A student conducted several calorimetry investigations. In the first of the investigations, the student heats a 21.0 g price of metal that is know to have a specific heat capacity of 0.449 J/g°C to a temperature of 80°C. Then a piece of metal is added to the beaker of water (70.0 grams at 20.00°C). The specific heat capacity of water is 4.187 J/g°C. Describe on a particulate level what happens to the water molecules as the piece of metal is added. Explain why this happens

Q: If 50.0 g of water at 25.0 °C absorbs 14.5 kJ of heat, what is the final temperature of the water?…

A: Given  q = 14.5 kJ = 14500 J C = 4.184 J/g.°C Ti = 25°C Tf = ?

Q: Which of the following (with specific heat capacity provided) would show the smallest temperature…

A:

Q: A 25.0 mL sample of benzene at 19.9 0 C was cooled to its melting point, 5.5 0 C, and then frozen.…

A: Since the heat involved in the process of cooling and freezing a solution is given by  Cooling =>…

Q: 5. Solid ammonium chloride is added to water in a beaker and dissolves. The beaker becomes cold to…

A: a) The system consists of beaker/container containing solid ammonium chloride dissolved in the…

Q: Consider the following thermochemical equation for the combustion of acetone, C3H6OC3H6O, the main…

A: The given reaction, C3H6O(l) + 4O2(g)→3CO2(g) + 3H2O(g) Volume of acetone = 183 mL Density of…

Q: A 20.8 g piece of metal has a specific heat of 0.52 J/g°C. It was heated to 9.5°C then placed inside…

A: Formula used :  -q(lost) = q(gained) If no heat is lost to the surrounding.

Q: 3. When a 58.8 g piece of hot alloy is placed in 125 g of cold water (C = 4.184 J/g-°C) in a…

A: Given data,  Mass of hot alloy(ma) = 58.8 g  Mass of cold water (mw) = 125 g  The temperature change…

Q: solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can…

A: The heat of a system remains…

Q: A 55.0 g piece of metal is heated in boiling water to 99.8 0 C and then dropped into cool water in…

A:

Q: The specific heat for iron is 0.444 J/g Celsius . What is the final temperature of a 41.4 g sample…

A:

Q: specific heat for iron is 0.444 J/g oC. What is the final temperature of a 41.4 g sample of iron at…

A: Heat added = mCp∆T m is mass of sample  Cp is specific heat  ∆T change in temperature

Q: A 47.0-g sample of copper at 99.9 °C is dropped into a beaker containing 157 g of water at 19.0 °C.…

A: Heat gained or lost by any substance is calculated as: q = m.C.∆T where m is the mass of the…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 202. kJ during a…

A:

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: A student wishes to determine the specific heat capacity of a certain material. After she places…

A: We have to calculate the specific heat capacity of material.

Q: A copper rod with a mass of 21.0 g cools from 95.0oC to 45.0oC when placed in a water bath. If the…

A: The following equation relates that the quantities between heat and specific heat capcacity: q=mCΔT…

Q: If 46.1 g of copper at 11.6 °C is placed in 85.0 g of water at 72.4 °C, what is the final…

A:

Q: An engineering student wants to study the heat transfer between a 50 g of a heated block of iron…

A:

Q: Suppose you place 0.0400 g of magnesium chips in a coffee-cup calorimeter and then add 100.0 mL of…

A: The heat of a substance is given as :

Q: 1. How much heat must be added to a 38-g sample of aluminum to increase its temperature by 250.0°C?…

A:

Q: A 1.55-g sample of methanol (CH3OH, molar mass = 32.04 g/mol) is burnt in a calorimeter containing…

A:

Q: How much would the temperature of a 61.9 gram sample of grain alcohol increase if it absorbs 305…

A: Given the mass of alcohol is 6.19 grams heat energy Q=305 Joules Suppose the alcohol is ethanol ( As…

Q: 1. The temperature of the cooling water as it leaves the hot engine of an automobile is 240 °F.…

A: The amount which is transferred by a given system can be calculated using the following mathematical…

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

A:

Q: What can the chemist report for the specific heat capacity of the substance?

A:

Q: Zinc is primarily used to galvanize steel, a process that protects the metal against unwanted…

A: The heat required for a substance 'q' to alter the temperature ∆T is given by the equation, q=m×C×∆T…

Q: Calculate the average of the following specific heat determinations: 0.25 J/g °C 0.27 J/g °C 0.28…

A: The average value  of a set of numbers is simply the sum of the numbers divided by the total number…

Q: When 34.0 g of water at 24.0 °C are mixed with 46.0 g of water at 67.0 °C, what is the final…

A: Suppose the temperature of the final solution is X. When two such solutions are mixed where one…

Q: A 20.8 g piece of metal has a specific heat of 0.52 J/g°C. It was heated to 99.5°C then placed…

A:

Q: A 500-mL bottle of water and a 2-L bottle of water were both at room temperature. Then they were…

A: Heat gained or lost,  Q = mCPΔTFrom the above equation it is clear that the heat lost or gained…

Q: )How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a 45g silver…

A: Specific heat capacity is defined as the amount of heat required to raise the temperature of 1…

Q: 9. What would be the final temperature if 8.94 x 103 joules of heat were added to 454 grams of…

A:

Q: 79.8 grams of a metal that is at temperature 92.39 oC is placed in 186.3 mL of water at 19.79 oC.…

A: Here use thermal equilibrium concept. Here final temperature is 24.68 degree celcius, So metal…

Q: 61. Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient…

A:

Q: Commercial cold packs consist of solid ammonium nitrate and water. NH4NO3 absorbs 25.69 kJ of heat…

A: Given that: Mass of ammonium nitrate = 3.40 gMass of water = 100 gInitial temperature of solution =…

Q: In the construction of bridges and skyscrapers, gaps must be left between adjoining steel beams to…

A:

Q: Tin is widely used for plating steel cans used as food containers, in metals used for bearings, and…

A: Specific heat of a material is the amount of energy we must provide to increase it temperature by 1…

Q: Part A The specific heat capacity of sold copper metal is 0.385 JigK. How many joules of heat are…

A: Given, specific Heat of solid copper metal  = 0.385 J/gK Mass of block = 1.55 Kg = 1550 g  Initial…

Q: The heat of the solution of ammonium nitrate is 26.2 kJ/mol. If a 5.368 g sample of NH₄NO₃ is added…

A: Heat of the solution of ammonium nitrate = 26.2 kJ/mol Mass of ammonium nitrate = 5.368 g Volume of…

Q: If a 42.0g piece of steel at 75.0 degrees C is placed in 150.0 g of water at 25.5 degrees C, what is…

A:

Q: A 1.55-g sample of methanol (CH3OH, molar mass = 32.04 g/mol) is burnt in a calorimeter containing…

A:

Q: A piece of solid substance weights 4.0 g, and requires 150 J to increase its temperature from 30.0…

A: The certain heat energy amount that is applicable in the enhancement of substance's temperature per…

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: A piece of metal with a specific heat of 1.011 J/gºC is heated to 123.1ºC and then placed in 111.031…

A: Use calorimetry principle to get answer. Heat flow from high temperature to low temperature. Metal…

Q: 12.0 °C. 5. A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a…

A: Q = mCp∆T Where, Q = heat gained or lost m= mass of substance Cp = Specific heat capacity ∆T= Final…

Q: gas expands and does work on the surroundings equal to 6.14 L atm. At the same time, it releases 97…

A:

Q: The density of aluminum is 2.7 g/cm3 and its specific heat is 0.9 J/g.0. A piece of 9.7 cm3 aluminum…

A: Recall the following relation according to law of calorimetry          Q=mC×∆tHere Q is amount of…

Q: A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc metal at…

A: Given, A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc…

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

A:

Q: Which of the following (with specific heat capacity provided) would show the smallest temperature…

A: