Use the exothermic and endothermic interactive to determine the final temperature of each solution described in the table. Add 5 g5 g of potassium hydroxide to 100 mL100 mL of water at an initial temperature of 20 °C20 °C . Add 5 g5 g of potassium hydroxide to 200 mL200 mL of water at an initial temperature of 20 °C20 °C . Add 10 g10 g of potassium hydroxide to 100 mL100 mL of water at an initial temperature of 20 °C20 °C .

Q: A student performed this experiment by mixing 50.0 mL of 2.0 M NaOH solution with 50.0 mL of 2.0  M…

A: Given: Concentration of NaOH reacting = 2.0 M Volume of NaOH solution = 50.0 mL = 0.050 L…

Q: Concentration (grams/kg H₂O) Graph 2: Solubility Curve for Sodium Nitrate (NaNO3) 2000 1800 1600…

A: This question is based on solubility of sodium nitrate at different temperature.

Q: The binary compound MX2 has a solubility of 0.014 g/L and a molar mass, ℳ = 114.68 g/mol. Calculate…

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Q: 4. When 1.50 g of Ba(s) is added to 100.00 g of water in a container open to the atmosphere, the…

A: NOTE : Since you've posted multiple questions, we'll solve first question for you. If you want any…

Q: Perform the conversions between energy units. J 558 kJ = kJ 2565 kcal = kcal 8.63 x 106 J =

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Q: In fertilizer, 15.0 g of urea (NH2 CONH2) is dissolved in 250 mL of water. A temperature change from…

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Q: A calorimeter is pictured below. When substances are dissolved in water, they can absorb or release…

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Q: In part 1 of this lab, you will be calculating ArH by conducting constant-pressure calorimetry…

A: Constant-pressure calorimetry is used to measure the change in enthalpy, ΔH, for a physical or…

Q: Consider these reactions: Reaction 1: H2(g)+Cl2(g)⟶2HCl(g)ΔH=−184.6 kJ  Reaction 2:…

A: Given :  Reaction 1  H2(g)+Cl2(g)⟶2HCl(g)    ΔH=−184.6 kJ  To calculate :-  Amount of Cl2 has…

Q: Select true or false for each of the following.   Energy can be changed in form.    ΔT in units of…

A: The answers for the questions are provided below. Here the concepts are used from thermodynamics.…

Q: The solubility of AgCl(s) in water at 25 °C is 1.33 x 10-5 mol/L and its AH of solution is 65.7…

A: AgCl is a sparingly soluble salt. Thus, it is not completely soluble in water but with increase in…

Q: In part 1 of this lab, you will be calculating A,H by conducting constant-pressure calorimetry…

A: Constant-pressure calorimetry is used to measure the change in enthalpy, ΔH, for a physical or…

Q: Perform the conversions between energy units. 663 kJ=663 kJ=   JJ 2655 kcal=2655 kcal=   kJkJ…

A: Unit conversion of the energy:        1 kJ = 1000 J 1kcal = 4.184 kJ

Q: 6. A neutralization reaction occurs when 120.00 mL of 0.500 mol/L L¡OH and 160.00mL of 0.375 mol/L…

A: #6: Since the 53.1 kJ heat energy is on the product side, heat is released during the reaction and…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: Given-> 1 calorie = 4.184 J 1 kcal =1000 cal

Q: A student performs a calorimetry experiment. The student combines 100. g of 0.40 M HC1(aq) with 100.…

A: Heat absorbed by the particular species = mass × heat capacity × temperature change

Q: L. Using Table 1, calculate AH; for each of the following reactions. Tell if each is exothermic or…

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Q: At a certain temperature, the following reactions have the constant shown:   N2 (g)  + 2O2(g) --->…

A: For the given reactions the Kc can be calculated as: (a) 2NO2(g)→N2(g)+2O2(g) As per the given…

Q: Two aqueous solutions, Solution A and Solution B, are mixed together in a beaker, and the following…

A: When two or more substances combine to form new substances,a chemical reaction is said to occur.…

Q: 1. Complete the following: Name of product: pastry crisps fat grams _x 9 kcal/g kcal %3D Mass in one…

A: Total grams multiplied by energy in Kcal/g will help in calculation of total calories.

Q: Calculate the heat of reaction (in J).     qrxn = ×10 J Enter your answer in scientific notation.

A: The reaction taking place is, HA + NaOH →NaA + H2O

Q: 1. Note the solid lines on the graph, these are for solid solutes in 100 grams (or 100mL since the…

A: The question is based on the concept of solubility.  solubility follows a basic principle "like…

Q: 2. To the solution at 100°C described in Problem 1d, an additional 15 g of water are added. The…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: An intern working in a research lab knocks over a beaker containing an important solution. The…

A: Given data,Initial molarity=1.17MInitial volume=1.50LVolume left after spilling=0.20LFinal…

Q: energy (J) A B I

A: EndothermicExplanation:

Q: An intern working in a research lab knocks over a beaker containing an important solution. The…

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Q: A serving of fish contains 47.0 g of protein value of 4.00 kcal/g and fat has 9.10 kcal/ Report…

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Q: Calculate AH for the reaction NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H,O (g), from the following data. N2…

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Q: Calculate the solubility of BaSO4 in water at 25 °C Round your answer to 2 significant digits.

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Q: Write a balanced chemical equation for the standard formation reaction of gaseous water (H₂O). 0 ローロ…

A: Answer:- This question is answered by using the simple concept of formation of a compound which…

Q: When 3.02 g of NH4Cl  is dissolved in enough water to make 20.05 mL of solution, the temperature…

A: To find enthalpy change, first find q of reaction by using formula of q. Then divide the calculated…

Q: Grams of solute per 100 g H₂0 130 140 130 120 110 100 90 80 70 60 50 40 30 20 10 50 g 48 g NH₂X 60 g…

A: Answer: Amount of a substance that can be dissolved in 100g of water at a particular temperature is…

Q: L. Using Table 1, calculate AH for each of the following reactions. Tell if each is exothermic or…

A: Calculate enthalpy of the given reactions----

Q: In a calorimeter, 150 mL of 0.5 mol/L barium chloride is mixed with 150 mL of 0.5 mol/L sodium…

A: Answer:When solutions of two different substances are mixed and formation of precipitate takes place…

Q: 300mL of a 2.500 M solution X was mixed with 300.0 mL of a 2.500 M solution Y in a calorimeter. Both…

A: Given that,  Volume of 0.2500 M X solution  = 300 mL Volume of 0.2500 M Y solution = 300 mL Total…

Q: n impure sample contains 0.78 g of impurities and 4.95 g of benzoic acid.  The sample is dissolved…

A: Grams of the impurity that will crystallize out when the solution has cooled = 0.17 g

Q: A cold pack contains 134.4 g of water and 40.7 g of ammonium nitrate. What will be the final…

A: The formula which is used in the solution is shown below. Q = mcΔT ⇒ ΔT = Q/mc

Q: Consider these reactions: Reaction 1: H₂(g) + Cl₂ (g) → 2HCl(g) Reaction 2: 20F2 (g) → O2(g) + 2 F2…

A: Recall the Reaction 1,                                    H2 g + Cl2 g → 2 HCl g…

Q: An intern working in a research lab knocks over a beaker containing an important solution. The…

A: The following information given in the question - Initial volume of the solution = 1.50 L Volume…

Q: Consider these reactions: Reaction 1: H2(g)+Cl2(g)⟶2HCl(g)ΔH=−184.6 kJ  Reaction 2:…

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Q: When CO(g) reacts with H₂O(1) to form CO₂(g) and H₂(g), 0.669 kcal of energy are absorbed for each…

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Q: if 1 cal rises the temp of 1ml of water by 1 degree celcius, how many calories are needed to raise…

A: Amount of heat,Q required to change the temperature of a substance of mass ,m and specific heat…