Answered: A Styrofoam cup holding 118 g of hot… | bartleby

Related questions

Question

A Styrofoam cup holding 118 g of hot water at 1.00 x 10-°C cools to room temperature, 21.0°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change in temperature of the room. The specific heat of water is 4,186 J/(kg · °C).)
J/K

Expert Solution

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

9:EAI OEO"llzain IQ نقطنان )2( Initially 5 mol of an ideal gas, with CV,m = 12.5 J K-1 mol-1, are at a volume of 5 dm3 and a temperature of 300 K. If the gas is heated to 373 K and the volume changed to 10 dm3, what is the entropy change 42.4 J.mol-1.K-1 24.4 J.K-1 O 24.4 J.mol-1.K-1 42.4 J.K-1 (O öslg äbäi Predict which of the following substances has the highest entropy value at 25°C Mgo (s) O Снзон (1) со (д) CaCO3 H20 (I)
When 1.60×105 J of heat transfer occurs into a meat pie initially at 21.5 °C, its entropy increases by 483 J/K.. Estimate the final temperature of the pie.
A heat engine that operates between two heat reservoirs at 900 ° C and 0 ° C, respectively, it has an efficiency of 35% and receives 21 kJ. If the tank temperature low is the environment, determine its entropy variation. a) -50 J / K b) 296.7 J / K c) 50 J / K d) ∞
A 1 500-kg car is moving at 20.0 m/s. The driver brakes to a stop. The brakes cool off to the temperature of the surrounding air, which is nearly constant at 20.0°C. What is the total entropy change?
A 0.50-kg piece of aluminum at 250 °C is dropped into 1.0 kg of water at 20 °C . After equilibrium is reached, what is the net entropy change of the system?
What is the decrease in entropy (in J/K) of 27.5 g of water that condenses on a bathroom mirror at a temperature of 32.0°C, assuming no change in temperature and given the latent heat of vaporization to be 2450 kJ/kg? J/K
A Styrofoam cup holding 142 g of hot water at 1.00 ✕ 102°C cools to room temperature, 21.0°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change in temperature of the room. The specific heat of water is 4,186 J/(kg · °C).)__________ J/K
30 grams of ice at -5 Celsius melt while being left at room temperature of 28 Celsius. After melting its temperature rises to 28 Celsius. Determine the total change of entropy of the ice. [Cice = .5 cal/g.C, Lf = 79.6 cal/gram] 1 calorie = 4.184 J Options: A. 49.97 J/K B. 34.68 J/K C. 53.11 J/K D. 38.27 J/K E. 44.22 J/K
What is the change in entropy (in J/deg) when a 235- g piece of ice melts to water at 0 degrees Celcius?