How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about 6 oz) of coffee at 95 °C so that the resulting combination will have a temperature of 60°C? Assume that coffee and water have the same density and the same specific heat capacity (4.184 J/g.°C)

Q: When 10.0 g KOH is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature rises…

A: Coffee-Cup calorimeter is a device which is used to measure the enthalpy of chemical process at…

Q: How much energy is gained by copper when 48.7 g of copper is warmed from 10.2 °C to 67.0 °C? The…

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Q: Burning 1.22 g of a fuel causes the water in a calorimeter to increase by 12.7°C. If the calorimeter…

A: Given, Mass of fuel = 1.22 g∆T = 12.7°CHeat capacity of calorimeter , Cc = 3.09 kJ/°cSpecific heat…

Q: 75.0 mL of 1.80 M CuSO 4 solution is mixed with 150 mL of 1.80 M NaOH solution in a coffee cup…

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Q: A 43.9 g spoon made of pure silver (cs = 0.235 J/g o C) at 20.1 o C is used to stir an 8 oz. (240 g)…

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Q: If the same amount of heat were added to individual 1.0 g sample of water, methanol, and aluminum,…

A: NOTE: It will be the greatest temperature change in the question and not the energy change because…

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: A piece of silver with a mass 418 g has a heat capacity of 99.1 J/°C. What is the specific heat of…

A: Given, heat capcity 'c' of silver = 90.1 J/oC , mass of silver = 418 g, specific heat = ?

Q: A 25.0g sample of water at 125.0°C was placed in an insulated cup. Then 25.3g of iron at 23.5°C was…

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Q: A sample of gold absorbs 34.8 kJ of heat, resulting in a temperature rise of 65.0°C, determine the…

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Q: calculate the enthalpy of dissolution of CsCl(s) in kJ/mol.

A: change in enthalpy as a substance is dissolved in solution is known as a enthalpy of dissolution. it…

Q: A 4.42-g sample of Colorado oil shale is completely burned in a bomb calorimeter, which causes the…

A: A particular amount of the sample is burned in the calorie meter and heat of combustion is…

Q: When 30 mL of 1.0 M HCl was mixed with 50 mL of 1.0 M NaOH in a coffee cup calorimeter, the…

A: Recall the following relation to calculate amount of heat(Q) gained by water…

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: reaction

A: Dear student this question is related to enthalpy change.

Q: A 47.0-g sample of copper at 99.8 °C is dropped into a beaker containing 147 g of water at 18.6 °C.…

A: Given: Mass of copper sample                       = 47.0 g Initial temperature of copper sample =…

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

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Q: A 625 g chunk of iron is removed from an oven and plunged into 525 g of water in an insulated…

A: The heat lost by iron = heat gained by water heat gained by water (q) = m x S x ΔT…

Q: The energy content of raisin bread is 13.1 kJ/g. Calculate the temperature increase when a slice of…

A: Given data:

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

A: Given: Mass of BaCl2        = 12.87 g Mass of water        = 101.30 g Final temperature  = 27.07 oC…

Q: Part D A1.6 kg block of iron at 28 °C is rapidly heated by a torch such that 18 kJ is transferred to…

A: Given that,  Weight of Iron block m = 1.6 Kg Initial temperature of iron block Ti, i = 28°C Final…

Q: How many milliliters of water at 3.16°C with a density of 1.00 g/mL must be mixed with 180 mL (about…

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Q: 151.0-g sample of a metal at 75.0°C is added to 151.0 g H20  at 14.2°C. The temperature of the water…

A: Solution:     Specific heat is defined as the amount of heat required to raise the temperature of a…

Q: A piece of metal weighing 57.3 g is heated to a temperature of 88.0°C and is then immersed in 155 g…

A: Since, heat energy = m.s.∆T        where m = mass                 s   = specific heat capacity…

Q: Assume that it is possible to heat water with perfect insulation (all the heat from combustion of…

A: 1) E=m*C*∆T where is C specific heat capacity in J/g⋅∘C.   = 200*4.185*10   =8370 J 2) Calculate the…

Q: A piece of solid substance weighs 2.0g, and requires 100J to increase its temperature from 25.0…

A: Given: Mass of substance= 2.0 g T1= 25 C T2= 30.0 C Heat, q= 100 J

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: When 30 mL of 1.0M HCl was mixed with 50 mL of 1.0 M NaOH in a coffee cup calorimeter, the…

A: Given : Concentration of NaOH = 1.0 M Concentration of HCl = 1.0 M Volume of NaOH solution = 50 mL =…

Q: A 149.8-g sample of a metal at 74.3°C is added to 149.8 g H2O at 15.1°C. The temperature of the…

A: Given: Specific heat of water = 4.18 J/g. oC Mass of metal = 149.8 g Mass of water = 149.8 g.…

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

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Q: How many milliliters of water at 31 °C with a density of 1.00 g/mL must be mixed with 95.0 mL (about…

A: Given: Initial temperature of water=31 degree celciusdensity =1.00g/mlvolume of coffee(m2)=95…

Q: Which of the following processes always results in an increase in the energy of a system? The system…

A: The energy of the system depends on the heat gained or lost and work done on or by the system.

Q: In an experiment, 30.0 g of metal is heated to 98.0°C and then quickly transferred to 50.0 g of…

A: The weight of metal is 30.0 g. The initial temperature of metal is 98.0˚C.   The weight of water is…

Q: A 4.1-g sample of Colorado oil shale is burned in a bomb calorimeter, which causes the temperature…

A:

Q: How many joules does it take to elevate the temperature of 10 g of water from 26C to 50 C? The heat…

A: We have given that  How many joules does it take to elevate the temperature of 10 g of water from…

Q: When 10.0 g KOH is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature rises…

A:

Q: For the following processes, calculate the change in internal energy of the system and determine…

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

A: The heat lost by the coffee cup is gained by silver spoon.This relationship can be written as shown…

Q: What will the final temperature be if a 5.00-g silver ring at 37.0℃ gives off 25.0 J of heat to its…

A:

Q: Nitrogen monoxide, a gas recently found to be involved in a wide range of biological processes,…

A: Exothermic reaction: When heat is evolved by the system i.e. the value of ∆H°rxn is negative.…

Q: 2. An 88.5 gram piece of iron initially at 78.8°C is place in a beaker containing 244 grams of water…

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Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The net heat absorbed by water will be equal to the heat released by coffee. Determination of heat…

Q: A sheet of gold weighing 10 g and at a temperature of 18.0°C is placed flat on a sheet of iron…

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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: 75.0 mL of 1.80 M CUSO 4 solution is mixed with 150 mL of 1.80 M NAOH solution in a coffee cup…

A: 75.0 mL of 1.80 M CuSO 4 solution is mixed with 150 mL of 1.80 M NaOH solution in a coffee cup…

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

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Q: 18. Two different metals, lead and copper, are heated to 100°C and each is immersed into a separate…

A: The principle behind the calorimeter is the heat released by the metal is received by the water. The…