How many moles of helium are in the tank
A 20.0 L tank contains 0.225 kg of helium at 18.0 C. The molar mass of helium is 4.00 g/mol. (a) How many moles of helium are in the tank? (b)What is the pressure in the tank, in Pascals and in atmospheres? Take the Helium as an ideal gas.
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What is the difference in path lengths from each of the slits to the location of the center of a third-order bright fringe on the screen?
Design a pseudocode program that prompts the user to enter the names of two primary colors to mix. If the user enters anything other than "red", "blue", or "yellow", the program should display an error message. Otherwise, the program should display t
Review the Tips for Students on p. 6 in the Online Learning Team Handbook. How can you apply these tips to the Learning Team Charter assignment due at the end of the week? How does a charter help you manage the team process?
Input names of students from the user, terminated by ZZZ, and create a data file GRADES with records of the form:
By how much would the temperature of the air rise over a period of 2.0 h due to the metabolism of the people (70W/person )? Assume the room is initially at 293 K .
Explain why some countries see terrorism as having appealing attributes as an instrument of war.
How do you write a method named computeSurfaceArea() that calculates and returns the surface area of the square based on the height and width fields.
The amount of heat that an engine rejects to the cold reservoir is 4 times the amount of work that it does. What is the efficiency of the engine?
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