A cup contains 195 g195 g of coffee at 99.3 °C99.3 °C. Suppose 63.4 g63.4 g of ice is added to the coffee. What is the temperature of the coffee after all of the ice melts? The enthalpy of fusion of water can be found in this table. Assume the specific heat capacity of the coffee is the same as water. ?final=Tfinal=

Q: When a 2.66-g sample of solid ammonium chloride dissolves in 37.8 g of water in a coffee-cup…

A: The heat of a reaction or change in enthalpy of a reaction is associated with the amount of heat…

Q: Consider the compound NH4Cl, ammonium chloride, having a molar mass of 53.491 g/mol. Nicole weighs…

A: Specific heat- It is the amount of heat required to raise the temperature of 1g of substance by 10…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: A 48.4-g sample of an unknown metal at 100.0 °C is placed in a constant-pressure calorimeter…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Mass of copper, MCu = 60.04 g Mass of water, Mw = 79.22 g Initial temperature of Copper, TCu = 97.70…

Q: A 124.5 g sample of an unknown metal absorbs 1276.25 J of heat, upon which the temperature of the…

A: Given: The mass of the metal sample = 124.5 g The amount of heat absorbed by the metal = 1276.25 J…

Q: When a 2.66-g sample of solid ammonium chloride dissolves in 37.8 g of water in a coffee-cup…

A: Given Mass of ammonium chloride = 2.66 g Mass of water = 37.8 g Initial temperature =21 oC Final…

Q: When a solid dissolves in water, hest may be evolved or absorbed. The heat of dissolution…

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: A metal radiator is made from 26kg of iron. The specific heat of iron is 0.449 J/g °C. How much heat…

A: Specific heat capacity: The amount of energy required to raise the temperature of 1 Kg of the…

Q: When 18.0 mL of water at 11.0 C is combined with 20.0 mL of water at 55.0 C, what is the final…

A: Given : Volume of cold water = 18.0 mL Initial temperature of cold water = 11.0 oC Volume of hot…

Q: You wish to heat water to make coffee. How much heat (in joules) must be used to raise the…

A: We have to apply formula Q=mc∆T Here Q is the heat needed to raise temperature c is specific heat m…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: The amount of heat lost or gained by a substance depends in the specific heat capacity of the…

Q: The propane fuel (C3H8) used in gas barbeques burns accordingto a thermochemical equation:C3H8(g) +…

A: The reaction is carried out in more than one step then the sum of all the steps gives the overall…

Q: Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient in…

A: Solution :      The heat of reaction is defined as the amount of heat absorbed or released during a…

Q: Consider the following thermochemical equation for the combustion of acetone, C3H6O, the main…

A: The combustion reaction given is  C3H6O (l) + 4 O2 (g) → 3 CO2 (g) + 3 H2O (g)…

Q: Your favorite snack undoubtedly has a nutrition label that indicates the total number of calories…

A:

Q: A 240.0-g sample of water at 25.0°C is mixed with 120.9 g of a certain metal at 100.0°C. After…

A:

Q: If 0.050 mol hydrochloric acid (HCl) is mixed with 0.050 mol of sodium hydroxide (NaOH) in a "coffee…

A: Given : Mass of solution = 183 g  Initial temperature of solution = 25.2 °C Final temperature of…

Q: A piece of unknown metal with a mass of 22.03 g is heated in boiling water to 90.34°C and then…

A: Given;

Q: We submerge a 25.0 g block of an unknown metal, initially at 97.8 °C, into 25.0 g of water initially…

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Q: A coffee cup calorimeter contains 156.02 g of water at 22.50 °C. A 65.468 g piece of iron is heated…

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Q: A piece of unknown metal with a mass of 18.01 g is heated in boiling water to 98.9°C and then…

A:

Q: 1. In an experiment to determine the Specific Heat of Nickel, a 66.0 g sample of Nickel metal is…

A: Answer :-  The specific heat of Nickel determined by the experiment = 0.544 J/g.°C…

Q: Is the dissolving of ammonium chloride an endothermic or exothermic process?

A: From the above data we are supposed to find whether it is a endothermic or an exothermic reaction…

Q: What mass of natural gas (CH4) must burn to emit 267KJ of heat? CH4 (g) + 2 O2 (g) -------> CO2…

A: Given, The mass of natural gas (CH4) must burn to emit 267KJ of heat is: CH4 (g) + 2 O2 (g)…

Q: In an experiment, 28.0 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

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Q: The highly exothermic thermite reaction, in which aluminum reduces iron (III) oxide to elemental…

A:

Q: 3. A sample of aluminum with a mass of 53.4 g is initially at 156 ° C. What is the temperature of…

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

Q: nickel to 97.93 °C and then drops it into a cup containing 75.96 grams of water at 20.90 °C. She…

A: Given :  Mass of nickel = 69.43 gm  Initial temperature of nickel = 97.93 °C  Mass of water = 75.96…

Q: Find the heat (in J) transferred to the water, qwater, during the process NH4Cl (s) --> NH4Cl (aq).…

A: From the above data we are supposed to calculate the value of heat trasnferred in J

Q: A 44.5-g sample of copper at 99.4 °C is dropped into a beaker containing 150. g of water at 18.0 °C.…

A:

Q: 4. Calculate q when 12.0 g of water is heated from 20 °C to 100 °C (specific heat of water 4.18…

A: q = m C ∆T q = heat lost / gain m = mass of substance C = specific heat capacity ∆ T = final…

Q: Assume

A: Given: Fluid = Water m =  180 g T1 = 30 deg C T2 = 97 deg C Cp = 4.184 J/g-deg C

Q: In the laboratory a general chemistry student finds that when 5.26 g of CsClO4(s) are dissolved in…

A:

Q: A fuel was used to heat water in a calorimetry experiment. When butane was burnt, 96070.0 J of heat…

A: Ans is given below

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given data,Mass of MgCl2=0.76gMass of water=105.70gInitial temperature=24.28oCFinal…

Q: When octane, C3H18, undergoes combustion the following reaction occurs: --C8 H8 + -O2 → _CO2 +…

A: Here mass of water is 700g because as we know density of water is 1g/ml.

Q: A 150.0-g sample of a metal at 75.0°C is added to 150.0 g H20 at 15.0°C. The temperature of the…

A:

Q: A student heats 84.17 mL of water to  95.27°C using a hot plate. The heated water is added to a…

A: Since,mass = density × volume

Q: When 14.0 mL of water at 28.0 C is combined with 19.0 mL of water at 79.0 C, what is the final…

A: Given, 14.0 mL of water at 28.0 C and 19.0 mL of water at 79.0 C are mixed  specific heat of water…

Q: To determine whether a shiny gold-colored rock is actually gold, a chemistry student decides to…

A: Answer Part-B:- Mass (m) = 4.7 g Initial T1  = 25 °C = 298 K final T2 = 57 °C = 330 K From the…

Q: In an experiment, a 0.5021 g sample of heptadecanoic acid (C,H0,) is burned completely in a bomb…

A: Bomb calorimeter: It is a devices which is used for finding Heat content of reaction at fixed volume…

Q: When 40 g of a metal at 85 ◦C is added to 48 g of water at 23 ◦C, the temperature of the water rises…

A: Given: Specific heat of water = 4.18 J/g. oC Mass of metal = 40.0 g Mass of water = 48.0 g Initial…

Q: The major source of aluminum in the world is bauxite (aluminum oxide). Its thermal decomposition can…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: When a metal object is dropped into cold water, it releases 4,715 J of energy to its surroundings,…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: Since whatever heat is lost by graphite, is used by the water and calorimeter. Hence heat lost by…