Molecular Physics | Thermodynamics Answers

As a gasoline engine is running, an amount of gasoline containing 14,400 J of chemical potential energy is burned in 1 s. During that second, the engine does 3,600 J of work.

Suppose that one early morning when the temperature is 10 degree Celcius, a driver of an automobile gets his gasoline tank which is made of steel filled with 75 litres of gasoline which is also at 10 degree celcius. during the day the temperature rises to 30 degree celcius. How much gasoline overflows?

AN IDEAL REFRIGERATOR REMOVES HEAT AT THE RATE OF 0.10KW FROM ITS INTERIOR (+2C) AND EXHAUSTS HEAT AT 40C. HOW MUCH ELECTRICAL POWER IS USED?

If we put a 12 kg piece of Gold with a temperature of 125 degrees Celsius into a bucket of water with a mass of 8 kg and a temperature of 2 degrees Celsius. What would the final temperature be? *

situation: storage of different substances at home needs careful attention . Alcohol, acetone, and hair sprays even gasoline should be taken care of to avoid fire . where should these substances be stored ? why do we need extra precaution in keeping them at home ? relate your answer to intermolecular forces .​

A gas expands linearly from 4.42 bar to 3.1 bar behind a piston from a volume 0.12 m³ to 0.3 m³. What is the work done during the process? Give your answer in kJ with 3 significant digits.

A weight of 100N is hung into two ropes. The first rope projects 35 degrees left from the vertical, while the second rope projects horizontally on the right. Find the tension in each of the ropes.

A skydriver jumps out of an aircraft, which is 6000m above the ground at what time on the graph did the sky diver opens her parachute

What is the length of the same rail road track on the cold winter day when the temperature is 0 degree Celsius

2. 20 g of ice at 0°C is placed into an empty 500 g glass bottle. What should the minimum temperature of the bottle be in order for all the ice to melt? (5 points) (Calass = 840 J/kg.°C, Lv.ice = 333 kJ/kg)