol AHdissolution=

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Q: A session.masteringchemistry.com Bla... Bb Mastering Chemistry Course Home- Bla... lome…

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Q: The number of moles of H2O produced in reaction of 50 mL 1.0 M HCl and 50 mL 1.0 M NaOH:…

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

Q: 5.5.1 Given the following information: AH = -483.6 kJ/mol AH = +284.6 kJ/mol 2H2(g) + O2(g) 2H,O(g)…

A: The expression that will be used in the determination of the change in enthalpy for the net reaction…

Q: (6) The pressure of the gas (mmHg) given by the following manometer is: (A) 793.0 (B) 751.2 (C)…

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Q: 5.1.4 The label on packaged food indicates that it contains 215 Calper serving. Convert this amount…

A: Given data: The energy of packaged food = 215 Cal. To convert: Energy from Cal to joules (J).

Q: In a large building, oil is used in a steam boiler heating system.The combustion of 1.0 lb of oil…

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Q: 1.1. For the reaction below, what would cause an increase in NaOH? Maybe more than one correct…

A: Given equilibrium reaction:  Mg(OH)2(aq) + 2 Na(s) <=> 2 NaOH(aq) + Mg(s) ∆H = - 14 KJ/mol

Q: How many kJ are released when 2.00 mol of NaOH is formed in the reaction? 2Na2O2 (s) + 2H2O (1) -->…

A: We have given that  Mole of NaOH formed = 2mole  2Na2O2(s) + 2H2O(l) →  4NaOH(s) + O2(g) ∆H =…

Q: Calculate the mass, in grams, for each of the following using Table 3.7: (3.5)a. a sample of silver…

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Q: oil in kcal/g? (3.5, 3.6) 8 A 45-g piece of ice at 0.0 °C is added to a sample of water at 8.0 °C.…

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Q: Q3 175 g of water was heated from 15 °C to 88 °C. How many kilojoules were absorbed by the water? Q4…

A: Given data,For Q3Mass of water=175g∆T=88-15=73oCFor Q4Mass of ice=25gFor Q5Mass of ice=15gFinal…

Q: 5.1.3 Calculate the number of calories in 723.01 J.a) 172.80 cal d) 3025 calb) 172.8 cal e) 0.173…

A: The number of calories in 723.01 J has to be calculated.

Q: Consider this reaction:: NH,OH (aq) → NH, (aq) +H,O(aq) At a certain temperature it obeys this rate…

A: for the given reaction the rate law is given as    The reaction is a second order reaction and we…

Q: Barium Hydroxide has a solubility of 4.68 g Ba(OH)2 in 100. g H2O at 25°C. Determine if each of the…

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Q: In the following equation for a chemical reaction, the notation (s), (I), or (g) indicates whether…

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Q: Question 18 of 31 How many atoms of mercury are required to produce 3.49 L of H2 gas (density =…

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Q: ᴡʜɪᴄʜ ᴏꜰ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴀʀᴇ ᴄᴏʀʀᴇᴄᴛ ʀᴇꜱᴏɴᴀɴᴄᴇ ꜱᴛʀᴜᴄᴛᴜʀᴇꜱ ᴏꜰ ꜱᴏ₃? * (₁) ᴀɴᴅ (₅) (₁), (₂), (₄) (₂)…

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Q: A student obtained the following data for the decomposition of ammonia on a platinum surface at 856…

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Q: 1. Reaction is endothermic 2. Reaction has an activation barrier of 100 kJ. The net enthalpy change…

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Q: g 4. Explain the terms "latent heat of fusion" and "latent heat U of vaporization."

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Q: 1. (9 points) A 15.0 gram piece of metal is heated to 65.0°C and then dropped into 175 grams of…

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Q: can someine show me how to do this using:  48.5 g of cold water starting at 14 C and 48.1g of hot…

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Q: 3.68 Calculate the energy to heat two cubes (silver and copper), from 15 °C to 25 °C. Refer t each…

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Q: Knowing that carbon makes up 15% of the black powder, calculate the total volume of gases (under…

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Q: 6. Calculate AH for the reaction 4NH3 (g) + 502 → 4NO (g) + 6H,0 from the following (g) (g), data.…

A: here we are required to find the enthalpy of the reaction  oxidation of ammonia using Hess's Law.

Q: Water can undergo a decomposition reaction, as shown in the following balanced equation. 2H2O(g) →…

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Q: action of hydrogen with oxygen produces water. 2H2(9) + O2 (9) → 2H2O(9) Part B How many moles of H2…

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