A 0.825 kg block of iron, with an average specific heat of 5.60 × 102 J/kg·K, is initially at a temperature of 254.0◦C. The block of iron is placed in a calorimeter with 16.4 g of water at 12.2◦C. What is the final thermal equilibrium temperature? If the answer if 100.0◦C, how much water is still in liquid form?

A 0.825 kg block of iron, with an average specific heat of 5.60 × 102 J/kg·K, is initially at a temperature of 254.0◦C. The block of iron is placed in a calorimeter with 16.4 g of water at 12.2◦C. What is the final thermal equilibrium temperature? If the answer if 100.0◦C, how much water is still in liquid form?

Similar questions

A pond with a flat bottom has a surface area of 700 m² and a depth of 2.6 m. On a warm day, the surface water is at a temperature of 25°C, while the bottom of the pond is at 12°C. Find the rate at which energy is transferred by conduction from the surface to the bottom of the pond. 420 × Your response differs from the correct answer by more than 10%. Double check your calculations. W
0.52 mol of argon gas is admitted to an evacuated 3.00 liter (3.00 × 10-3 m3) container at 20.0°C. The gas then undergoes an isobaric process to a temperature of 260°C. What is the final volume of the gas, in liters? Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 14.0 °C. The temperature at the inside surface of the wall is 21.4 °C. The wall is 0.12 m thick and has an area of 7.7 m2. Assume that one kilowatt hour of electrical energy costs $0.10. How many hours are required for one dollar's worth of energy to be conducted through the wall? Number Units the tolerance is +/-2%
The thermal energy of 0.700 mol of a substance is increased by 0.900J. A. What is the temperature change if the system is a monatomic gas? (Hint: answer is not 103.09 K) B. What is the temperature change if the system is a diatomic gas? (Hint: answer is not 51.5 K) C. What is the temperature change if the system is a solid? (Hint: answer is not 9384.8 K)
Suppose you want to raise the temperature of a 0.18-kg piece of ice from -20.0°C to 130°C. The heat of fusion is Lf = 334 kJ/kg, and the heat of vaporization is Lv = 2256 kJ/kg. In this problem, take 1520 J/kg⋅°C as the specific heat of steam, and 2090 J/kg⋅°C as the specific heat of ice. a.) How much heat, in kilocalories, must be transferred for this to happen, including the energy needed for phase changes? b.) How much time, in seconds, is required to do this, assuming a constant 20.0 kJ/s rate of heat transfer?
6. A cylinder contains 261 L of hydrogen gas (H2) at 0.0°C and a pressure of 10.0 atm. How much energy is required to raise the temperature of this gas to 16.7°C? Universal gas constant is 8.314 J/(mol·K). For H2 ,Cv = 20.4 J/(mol·K). in kJ
A rectangular window in a home has a length of 1.5 m and a height of 0.80 m. If the window allows heat to escape from the home at a rate of 2,000 watts, how thick must the window be if the inside temperature of the home is 220 C and the outside temperature is 3.00C? (Assume that the coefficient of thermal conduction of glass is 0.80 W/mK.) a. 7.1 mm b. 124 mm c. 9.1 mm d. 8.1 mm e. 11 mm
An aluminum cup with mass 0.3 kg holds 0.35 kg of water. Both the cup and the water have a temperature of 20.°C. If a 0.75-kg piece of copper at 85.°C is added to the cup, what is the final equilibrium temperature in °C? You may assume that the cup, water, and copper are well insulated from anything else. (What can I do to solve this equation?)
21.0 g of copper pellets are removed from a 300C oven and immediately dropped into 70.0 mL of water at 17.0C in an insulated cup. copper = 385 (J/kg K) water = 4190 (J/kg K) What will the new water temperature be? Express your answer with the appropriate units.
On a multi-layered square wall, the thermal resistance of the first layer is 0.005 ° C / W, the resistance of the second layer is 0.2 ° C / W, and the third layer is 0.1 ° C / W. The overall temperature gradient in the wall is multilayered from one side. to the other side is 60 ° C. a. Determine the heat flux through the walls. = Answer watts / m2. b. If the thermal resistance of the second layer is changed to 0.3 ° C / W, what is the effect in% on heat flux, assuming the temperature gradient remains the same? = Answer Answer %.
A bolt hole in a brass plate has a diameter of1.21 cm at 19.62°C. What is the diameter of the hole when the plate is heated to193.44°C? (The coefficient of linear thermal expansion for brass is 19 × 10-6 /C°.) a. 0.0052581 b. 1.2140 c. 1.2103 d. 0.0069607
The height of the Eiffel tower is 324 m, and let's assume it's made completely of steel, which has a thermal coefficient of 1.20 × 10-5/°C. a. How much taller, in meters, does the Eiffel Tower become at the end of a day when the temperature has increased by 17.5°C?