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What is the average kinetic energy of nitrogen molecule at 20°C

There is gas in a gas container. A valve on the container will be opened and a quarter of the gas quantity will be released to the outer range. Due to this process the temperature of the gas will be decreased by 20%. What is the decrease of the gas pressu...

8.31 Wh (watthours) heat is transmitted to 1 mole single atomic ideal gas. The gas temperature is 27°C and the pressure is constant during the process (slow process). What is the temperature? What is the change of the internal energy of the gas? What is t...

what is the otto cycle of petrol engine

If a certain number is increased by 5, one - half of the result is three - fifths of the excess of 61 over the number. Find the number

An ideal gas is sealed within a container at a temperature of 17°C and a pressure of 101 kPa. The container is heated until the temperature of the gas reaches100°C. A valve in the container is then opened to allow gas to escape until the pressure falls ba...

What is saponification (soap making) ?

Before 5 years a man was 3 years timeshis boy but after 10 years the father's ge will be 6 more than 2 times his boy Didn't get the question

Before 5 years a man was 3 years times his boy but after 10 years the father's age will be 6 more than 2 times his boy

Before 5 years a man was 3 years times his boy but after 10 years the father's age will be 6 more than 2 times his boy. Find the age of the father. And the age of the son.

Formulate a general method for finding the distance between two skew (i.e., non intersecting) line in space. (Hint: the shortest line segment joining the two skew lines will be perpendicular to both of them).

What about the answer? I didn't understand any thing

M<6+7