Calculate the average atomic weight of argon

Assignment Help Chemistry

Reference no: EM13114230

3 isotopes of argon occur in nature. Ar-36, Ar-38, and Ar-40. The abundance of each are as follow: 0.34%, 0.07%, and 99.59%, Calculate the average atomic weight of argon?

Reference no: EM13114230

Questions Cloud

How do motor neurons find their proper connections : How do motor neurons find their proper connections during regrowth after injury? Name two signals(or cells) that help them find their old projections/connections.

Find value of the standard error of the sample mean : A random sample of n=9 men between 30-39 years old is asked to do as many sit ups as they can in one minute. The mean number is x=26.2 and the standard deviation is s=6. Find a 95% confidence interval for the population mean.

Annual dividends-total dividends and common stock : Calculate the amount that would be received by an investor who has owned 170 shares of preferred stock and 260 shares of common stock since 2011 if a $0.35 per share dividend on the common stock is paid at the end of 2014.

Find the momentum of a charge : find the momentum of a charge (3.2e-19) that moves perpendicular to a uniform magnetic field B of magnitude 0.20T and has radius of curvature of 4.0cm. Momentum=mv

Calculate the average atomic weight of argon : 3 isotopes of argon occur in nature. Ar-36, Ar-38, and Ar-40. The abundance of each are as follow: 0.34%, 0.07%, and 99.59%.

Find probability-random sample will complete transactions : Find the probability that a random sample of 50 customers will take between 90 and 112.5 minutes to complete all their transactions. That is, find the probability that will be between 1.8 and 2.25 minutes.

What is the energy of the second electron : an electron of energy 400eV moves at right angles to a uniform magnetic field along an arc of radius 2.0cm. A second electron moves at right angles to the field along an arc of radius 3.2cm. What is the energy of the second electron?

Computing restated cash dividends per share : For several years Orbon, Inc., has followed a policy of paying a cash dividend of $0.71 per share and having a 3% stock dividend. In the 2014 annual report, Orbon reported restated earnings per share for 2012 of $1.12.

What is the magnitude of the magnetic force : Two long parallel wires carry currents of 4.0A each in the same direction. The wires are separated by a distance of 2.0cm. What is the magnitude of the magnetic force per unit length between the wires?

User Account

All Pages