To determine the specific heat of a new metal alloy, a 0.200-kg sample of the alloy is heated to 350°C and then placed in a 0.350-kg aluminum calorimeter cup containing 0.500 kg of water at 15.0°C. If the equilibrium temperature of the system is 32.8°C, what is the specific heat of the alloy? Express your answer in cal/g•C°. Note that, because you are given no information about the thermal properties of the thermometer and stirrer, their presence may be ignored.

To determine the specific heat of a new metal alloy, a 0.200-kg sample of the alloy is heated to 350°C and then placed in a 0.350-kg aluminum calorimeter cup containing 0.500 kg of water at 15.0°C. If the equilibrium temperature of the system is 32.8°C, what is the specific heat of the alloy? Express your answer in cal/g•C°. Note that, because you are given no information about the thermal properties of the thermometer and stirrer, their presence may be ignored.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

An aluminum cup with mass 0.34 kg holds 0.36 kg of water. Both the cup and the water have a temperature of 12.°C. If a 0.13-kg piece of copper at 62.°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.
An aluminum cup with mass 0.26 kg holds 0.30 kg of water. Both the cup and the water have a temperature of 15.°C. If a 0.55-kg piece of copper at 80.°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? What equations can I use?)
In a physics lab, students are conducting an experiment to learn about the heat capacity of different materials. The first group is instructed to add a number of 1.50 g pellets made of lead, at a temperature of 92.0°C, to 305 g of water at 16.0°C. A second group is given the same number of 1.50 g pellets as the first group, but these are now aluminum pellets. Assume that no heat is lost to or gained from the surroundings for either group. (a) If the final equilibrium temperature of the lead pellets and water is 25.0°C, how many whole pellets did the first group use in the experiment? The specific heat of lead is 0.0305 kcal/(kg · °C). pellets (b) Will the final equilibrium temperature for the second group be higher, lower, or the same as for the first group? The specific heat of aluminum is 0.215 kcal/(kg · °C). O higher O lower O the same (c) What is the equilibrium temperature of the aluminum and water mixture for the second group? °C
If you have 0.251 m³ of water at 25.0 °C in an insulated container and add 0.112 m³ of water at 95.0 °C, what is the final temperature T; of the mixture? Use 1000 kg/m³ as the density of water at any temperature. °C Tf =
Your answer is partially correct. An insulated Thermos contains 190 cm3³ of hot coffee at 80.0°C. You put in a 12.0g ice cube at its melting point to cool the coffee. By how many degrees has your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though it were pure water and neglect energy exchanges with the environment. The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.00 g/cm³. Number 9.5 Units
A combination of 0.38 kg of water at 22.64°C, 0.54 kg of aluminum at 29.16°C, and 0.14 kg of lead at 100°C is mixed in an insulated container and allowed to come to thermal equilibrium. Ignore any energy transfer to or from the container. Calculate the final temperature in °C of the mixture. CWater) = 4186 J/kg.K (Aluminium) = 900 J/kg.K %3D Clead) = 128 J/kg.K Note: Answer will be up to two decimal places
A silver block, initially at 56.9 ∘C∘C, is submerged into 100.0 gg of water at 24.1 ∘C∘C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.4 ∘C∘C. What is the mass of the silver block? Express your answer to two significant figures and include the appropriate units.
Objects A and B in the figure are made from copper, but the mass of object B is three times that of object A. Object C is made from glass and has the same mass as object B. The same amount of heat Q is supplied to each one: Q = 13.4 J. Determine the rise in temperature of (a) block A, (b) block B, and (c) block C. Assume specific heat capacities c = 387 J/(kg-C°) for copper and c₂ = 840 J/(kg-Co) for glass. Copper B Glass C A mA =1.60g mB 4.80g mc4.80g
A 83.78 gram copper metal is heated to 132°C and dropped into 125.76 gram of water at an initial temperature of Ty. When equilibrium is reached the temperature of copper-water mixture is 25°C. Calculate the initial temperature of water? If the specific heat of copper is 385 J/kg°C and Specific heat of water is 4186 J/kg°C. Initial temperature of water in (°C) =
A wall made of stainless steel divides a room in a food factory in half. This wall is 100 mm thick and has an area of 70.59 m². On one side of the room, the temperature is maintained at 100 °C, whilst the other side is maintained at 75 °C. Assuming that the conditions are steady-state, if heat moves across this wall at 300 kW, what is the thermal conductivity of the stainless steel wall? W/(m. K)
A thermos contains 160 cm3 of coffee at 93.2 °C. To cool the coffee, you drop two 10.5-g ice cubes into the thermos. The ice cubes are initially at 0 °C and melt completely. What is the final temperature of the coffee in degrees Celsius? Treat the coffee as if it were water.