A session.masteringchemistry.com Bla... Bb Mastering Chemistry Course Home- Bla... lome MasteringChemistry: Ch. 03 (3.7) I Part B Calculate the kilocalories needed to melt a 825 g ice sculpture at 0 °C and to warm the liquid to 25.0 °C. Express your answer to two significant figures and include the appropriate units. µA Value Units Submit Request Answer Part C Calculate the kilojoules released when 75.0 g of steam condenses at 100 °C, the liquid cools to 0 °C, and then steam condenses, 2260 J is released.) Express your answer to three significant figures and include the appropriate units. HÀ Value Units Submit Request Answer

Q: 3) Consider the following reaction: 2 NOCI(g) 2 NO(g) + Cl₂(g) at T=450. K AH+75. kl/mol (3.1) A…

A: Answer:Le Chatalier's principle states that on changing any parameter of the system in equilibrium,…

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A: Given,  Mass of metal =15.963 g Mass of water = 60 g Intial temperature of water = 24.9 °c Intial…

Q: Data Mass of water: 100.4701g Initial mass of food: 8.7910h Initial temperature of water: 23 degree…

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Q: For each of the following reactions write the correct expression for KC. For Kp, either write the…

A: Equilibrium constant, Kc for a reaction is defined as the product of the molar concentrations of the…

Q: (Q11) Ammonia reacts with oxygen according to the following balanced chemical equation 4 NH3 (g) + 5…

A: Heat can be calculated by using unitary method.

Q: How many grams of water can be heated from 28.3°C to 41.8°C by the heat released from 83.5 g of lead…

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Q: Using the information in the table below, calculate the heat of released from the following reaction…

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Q: Acetic a nd ethanol react to form ethyl acetate and water, like this:…

A: Use definition of the equilibrium and concept of Le-chatelier principle.

Q: Acetic acid and ethanol react to form ethyl acetate and water, like this: HCH, CO,(aq)+C,H,…

A: (i). At equilibrium, rate of forward reaction is equal to rate of reverse reaction. Thus, option c…

Q: Review Constants I Periodic Tab Part A One cup of clam chowder contains 21 g of carbohydrete, 11 g…

A: Given that 1 cup of Clam Chowder has 21 g carbohydrate, 11 g fat, and 9 g protein.  Given the…

Q: A hot-water bottle contains 725 g of water at 73 °C. If the liquid water cools to body temperature…

A: Given: Mass of water=725 g Temperature change, ∆T=(37-73)°C=-36 °C Heat needed q =? kJ Specific…

Q: Enter your answer in the provided box. If an athlete expends 3740. kJ/h, how long does she have to…

A: 1 kCal = 4.184 kJ 1.00 lb (pound) fat is equivalent to 4.10 x 103 Calories And 1 nutritional calorie…

Q: Suppose you mix 100.0 g of water at 27.1 oC with 75.0 g of water at 76.1  oC. What will be the final…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kgsubstance…

Q: NBICATION NEXT TO YOUR FINAL ANSWER(S) SHOW ALL WORK! 4Fe (s) + 302 (g) 2FE203 (s) What is the…

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Q: 33.3 What is the enthalpy change when 8.20 moles ammonium chloride form in the following equation?…

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Q: What is the identity of a 100. g sample of metal that, upon absorbing 4680 J of heat, increases in…

A: specific heat capacity is defined as heat required to rise the one unit temperature of the body .

Q: The following thermochemical equation is for the reaction of hydrogen sulfide(g) with water(l) to…

A: The given reaction of hydrogen sulfide with water is, H2S(g)+ 2H2O(g) -----> 3H2(g) + SO2(g)  The…

Q: rrent Attempt Progress How many grams of water can be heated from 28.0°C to 38.6°C by the heat…

A: Given, Mass of copper = 85 .5 g  Specific heat of water = 4.18 J/g°C  Specific heat of copper = 0.38…

Q: Methanol (CH3OH) is also known as wood alcohol and can be used as a fuel. When one mole of methanol…

A: Molar mass of methanol= 32.04 g/mol 1453 kJ of heat is evolved by = 32.04 g of methanol 269 kJ of…

Q: The molar heat of vaporization of some unknown compound X at its normal boiling point 6.7 K is 4.4…

A: Given molar heat of vaporization (△Hvap)=4.4 kcal/mol =4400 cal mol-1 Temperature =6.7 K, Pressure…

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: 5) Use the equations given to calculate the enthalpy change for the equation given below. N2H4 (g) +…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: 10. 10 Consider the following combustion reactions: 2 C2H6(g) +7 O2(g) →4 CO2(g) + 6 H₂O(/)…

A: Step 1: Step 2: Step 3: Step 4:

Q: Consider a glass of 232 mL of water at 27°C. Calculate the mass of ice at -15°C that must be added…

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Q: When 25.0 g hydrogen gas react according to the following reaction, how many kJ of heat are released…

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Q: Calculate the concentrations of Ca and V2O5 as molar concentrations and p-functions.

A: We have given,  Moles of V2O5 = 10.0 Moles of Ca= 10.0 Volume of solution= 1 L

Q: Calculate the amount of heat required in kJ to raise the temperature of 250.0g of hot chocolate from…

A: Given that: Mass of hot chocolate (m) = 250.0 g Initial temperature = 25°C Final temperature = 80°C…

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Q: 5.4.3 A reaction, carried out in a bomb calorimeter withCcal = 5.01 kJ/°C, gives off 318 kJ of heat.…

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Q: A 12 gram piece of an unknown metal absorbs 275 calories of energy from a heat source, increasing…

A: The heat absorbs by the element depends on the specific heat(c) of element and the temperature…

Q: Part A How much heat is required to vaporize 42.8 g of water at 100 °C? (AHvap (H2O) = 40.7 kJ/ %3|…

A: The question is based on the concept of chemical thermodynamics. we have to calculate how much heat…

Q: QUESTION 30 YOU MUST SUBMIT WORK FOR THIS PROBLEM INTO A SEPARATE ASSIGNMENT. Consider the following…

A: The question is based on the concept of chemical thermodynamics. We have to calculate amount of heat…

Q: 2. Consider the following reaction: Δ NHẠCI (s) HC (g) + NH3 (g) Where the delta sign means heat.…

A: The given reaction is:              NH4Cls →△ HClg + NH3g This is a decomposition reaction where the…

Q: For the reaction 2 H2S(g) <==> 2 H2(g) + S2(g) the value of Kc = 1.6e-2 Calculate the value of…

A: Kc  of the reaction is calculated as follows,

Q: Suppose you mix 100.0 g of water at 25.0 °C with 75.0 g of water at 71.1 °C. What will be the final…

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Q: lead ball is added to 158 grams of water in a coffee cup calorimeter.  If the ball loses 47.35 °C of…

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Q: 1. 1. Zinc metal reacts with HCl according to the following equation: Znw + HClag) → ZnClz{aq) +…

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Q: What is the change in enthalpy when 0.350 moles of B₂H6 react with excess O₂ according to the…

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Q: How many grams of water can be heated from 28.3°C to 41.8°C by the heat released from 83.5 g of lead…

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Q: (Q4) A heated lead ball is added to 151 grams of water in a coffee cup calorimeter. If the ball…

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A: Given the enthalpy of combustion of benzoic acid, ∆Hc B.A = - 26438 J/g  Given the enthalpy of…