You put a can of soda at 300 K in a ice-filled cooler to cool down....
Piece #3 (1 pt): I put an ice cube in my soda. If the ice cube gains 1000 J of heat, how much heat does the soda lose? Piece #4 (1 pt): How much energy would be required to raise the temperature of 1.00 kg of water from 20°C to 45°C? Piece #5 (1 pt): How much electrical energy would I need to raise the temperature of 1.00 kg of water from 20°C to 45°C if my heater was only...
An insulated Thermos contains 135 g of water at 86.5 ˚C. You put in a 7.06 g ice cube at 0.00 ˚C to form a system of ice + original water. The specific heat of liquid water is 4190 J/kg•K; and the heat of fusion of water is 333 kJ/kg. What is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
An insulated Thermos contains 143 g of water at 82.8 ˚C. You put in a 9.07 g ice cube at 0.00 ˚C to form a system of ice + original water. The specific heat of liquid water is 4190 J/kg•K; and the heat of fusion of water is 333 kJ/kg. What is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
An insulated Thermos contains 116 g of water at 89.5 ˚C. You put in a 7.91 g ice cube at 0.00 ˚C to form a system of ice + original water. The specific heat of liquid water is 4190 J/kg•K; and the heat of fusion of water is 333 kJ/kg. What is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
Need in hurry please
During a record-breaking heat spell, the air cooler unit for your oil processing facility goes down. Luckily, the processing equipment doesn't stop, but it does get hot in there. By the time the air cooler is fixed, the temperature in your facility has risen to 92°F. Air flows into the facility from the fixed cooler at a temperature of 75°F. The flowrate of air into and out of the facility is the same, 75 ft/min. Your...
A compressor works on a pressure of 105 kPa and temperature 300 K in a Brayton cycle and has an efficiency of 45%. The exhaust temperature is 700 K. Find the pressure ratio and the specific heat addition by the combustion for this cycle. The inlet pressure of an air compressor is 100 kPa, with temperature 290 K, and brings it to 600 kPa, after which the air is cooled in an intercooler to 330K by heat transfer to the...
You add 100.0 g of water at 51.0 °C to 100.0 g of ice at 0.00 °C. Some of the ice melts and cools the water to 0.00 °C. When the ice and water mixture reaches thermal equilibrium at 0 °C, how much ice has melted? (The specific heat capacity of liquid water is 4.184 J/g · K. The enthalpy of fusion of ice at 0 °C is 333 J/g.) Mass of ice = References Use the References to access...
Please solve all parts, showing work. Included is an equation
sheet for reference.
Some numbers you should get (please still solve all parts) are
b) 81.2 mol c) 1.013 Mpa d) 1554 K e) Wcyc= 1595 J f) deltaEint12=
4559 J g) Q31= -2964 J i) deltaS13= 3.888 J/K
Thank you in advance!
1) (60 points) A heat engine uses air (diatomic as the working muid in a three-step cycle. First, a volume of 2 L (2 x 10-3 m3)...
Please Show alll work. 1.A person’s blood pressure is 120/70 (measured in mmHg). What must the height of an IV bag be so that blood is not pushed into the IV line by the blood pressure? 2. A graduate student doing an experiment puts 0.150 moles of helium into a cylinder with a moveable piston. The helium is at a pressure of 1.0 atm and a temperature of 30 °C at the beginning of the experiment. They then compress the...
can you please show me the detailed steps for solving
each of the problems
thanks
4) Calculate the molar solubility of a barium fluoride solution that contains 6.5 x 10 M barium nitrate. 5) Calcium nitrate is slowly added to a solution that contains 0.10 M PO ions and 0.10 M OH ions. a) Which ion will precipitate first? Kp of Ca (PO4)2 1.2 x 10 25, Kp of Ca(OH), 4.68 x 10 b) When the second precipitate starts to...