Someone left the refrigerator door open! Will the temperature of the room decrease as a result? List as many reasons as you can think of for both the yes and no answers.
Q: Efficiency of the European car in MPG = Which is more efficient? E A (circle the…
A: Given data: The gas taken by European car is: 7.2 L We know that, 1 MPG = 0.425 km/L The calculation…
Q: Water flows into a bathtub. The bathtub fills up in 2 minutes if you only turn on the cold water…
A:
Q: ▾ Part D What is the reading of a pressure gauge attached to the tank? Express your answer with the…
A: Given Data: The diameter of the cylinder is 25 cmso, the radius (r) is Length of the cylinder…
Q: Firewood is a traditional biomass energy source. To heat a 1500 sq.ft. house in Canada we need about…
A: Energy density of firewood=4.5 kWh/kg But efficiency of it=60% So energy produced by 1kg of firewood…
Q: hot chocolate is initially 170◦ F and is left in a room with an ambient temperature of 70◦ F.…
A: We know that Newton’s law of cooling is given as dTdt= kTt-Ts --- - Tt = temperature of the body…
Q: A painter drops a 3.09 kg can from a height of 10.0 m. What is K (in Joules) at a height of 2.84 m?
A:
Q: Steam enters a turbine stage with an enthalpy of 3628 kJ/kg at 70 m/s and leaves at the same stage…
A:
Q: Let’s assume dry air behaves like an ideal gas and has a molar mass of 28.8 g/mol. a) What is the…
A:
Q: A typical timber wolf has a mass of 40 kg, a typical jackrabbit a mass of 2.5 kg. Given the scaling…
A:
Q: An unknown metal is heated and placed in a beaker of room temperature water. After a few seconds,…
A: Given data: Initial temperature (T0) = 20.0°C Final temperature (T) = 55.0°C Energy absorbed by the…
Q: A pronghorn, the fastest North American animal, is capable of running at 18 m/s (40 mph) for 10…
A: A pronghorn's temperature rise during the run ,
Q: 6. Calculate the work done by gravity acting on a mass of 1000 kg, causing the mass to move through…
A: Given data- Mass(M)=1000 kg Distance moved by mass is d=1000 m along 450 to direction of…
Q: On the Kelvin scale, absolute zero is the temperature 0 K. Although temperatures very close to 0 K…
A: (A) Absolute zero is unattainable till now. It require high (can say infinite) amount of energy to…
Q: 38.6 g of nitrogen (a real gas that acts like an ideal gas) is allowed to expand reversibly and…
A: Given: 38.6g of nitrogen expand reversibly and isothermally. Temperature of expansion =425K volume…
Q: 1. Explain how the Zeroth law of thermodynamics in the figure A and B.
A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…
Q: We turn on a heater that delivers 150 watts (150 J/s) to 1.7 kg of water in a lab experiment.…
A:
Q: One ounce of a well-known breakfast cereal contains 99 Calories (1 food Calorie = 4186 J). If 2.4%…
A: In this case, 2.4 % of the potential energy converted. U=2.4%Q=0.024 Q The expression for the…
Q: 2. Compare the solution with the general solution of the wave equation on [0, a] × [0, b], with same…
A: (2) Given: The coordinates of the rectangle are 0,a×0,b. The diffusion equation is ut=v2∆u.…
Q: During the isobaric transformation of gas, the temperature decreased 4 times. What is the ratio of…
A:
Q: 3. a) Calculate the work done by an ideal gas undergoing an isobaric process. The pressure of the…
A: (a) Given: The pressure of the gas is 4.8×105 Pa. The initial volume of the gas is 2 m3. The final…
Q: An ice cube has a mass of 66 g and is initially at a temperature of 0°C . The ice cube is heated…
A: mass of ice = 66 g initial temperature = 0 degree C Final temperature = 100 degree C mass of boiling…
Q: Describe the first and second laws of thermodynamics. Give an example of each. How does your…
A: The first law states that energy cannot be created nor be destroyed in an isolated system. This law…
Q: The cat is fat. The cat’s fur and the cat’s fat provide the same amount of insulation. How much…
A: Given tha The thickness of the fur is ∆x1=1cm We know that The thermal resistance is given by Rθ…
Q: Q.3 A. a company uses a steam at a rate of 300000 lb/hr by burning gas as a fuel which costs $5/10…
A: Solution:- Energy saving by using waste as fuel =40000×1000×32600…
Q: A hot water bottle is filled with either water or vegetable oil. It is placed in the microwave until…
A: The concept used is solve this problem simply relies on the formula, Energy = mass × specific heat…
Q: You have a container that can change volumes to keep pressure fixed at 45 lb/in2. The container…
A:
Q: I ride my bike down a hill that is a distance of 31 meters, the hill has an incline of 32°. I…
A:
Q: A woman violates her diet by eating a cookie that contains 100 Calories. If she expends 0.065…
A:
Q: With respect to orderly and disorderly states, what do natural systems tend to do? Can a disorderly…
A: When the cup is in the waiter's hand, it had some order in it, the whole cup, and the tea in it and…
Q: Q1.2. For each of the statements below, state if it is true (T) or false (F): 1) The second law of…
A:
Q: 1. If 528 kJ of heat are added to 2.25 kg of helium at constant volume process when the initial…
A:
Q: Two neighbors, Mr. Jones and Mr. Rogers, each have identical size, same amount of water, etc.). One…
A:
Q: One liter of gasoline at pump costs $1.2. One US gallon of E85 (85% ethanol + 15% gasoline by…
A:
Q: You propose a new random temperature scale that is in accord to the boiling and melting point of an…
A: This problem can be solved assuming the linear relationship between Celsius scale and new…
Q: For most automobiles, the number of miles per gallon decreases as highway speed increases. Fuel…
A: Kinetic energy can be expressed as
Q: 3. What is the average translational KE of Nitrogen molecules at 1600 K?
A: Given: Temperature (T)= 1600 K To find: Translational kinetic energy can be denoted as,
Q: A bit of computer memory is some physical object that can be in two different states, often…
A: To determine: The amount of heat is liberated along with if the entropy is dumped into an…
Someone left the refrigerator door open! Will the temperature of the room decrease as a
result? List as many reasons as you can think of for both the yes and no answers. (Talk to each
other in the chat section if you need more ideas.)
Step by step
Solved in 3 steps