Determine the number of moles of helium in the balloon

Assignment Help Physics

Reference no: EM13270213

Determine the number of moles of helium in the balloon.

Determine the mass of helium needed to inflate the balloon to these values.

Reference no: EM13270213

Questions Cloud

Explain the preparation of a tris buffer : Describe the preparation of a 1.50 M, pH 8.0 tris buffer (500 mL) using tris base (MW= 121.1 g/mol) and 3.0 M HCl. pKa of tris is 8.3

Why voltage follower implemented with op-amp is useful ckt : Explain why a voltage follower implemented with an op-amp is a useful circuit component. Explain how the nature of KCL allows the connection to a single op-amp input of multiple voltage signals, each through a resistor, to perform a summing functi..

How fast is your friend approaching you : While sitting in your car by the side of a country road, you see your friend, who happens to have an identical car with an identical horn, approaching you. How fast is your friend approaching you

A compound is known to contain carbon and oxygen by mass : A compound is known to contain 51.27% carbon and 27.30% oxygen by mass. Each molecule contains two atoms of oxygen. What is the molar mass of this substance

Determine the number of moles of helium in the balloon : Determine the number of moles of helium in the balloon and Determine the mass of helium needed to inflate the balloon to these values

How many poles are in the right half of the s-plane : Use Routh- Hurwitz method to determine if the system is stable or unstable. If it is unstable how many poles are in the right half of the s-plane (s^2+2s-5)/(s^3+2s^2-8s+6)

How tall is the mirror : A 1.56m tall student stands before a vertical mirror. She can just see her whole body, from head to toe. How tall is the mirror

Compute to the correct number of significant figures : Calculate to the correct number of significant figures the grams of potassum iodide that are present in 899.46 mL of an aqueous solution which is known to contain 17.960 g of potassum iodide per 100.00 mL of solution.

What is the approximate value of gain crossover frequency : Design a Phase lag controller that will have a phse margin of about 60 degrees (you will need to be within 5 degrees for your design) A. Where are the poles and zeros B. What is the approximate value of the gain crossover frequency of the plant with..

User Account

All Pages