Solid A, with mass M, is at its melting point TA. It is placed in thermal contact with solid B, with heat capacity CB and initially at temperature TB (TB > TA). The combination is thermally isolated. A has latent heat of fusion L and when it has melted has heat capacity CA. If A completely melts the final temperature of both A and B is: a) (CA TA + CBTB − ML)/(CA + CB) b) (CA TA − CBTB + ML)/(CA + CB) c) (CA TA − CBTB − ML)/(CA + CB) d) (CA TA + CBTB + ML)/(CA − CB) e) (CA TA + CBTB + ML)/(CA − CB)

Question 11 After some time, you pour 0.5 kg of milk, whose initial temperature was 5°C. What will be the final equilibrium temperature of this system? Let: 1.5 kg of coffee, originally at 90°C, is placed into a .3 kg aluminum cup. J Ccoffee = 4186 kg K J CAI = 500 kg K J CMilk = 3000 kg K Question 12 A solid steel sphere of radius 50 acts as a perfect radiator, calculate the amount of heat it will radiate after 1 min. cm is heated to 3000 K. If the sphere

What is the volume of a container that holds exactly 1 mole of anideal gas at standard temperature and pressure (STP), defined asT = 0°C = 273.15 K and p = 1 atm = 1.013 * 105 Pa?

A mFe = 0.16 kg mass of iron is heated to 100∘C and then placed in a Styrofoam cup containing mw = 0.50 kg of water. Initially, the water and has a temperature of 27∘C. Find the equilibrium temperature of the system.  cw = 4186 J/kg∘C and cFe = 460 J/kg∘C.

Consider some copper beads that are initially at T, = 200 °C, with each bead having a mass of m, = 1.00 g. Consider also a bucket of water (m, = 1.00 kg) that is initially at T2 = 20.0°C. Suppose you want to raise the temperature of the bucket of water to T, i.e., by dropping N number of copper 1 beads into the water. (Note: Subscript 1 represents copper beads, subscript 2 represents water. Neglecting any energy transfer to or from the container.)

Your answer is partially correct. The temperature near the surface of the earth is 297 K. A xenon atom (atomic mass = 131.29 u) has a kinetic energy equal to the average translational kinetic energy and is moving straight up. If the atom does not collide with any other atoms or molecules, then how high up would it go before coming to rest? Assume that the acceleration due to gravity is constant during the ascent. Number 2.8e4 Units m

Following a collision between a large spacecraft and an asteroid, a copper disk of radius 28.0 m and thickness 1.20 m at a temperature of 850°C is floating in space, rotating about its symmetry axis with an angular speed of25.0 rad/s. As the disk radiates infrared light, its temperature falls to 20.0°C. No external torque acts on the disk. (a) Find the change in kinetic energy of the disk. (b) Find the change in internal energy of the disk. (c) Find theamount of energy it radiates.

Calculate the specific heat capacity at constant volume of water vapor, assuming the nonlinear triatomic molecule has three translational and three rotational degrees of freedom and that vibrational motion does not contribute. The molar mass of water is 18.0 g/mol. Express your answer in J/(kg. K). cv = 24.942 17 ΑΣΦ Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Cv = ? The actual specific heat capacity of water vapor at low pressures is about 2000 J/(kg-K). Calculate the molar heat capacity for actual water vapor. Express your answer in J/(kg. K). ΤΙ ΑΣΦ J/(kg. K) ? J/(kg.K)

A walrus transfers energy by conduction through its blubber at the rate of 150 W when immersed in −1.00 °C water. The walrus’s internal core temperature is 37.0 °C , and it has a surface area of 2.00 m2 . What is the average thickness of its blubber, which has the conductivity of fatty tissues without blood?